Jason Sams | 044e2ee | 2011-08-08 16:52:30 -0700 | [diff] [blame] | 1 | /* |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 2 | * Copyright (C) 2011-2012 The Android Open Source Project |
Jason Sams | 044e2ee | 2011-08-08 16:52:30 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /** @file rs_cl.rsh |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 18 | * \brief Basic math functions |
Jason Sams | 044e2ee | 2011-08-08 16:52:30 -0700 | [diff] [blame] | 19 | * |
| 20 | * |
| 21 | */ |
| 22 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 23 | #ifndef __RS_CL_RSH__ |
| 24 | #define __RS_CL_RSH__ |
| 25 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 26 | // Conversions |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 27 | #define CVT_FUNC_2(typeout, typein) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 28 | _RS_RUNTIME typeout##2 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 29 | convert_##typeout##2(typein##2 v); \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 30 | _RS_RUNTIME typeout##3 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 31 | convert_##typeout##3(typein##3 v); \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 32 | _RS_RUNTIME typeout##4 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 33 | convert_##typeout##4(typein##4 v); |
| 34 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 35 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 36 | #define CVT_FUNC(type) CVT_FUNC_2(type, uchar) \ |
| 37 | CVT_FUNC_2(type, char) \ |
| 38 | CVT_FUNC_2(type, ushort) \ |
| 39 | CVT_FUNC_2(type, short) \ |
| 40 | CVT_FUNC_2(type, uint) \ |
| 41 | CVT_FUNC_2(type, int) \ |
| 42 | CVT_FUNC_2(type, float) |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 43 | |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 44 | /** |
| 45 | * Convert to char. |
| 46 | * |
| 47 | * Supports 2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 48 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 49 | CVT_FUNC(char) |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 50 | |
| 51 | /** |
| 52 | * Convert to unsigned char. |
| 53 | * |
| 54 | * Supports 2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 55 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 56 | CVT_FUNC(uchar) |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 57 | |
| 58 | /** |
| 59 | * Convert to short. |
| 60 | * |
| 61 | * Supports 2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 62 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 63 | CVT_FUNC(short) |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 64 | |
| 65 | /** |
| 66 | * Convert to unsigned short. |
| 67 | * |
| 68 | * Supports 2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 69 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 70 | CVT_FUNC(ushort) |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 71 | |
| 72 | /** |
| 73 | * Convert to int. |
| 74 | * |
| 75 | * Supports 2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 76 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 77 | CVT_FUNC(int) |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 78 | |
| 79 | /** |
| 80 | * Convert to unsigned int. |
| 81 | * |
| 82 | * Supports 2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 83 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 84 | CVT_FUNC(uint) |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 85 | |
| 86 | /** |
| 87 | * Convert to float. |
| 88 | * |
| 89 | * Supports 2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 90 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 91 | CVT_FUNC(float) |
| 92 | |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 93 | // Float ops, 6.11.2 |
| 94 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 95 | #define FN_FUNC_FN(fnc) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 96 | _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v); \ |
| 97 | _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v); \ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 98 | _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 99 | |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 100 | #define F_FUNC_FN(fnc) \ |
| 101 | _RS_RUNTIME float __attribute__((overloadable)) fnc(float2 v); \ |
| 102 | _RS_RUNTIME float __attribute__((overloadable)) fnc(float3 v); \ |
| 103 | _RS_RUNTIME float __attribute__((overloadable)) fnc(float4 v); |
| 104 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 105 | #define IN_FUNC_FN(fnc) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 106 | _RS_RUNTIME int2 __attribute__((overloadable)) fnc(float2 v); \ |
| 107 | _RS_RUNTIME int3 __attribute__((overloadable)) fnc(float3 v); \ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 108 | _RS_RUNTIME int4 __attribute__((overloadable)) fnc(float4 v); |
Stephen Hines | 4741653 | 2011-01-11 14:38:18 -0800 | [diff] [blame] | 109 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 110 | #define FN_FUNC_FN_FN(fnc) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 111 | _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, float2 v2); \ |
| 112 | _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, float3 v2); \ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 113 | _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, float4 v2); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 114 | |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 115 | #define F_FUNC_FN_FN(fnc) \ |
| 116 | _RS_RUNTIME float __attribute__((overloadable)) fnc(float2 v1, float2 v2); \ |
| 117 | _RS_RUNTIME float __attribute__((overloadable)) fnc(float3 v1, float3 v2); \ |
| 118 | _RS_RUNTIME float __attribute__((overloadable)) fnc(float4 v1, float4 v2); |
| 119 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 120 | #define FN_FUNC_FN_F(fnc) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 121 | _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, float v2); \ |
| 122 | _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, float v2); \ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 123 | _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, float v2); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 124 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 125 | #define FN_FUNC_FN_IN(fnc) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 126 | _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int2 v2); \ |
| 127 | _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int3 v2); \ |
| 128 | _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int4 v2); \ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 129 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 130 | #define FN_FUNC_FN_I(fnc) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 131 | _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int v2); \ |
| 132 | _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int v2); \ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 133 | _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int v2); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 134 | |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 135 | #define FN_FUNC_FN_PFN(fnc) \ |
| 136 | _RS_RUNTIME float2 __attribute__((overloadable)) \ |
| 137 | fnc(float2 v1, float2 *v2); \ |
| 138 | _RS_RUNTIME float3 __attribute__((overloadable)) \ |
| 139 | fnc(float3 v1, float3 *v2); \ |
| 140 | _RS_RUNTIME float4 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 141 | fnc(float4 v1, float4 *v2); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 142 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 143 | #define FN_FUNC_FN_PIN(fnc) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 144 | _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int2 *v2); \ |
| 145 | _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int3 *v2); \ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 146 | _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int4 *v2); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 147 | |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 148 | #define FN_FUNC_FN_FN_FN(fnc) \ |
| 149 | _RS_RUNTIME float2 __attribute__((overloadable)) \ |
| 150 | fnc(float2 v1, float2 v2, float2 v3); \ |
| 151 | _RS_RUNTIME float3 __attribute__((overloadable)) \ |
| 152 | fnc(float3 v1, float3 v2, float3 v3); \ |
| 153 | _RS_RUNTIME float4 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 154 | fnc(float4 v1, float4 v2, float4 v3); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 155 | |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 156 | #define FN_FUNC_FN_FN_F(fnc) \ |
| 157 | _RS_RUNTIME float2 __attribute__((overloadable)) \ |
| 158 | fnc(float2 v1, float2 v2, float v3); \ |
| 159 | _RS_RUNTIME float3 __attribute__((overloadable)) \ |
| 160 | fnc(float3 v1, float3 v2, float v3); \ |
| 161 | _RS_RUNTIME float4 __attribute__((overloadable)) \ |
| 162 | fnc(float4 v1, float4 v2, float v3); |
| 163 | |
| 164 | #define FN_FUNC_FN_F_F(fnc) \ |
| 165 | _RS_RUNTIME float2 __attribute__((overloadable)) \ |
| 166 | fnc(float2 v1, float v2, float v3); \ |
| 167 | _RS_RUNTIME float3 __attribute__((overloadable)) \ |
| 168 | fnc(float3 v1, float v2, float v3); \ |
| 169 | _RS_RUNTIME float4 __attribute__((overloadable)) \ |
| 170 | fnc(float4 v1, float v2, float v3); |
| 171 | |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 172 | #define FN_FUNC_FN_FN_PIN(fnc) \ |
| 173 | _RS_RUNTIME float2 __attribute__((overloadable)) \ |
| 174 | fnc(float2 v1, float2 v2, int2 *v3); \ |
| 175 | _RS_RUNTIME float3 __attribute__((overloadable)) \ |
| 176 | fnc(float3 v1, float3 v2, int3 *v3); \ |
| 177 | _RS_RUNTIME float4 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 178 | fnc(float4 v1, float4 v2, int4 *v3); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 179 | |
| 180 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 181 | /** |
| 182 | * Return the inverse cosine. |
| 183 | * |
| 184 | * Supports float, float2, float3, float4 |
| 185 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 186 | extern float __attribute__((overloadable)) acos(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 187 | FN_FUNC_FN(acos) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 188 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 189 | /** |
| 190 | * Return the inverse hyperbolic cosine. |
| 191 | * |
| 192 | * Supports float, float2, float3, float4 |
| 193 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 194 | extern float __attribute__((overloadable)) acosh(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 195 | FN_FUNC_FN(acosh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 196 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 197 | /** |
| 198 | * Return the inverse cosine divided by PI. |
| 199 | * |
| 200 | * Supports float, float2, float3, float4 |
| 201 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 202 | _RS_RUNTIME float __attribute__((overloadable)) acospi(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 203 | FN_FUNC_FN(acospi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 204 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 205 | /** |
| 206 | * Return the inverse sine. |
| 207 | * |
| 208 | * Supports float, float2, float3, float4 |
| 209 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 210 | extern float __attribute__((overloadable)) asin(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 211 | FN_FUNC_FN(asin) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 212 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 213 | /** |
| 214 | * Return the inverse hyperbolic sine. |
| 215 | * |
| 216 | * Supports float, float2, float3, float4 |
| 217 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 218 | extern float __attribute__((overloadable)) asinh(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 219 | FN_FUNC_FN(asinh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 220 | |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 221 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 222 | /** |
| 223 | * Return the inverse sine divided by PI. |
| 224 | * |
| 225 | * Supports float, float2, float3, float4 |
| 226 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 227 | _RS_RUNTIME float __attribute__((overloadable)) asinpi(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 228 | FN_FUNC_FN(asinpi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 229 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 230 | /** |
| 231 | * Return the inverse tangent. |
| 232 | * |
| 233 | * Supports float, float2, float3, float4 |
| 234 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 235 | extern float __attribute__((overloadable)) atan(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 236 | FN_FUNC_FN(atan) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 237 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 238 | /** |
| 239 | * Return the inverse tangent of y / x. |
| 240 | * |
| 241 | * Supports float, float2, float3, float4. Both arguments must be of the same |
| 242 | * type. |
| 243 | * |
| 244 | * @param y |
| 245 | * @param x |
| 246 | */ |
| 247 | extern float __attribute__((overloadable)) atan2(float y, float x); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 248 | FN_FUNC_FN_FN(atan2) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 249 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 250 | /** |
| 251 | * Return the inverse hyperbolic tangent. |
| 252 | * |
| 253 | * Supports float, float2, float3, float4 |
| 254 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 255 | extern float __attribute__((overloadable)) atanh(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 256 | FN_FUNC_FN(atanh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 257 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 258 | /** |
| 259 | * Return the inverse tangent divided by PI. |
| 260 | * |
| 261 | * Supports float, float2, float3, float4 |
| 262 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 263 | _RS_RUNTIME float __attribute__((overloadable)) atanpi(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 264 | FN_FUNC_FN(atanpi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 265 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 266 | /** |
| 267 | * Return the inverse tangent of y / x, divided by PI. |
| 268 | * |
| 269 | * Supports float, float2, float3, float4. Both arguments must be of the same |
| 270 | * type. |
| 271 | * |
| 272 | * @param y |
| 273 | * @param x |
| 274 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 275 | _RS_RUNTIME float __attribute__((overloadable)) atan2pi(float y, float x); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 276 | FN_FUNC_FN_FN(atan2pi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 277 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 278 | |
| 279 | /** |
| 280 | * Return the cube root. |
| 281 | * |
| 282 | * Supports float, float2, float3, float4. |
| 283 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 284 | extern float __attribute__((overloadable)) cbrt(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 285 | FN_FUNC_FN(cbrt) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 286 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 287 | /** |
| 288 | * Return the smallest integer not less than a value. |
| 289 | * |
| 290 | * Supports float, float2, float3, float4. |
| 291 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 292 | extern float __attribute__((overloadable)) ceil(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 293 | FN_FUNC_FN(ceil) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 294 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 295 | /** |
| 296 | * Copy the sign bit from y to x. |
| 297 | * |
| 298 | * Supports float, float2, float3, float4. Both arguments must be of the same |
| 299 | * type. |
| 300 | * |
| 301 | * @param x |
| 302 | * @param y |
| 303 | */ |
| 304 | extern float __attribute__((overloadable)) copysign(float x, float y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 305 | FN_FUNC_FN_FN(copysign) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 306 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 307 | /** |
| 308 | * Return the cosine. |
| 309 | * |
| 310 | * Supports float, float2, float3, float4. |
| 311 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 312 | extern float __attribute__((overloadable)) cos(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 313 | FN_FUNC_FN(cos) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 314 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 315 | /** |
| 316 | * Return the hypebolic cosine. |
| 317 | * |
| 318 | * Supports float, float2, float3, float4. |
| 319 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 320 | extern float __attribute__((overloadable)) cosh(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 321 | FN_FUNC_FN(cosh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 322 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 323 | /** |
| 324 | * Return the cosine of the value * PI. |
| 325 | * |
| 326 | * Supports float, float2, float3, float4. |
| 327 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 328 | _RS_RUNTIME float __attribute__((overloadable)) cospi(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 329 | FN_FUNC_FN(cospi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 330 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 331 | /** |
| 332 | * Return the complementary error function. |
| 333 | * |
| 334 | * Supports float, float2, float3, float4. |
| 335 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 336 | extern float __attribute__((overloadable)) erfc(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 337 | FN_FUNC_FN(erfc) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 338 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 339 | /** |
| 340 | * Return the error function. |
| 341 | * |
| 342 | * Supports float, float2, float3, float4. |
| 343 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 344 | extern float __attribute__((overloadable)) erf(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 345 | FN_FUNC_FN(erf) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 346 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 347 | /** |
| 348 | * Return e ^ value. |
| 349 | * |
| 350 | * Supports float, float2, float3, float4. |
| 351 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 352 | extern float __attribute__((overloadable)) exp(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 353 | FN_FUNC_FN(exp) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 354 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 355 | /** |
| 356 | * Return 2 ^ value. |
| 357 | * |
| 358 | * Supports float, float2, float3, float4. |
| 359 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 360 | extern float __attribute__((overloadable)) exp2(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 361 | FN_FUNC_FN(exp2) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 362 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 363 | /** |
| 364 | * Return x ^ y. |
| 365 | * |
| 366 | * Supports float, float2, float3, float4. Both arguments must be of the same |
| 367 | * type. |
| 368 | */ |
| 369 | extern float __attribute__((overloadable)) pow(float x, float y); |
| 370 | FN_FUNC_FN_FN(pow) |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 371 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 372 | /** |
| 373 | * Return 10 ^ value. |
| 374 | * |
| 375 | * Supports float, float2, float3, float4. |
| 376 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 377 | _RS_RUNTIME float __attribute__((overloadable)) exp10(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 378 | FN_FUNC_FN(exp10) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 379 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 380 | /** |
| 381 | * Return (e ^ value) - 1. |
| 382 | * |
| 383 | * Supports float, float2, float3, float4. |
| 384 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 385 | extern float __attribute__((overloadable)) expm1(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 386 | FN_FUNC_FN(expm1) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 387 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 388 | /** |
| 389 | * Return the absolute value of a value. |
| 390 | * |
| 391 | * Supports float, float2, float3, float4. |
| 392 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 393 | extern float __attribute__((overloadable)) fabs(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 394 | FN_FUNC_FN(fabs) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 395 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 396 | /** |
| 397 | * Return the positive difference between two values. |
| 398 | * |
| 399 | * Supports float, float2, float3, float4. Both arguments must be of the same |
| 400 | * type. |
| 401 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 402 | extern float __attribute__((overloadable)) fdim(float, float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 403 | FN_FUNC_FN_FN(fdim) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 404 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 405 | /** |
| 406 | * Return the smallest integer not greater than a value. |
| 407 | * |
| 408 | * Supports float, float2, float3, float4. |
| 409 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 410 | extern float __attribute__((overloadable)) floor(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 411 | FN_FUNC_FN(floor) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 412 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 413 | /** |
| 414 | * Return a*b + c. |
| 415 | * |
| 416 | * Supports float, float2, float3, float4. |
| 417 | */ |
| 418 | extern float __attribute__((overloadable)) fma(float a, float b, float c); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 419 | FN_FUNC_FN_FN_FN(fma) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 420 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 421 | /** |
| 422 | * Return (x < y ? y : x) |
| 423 | * |
| 424 | * Supports float, float2, float3, float4. |
| 425 | * @param x: may be float, float2, float3, float4 |
| 426 | * @param y: may be float or vector. If vector must match type of x. |
| 427 | */ |
| 428 | extern float __attribute__((overloadable)) fmax(float x, float y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 429 | FN_FUNC_FN_FN(fmax); |
| 430 | FN_FUNC_FN_F(fmax); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 431 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 432 | /** |
| 433 | * Return (x > y ? y : x) |
| 434 | * |
| 435 | * @param x: may be float, float2, float3, float4 |
| 436 | * @param y: may be float or vector. If vector must match type of x. |
| 437 | */ |
| 438 | extern float __attribute__((overloadable)) fmin(float x, float y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 439 | FN_FUNC_FN_FN(fmin); |
| 440 | FN_FUNC_FN_F(fmin); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 441 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 442 | /** |
| 443 | * Return the remainder from x / y |
| 444 | * |
| 445 | * Supports float, float2, float3, float4. |
| 446 | */ |
| 447 | extern float __attribute__((overloadable)) fmod(float x, float y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 448 | FN_FUNC_FN_FN(fmod) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 449 | |
Tim Murray | 4d3201d | 2013-01-03 11:58:39 -0800 | [diff] [blame] | 450 | /** |
| 451 | * Return fractional part of v |
| 452 | * |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 453 | * @param iptr iptr[0] will be set to the floor of the input value. |
| 454 | * Supports float, float2, float3, float4. |
| 455 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 456 | _RS_RUNTIME float __attribute__((overloadable)) fract(float v, float *iptr); |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 457 | FN_FUNC_FN_PFN(fract) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 458 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 459 | /** |
Stephen Hines | 891bcfe | 2013-01-16 18:46:43 -0800 | [diff] [blame] | 460 | * Return fractional part of v |
| 461 | * |
| 462 | * Supports float, float2, float3, float4. |
| 463 | */ |
| 464 | static inline float __attribute__((overloadable)) fract(float v) { |
| 465 | float unused; |
| 466 | return fract(v, &unused); |
| 467 | } |
| 468 | |
| 469 | static inline float2 __attribute__((overloadable)) fract(float2 v) { |
| 470 | float2 unused; |
| 471 | return fract(v, &unused); |
| 472 | } |
| 473 | |
| 474 | static inline float3 __attribute__((overloadable)) fract(float3 v) { |
| 475 | float3 unused; |
| 476 | return fract(v, &unused); |
| 477 | } |
| 478 | |
| 479 | static inline float4 __attribute__((overloadable)) fract(float4 v) { |
| 480 | float4 unused; |
| 481 | return fract(v, &unused); |
| 482 | } |
| 483 | |
| 484 | /** |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 485 | * Return the mantissa and place the exponent into iptr[0] |
| 486 | * |
| 487 | * @param v Supports float, float2, float3, float4. |
| 488 | * @param iptr Must have the same vector size as v. |
| 489 | */ |
| 490 | extern float __attribute__((overloadable)) frexp(float v, int *iptr); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 491 | FN_FUNC_FN_PIN(frexp) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 492 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 493 | /** |
| 494 | * Return sqrt(x*x + y*y) |
| 495 | * |
| 496 | * Supports float, float2, float3, float4. |
| 497 | */ |
| 498 | extern float __attribute__((overloadable)) hypot(float x, float y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 499 | FN_FUNC_FN_FN(hypot) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 500 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 501 | /** |
| 502 | * Return the integer exponent of a value |
| 503 | * |
| 504 | * Supports 1,2,3,4 components |
| 505 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 506 | extern int __attribute__((overloadable)) ilogb(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 507 | IN_FUNC_FN(ilogb) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 508 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 509 | /** |
| 510 | * Return (x * 2^y) |
| 511 | * |
| 512 | * @param x Supports 1,2,3,4 components |
| 513 | * @param y Supports single component or matching vector. |
| 514 | */ |
| 515 | extern float __attribute__((overloadable)) ldexp(float x, int y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 516 | FN_FUNC_FN_IN(ldexp) |
| 517 | FN_FUNC_FN_I(ldexp) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 518 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 519 | /** |
| 520 | * Return the log gamma |
| 521 | * |
| 522 | * Supports 1,2,3,4 components |
| 523 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 524 | extern float __attribute__((overloadable)) lgamma(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 525 | FN_FUNC_FN(lgamma) |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 526 | |
| 527 | /** |
| 528 | * Return the log gamma and sign |
| 529 | * |
| 530 | * @param x Supports 1,2,3,4 components |
| 531 | * @param y Supports matching vector. |
| 532 | */ |
| 533 | extern float __attribute__((overloadable)) lgamma(float x, int* y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 534 | FN_FUNC_FN_PIN(lgamma) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 535 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 536 | /** |
| 537 | * Return the natural logarithm |
| 538 | * |
| 539 | * Supports 1,2,3,4 components |
| 540 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 541 | extern float __attribute__((overloadable)) log(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 542 | FN_FUNC_FN(log) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 543 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 544 | /** |
| 545 | * Return the base 10 logarithm |
| 546 | * |
| 547 | * Supports 1,2,3,4 components |
| 548 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 549 | extern float __attribute__((overloadable)) log10(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 550 | FN_FUNC_FN(log10) |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 551 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 552 | /** |
| 553 | * Return the base 2 logarithm |
| 554 | * |
| 555 | * Supports 1,2,3,4 components |
| 556 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 557 | _RS_RUNTIME float __attribute__((overloadable)) log2(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 558 | FN_FUNC_FN(log2) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 559 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 560 | /** |
| 561 | * Return the natural logarithm of (v + 1.0f) |
| 562 | * |
| 563 | * Supports 1,2,3,4 components |
| 564 | */ |
| 565 | extern float __attribute__((overloadable)) log1p(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 566 | FN_FUNC_FN(log1p) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 567 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 568 | /** |
| 569 | * Compute the exponent of the value. |
| 570 | * |
| 571 | * Supports 1,2,3,4 components |
| 572 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 573 | extern float __attribute__((overloadable)) logb(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 574 | FN_FUNC_FN(logb) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 575 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 576 | /** |
| 577 | * Compute (a * b) + c |
| 578 | * |
| 579 | * Supports 1,2,3,4 components |
| 580 | */ |
| 581 | extern float __attribute__((overloadable)) mad(float a, float b, float c); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 582 | FN_FUNC_FN_FN_FN(mad) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 583 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 584 | /** |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 585 | * Return the integral and fractional components of a number. |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 586 | * Supports 1,2,3,4 components |
| 587 | * |
| 588 | * @param x Source value |
| 589 | * @param iret iret[0] will be set to the integral portion of the number. |
| 590 | * @return The floating point portion of the value. |
| 591 | */ |
| 592 | extern float __attribute__((overloadable)) modf(float x, float *iret); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 593 | FN_FUNC_FN_PFN(modf); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 594 | |
Jason Sams | f31fa92 | 2012-03-30 18:26:31 -0700 | [diff] [blame] | 595 | extern float __attribute__((overloadable)) nan(uint); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 596 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 597 | /** |
| 598 | * Return the next floating point number from x towards y. |
| 599 | * |
| 600 | * Supports 1,2,3,4 components |
| 601 | */ |
| 602 | extern float __attribute__((overloadable)) nextafter(float x, float y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 603 | FN_FUNC_FN_FN(nextafter) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 604 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 605 | /** |
| 606 | * Return (v ^ p). |
| 607 | * |
| 608 | * Supports 1,2,3,4 components |
| 609 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 610 | _RS_RUNTIME float __attribute__((overloadable)) pown(float v, int p); |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 611 | FN_FUNC_FN_IN(pown) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 612 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 613 | /** |
| 614 | * Return (v ^ p). |
| 615 | * @param v must be greater than 0. |
| 616 | * |
| 617 | * Supports 1,2,3,4 components |
| 618 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 619 | _RS_RUNTIME float __attribute__((overloadable)) powr(float v, float p); |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 620 | FN_FUNC_FN_FN(powr) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 621 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 622 | /** |
| 623 | * Return round x/y to the nearest integer then compute the remander. |
| 624 | * |
| 625 | * Supports 1,2,3,4 components |
| 626 | */ |
| 627 | extern float __attribute__((overloadable)) remainder(float x, float y); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 628 | FN_FUNC_FN_FN(remainder) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 629 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 630 | // document once we know the precision of bionic |
Stephen Hines | 4741653 | 2011-01-11 14:38:18 -0800 | [diff] [blame] | 631 | extern float __attribute__((overloadable)) remquo(float, float, int *); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 632 | FN_FUNC_FN_FN_PIN(remquo) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 633 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 634 | /** |
| 635 | * Round to the nearest integral value. |
| 636 | * |
| 637 | * Supports 1,2,3,4 components |
| 638 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 639 | extern float __attribute__((overloadable)) rint(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 640 | FN_FUNC_FN(rint) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 641 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 642 | /** |
| 643 | * Compute the Nth root of a value. |
| 644 | * |
| 645 | * Supports 1,2,3,4 components |
| 646 | */ |
| 647 | _RS_RUNTIME float __attribute__((overloadable)) rootn(float v, int n); |
| 648 | FN_FUNC_FN_IN(rootn) |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 649 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 650 | /** |
| 651 | * Round to the nearest integral value. Half values are rounded away from zero. |
| 652 | * |
| 653 | * Supports 1,2,3,4 components |
| 654 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 655 | extern float __attribute__((overloadable)) round(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 656 | FN_FUNC_FN(round) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 657 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 658 | /** |
| 659 | * Return the square root of a value. |
| 660 | * |
| 661 | * Supports 1,2,3,4 components |
| 662 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 663 | extern float __attribute__((overloadable)) sqrt(float); |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 664 | FN_FUNC_FN(sqrt) |
| 665 | |
| 666 | /** |
| 667 | * Return (1 / sqrt(value)). |
| 668 | * |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 669 | * Supports 1,2,3,4 components |
| 670 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 671 | _RS_RUNTIME float __attribute__((overloadable)) rsqrt(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 672 | FN_FUNC_FN(rsqrt) |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 673 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 674 | /** |
| 675 | * Return the sine of a value specified in radians. |
| 676 | * |
| 677 | * @param v The incoming value in radians |
| 678 | * Supports 1,2,3,4 components |
| 679 | */ |
| 680 | extern float __attribute__((overloadable)) sin(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 681 | FN_FUNC_FN(sin) |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 682 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 683 | /** |
| 684 | * Return the sine and cosine of a value. |
| 685 | * |
| 686 | * @return sine |
| 687 | * @param v The incoming value in radians |
| 688 | * @param *cosptr cosptr[0] will be set to the cosine value. |
| 689 | * |
| 690 | * Supports 1,2,3,4 components |
| 691 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 692 | _RS_RUNTIME float __attribute__((overloadable)) sincos(float v, float *cosptr); |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 693 | FN_FUNC_FN_PFN(sincos); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 694 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 695 | /** |
| 696 | * Return the hyperbolic sine of a value specified in radians. |
| 697 | * |
| 698 | * Supports 1,2,3,4 components |
| 699 | */ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 700 | extern float __attribute__((overloadable)) sinh(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 701 | FN_FUNC_FN(sinh) |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 702 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 703 | /** |
| 704 | * Return the sin(v * PI). |
| 705 | * |
| 706 | * Supports 1,2,3,4 components |
| 707 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 708 | _RS_RUNTIME float __attribute__((overloadable)) sinpi(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 709 | FN_FUNC_FN(sinpi) |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 710 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 711 | /** |
| 712 | * Return the tangent of a value. |
| 713 | * |
| 714 | * Supports 1,2,3,4 components |
| 715 | * @param v The incoming value in radians |
| 716 | */ |
| 717 | extern float __attribute__((overloadable)) tan(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 718 | FN_FUNC_FN(tan) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 719 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 720 | /** |
| 721 | * Return the hyperbolic tangent of a value. |
| 722 | * |
| 723 | * Supports 1,2,3,4 components |
| 724 | * @param v The incoming value in radians |
| 725 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 726 | extern float __attribute__((overloadable)) tanh(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 727 | FN_FUNC_FN(tanh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 728 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 729 | /** |
| 730 | * Return tan(v * PI) |
| 731 | * |
| 732 | * Supports 1,2,3,4 components |
| 733 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 734 | _RS_RUNTIME float __attribute__((overloadable)) tanpi(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 735 | FN_FUNC_FN(tanpi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 736 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 737 | /** |
| 738 | * Compute the gamma function of a value. |
| 739 | * |
| 740 | * Supports 1,2,3,4 components |
| 741 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 742 | extern float __attribute__((overloadable)) tgamma(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 743 | FN_FUNC_FN(tgamma) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 744 | |
Jason Sams | ef82364 | 2011-08-31 14:52:08 -0700 | [diff] [blame] | 745 | /** |
| 746 | * Round to integral using truncation. |
| 747 | * |
| 748 | * Supports 1,2,3,4 components |
| 749 | */ |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 750 | extern float __attribute__((overloadable)) trunc(float); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 751 | FN_FUNC_FN(trunc) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 752 | |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 753 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 754 | #define XN_FUNC_YN(typeout, fnc, typein) \ |
| 755 | extern typeout __attribute__((overloadable)) fnc(typein); \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 756 | _RS_RUNTIME typeout##2 __attribute__((overloadable)) fnc(typein##2 v); \ |
| 757 | _RS_RUNTIME typeout##3 __attribute__((overloadable)) fnc(typein##3 v); \ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 758 | _RS_RUNTIME typeout##4 __attribute__((overloadable)) fnc(typein##4 v); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 759 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 760 | #define UIN_FUNC_IN(fnc) \ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 761 | XN_FUNC_YN(uchar, fnc, char) \ |
| 762 | XN_FUNC_YN(ushort, fnc, short) \ |
| 763 | XN_FUNC_YN(uint, fnc, int) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 764 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 765 | #define IN_FUNC_IN(fnc) \ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 766 | XN_FUNC_YN(uchar, fnc, uchar) \ |
| 767 | XN_FUNC_YN(char, fnc, char) \ |
| 768 | XN_FUNC_YN(ushort, fnc, ushort) \ |
| 769 | XN_FUNC_YN(short, fnc, short) \ |
| 770 | XN_FUNC_YN(uint, fnc, uint) \ |
| 771 | XN_FUNC_YN(int, fnc, int) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 772 | |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 773 | |
Stephen Hines | 47b1530 | 2011-01-19 18:06:34 -0800 | [diff] [blame] | 774 | #define XN_FUNC_XN_XN_BODY(type, fnc, body) \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 775 | _RS_RUNTIME type __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 776 | fnc(type v1, type v2); \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 777 | _RS_RUNTIME type##2 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 778 | fnc(type##2 v1, type##2 v2); \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 779 | _RS_RUNTIME type##3 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 780 | fnc(type##3 v1, type##3 v2); \ |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 781 | _RS_RUNTIME type##4 __attribute__((overloadable)) \ |
Shih-wei Liao | edf2240 | 2011-01-26 04:03:30 -0800 | [diff] [blame] | 782 | fnc(type##4 v1, type##4 v2); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 783 | |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 784 | #define IN_FUNC_IN_IN_BODY(fnc, body) \ |
| 785 | XN_FUNC_XN_XN_BODY(uchar, fnc, body) \ |
| 786 | XN_FUNC_XN_XN_BODY(char, fnc, body) \ |
| 787 | XN_FUNC_XN_XN_BODY(ushort, fnc, body) \ |
| 788 | XN_FUNC_XN_XN_BODY(short, fnc, body) \ |
| 789 | XN_FUNC_XN_XN_BODY(uint, fnc, body) \ |
| 790 | XN_FUNC_XN_XN_BODY(int, fnc, body) \ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 791 | XN_FUNC_XN_XN_BODY(float, fnc, body) |
Stephen Hines | b902e4c | 2011-01-14 18:49:01 -0800 | [diff] [blame] | 792 | |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 793 | /** |
| 794 | * Return the absolute value of a value. |
| 795 | * |
| 796 | * Supports 1,2,3,4 components of char, short, int. |
| 797 | */ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 798 | UIN_FUNC_IN(abs) |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 799 | |
| 800 | /** |
| 801 | * Return the number of leading 0-bits in a value. |
| 802 | * |
| 803 | * Supports 1,2,3,4 components of uchar, char, ushort, short, uint, int. |
| 804 | */ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 805 | IN_FUNC_IN(clz) |
Stephen Hines | b902e4c | 2011-01-14 18:49:01 -0800 | [diff] [blame] | 806 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 807 | /** |
| 808 | * Return the minimum of two values. |
| 809 | * |
| 810 | * Supports 1,2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 811 | */ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 812 | IN_FUNC_IN_IN_BODY(min, (v1 < v2 ? v1 : v2)) |
| 813 | FN_FUNC_FN_F(min) |
Stephen Hines | b902e4c | 2011-01-14 18:49:01 -0800 | [diff] [blame] | 814 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 815 | /** |
| 816 | * Return the maximum of two values. |
| 817 | * |
| 818 | * Supports 1,2,3,4 components of uchar, char, ushort, short, uint, int, float. |
| 819 | */ |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 820 | IN_FUNC_IN_IN_BODY(max, (v1 > v2 ? v1 : v2)) |
| 821 | FN_FUNC_FN_F(max) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 822 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 823 | /** |
| 824 | * Clamp a value to a specified high and low bound. |
| 825 | * |
| 826 | * @param amount value to be clamped. Supports 1,2,3,4 components |
| 827 | * @param low Lower bound, must be scalar or matching vector. |
| 828 | * @param high High bound, must match type of low |
| 829 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 830 | _RS_RUNTIME float __attribute__((overloadable)) clamp(float amount, float low, float high); |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 831 | FN_FUNC_FN_FN_FN(clamp) |
| 832 | FN_FUNC_FN_F_F(clamp) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 833 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 834 | /** |
| 835 | * Convert from radians to degrees. |
| 836 | * |
| 837 | * Supports 1,2,3,4 components |
| 838 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 839 | _RS_RUNTIME float __attribute__((overloadable)) degrees(float radians); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 840 | FN_FUNC_FN(degrees) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 841 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 842 | /** |
| 843 | * return start + ((stop - start) * amount); |
| 844 | * |
| 845 | * Supports 1,2,3,4 components |
| 846 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 847 | _RS_RUNTIME float __attribute__((overloadable)) mix(float start, float stop, float amount); |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 848 | FN_FUNC_FN_FN_FN(mix) |
| 849 | FN_FUNC_FN_FN_F(mix) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 850 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 851 | /** |
| 852 | * Convert from degrees to radians. |
| 853 | * |
| 854 | * Supports 1,2,3,4 components |
| 855 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 856 | _RS_RUNTIME float __attribute__((overloadable)) radians(float degrees); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 857 | FN_FUNC_FN(radians) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 858 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 859 | /** |
| 860 | * if (v < edge) |
| 861 | * return 0.f; |
| 862 | * else |
| 863 | * return 1.f; |
| 864 | * |
| 865 | * Supports 1,2,3,4 components |
| 866 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 867 | _RS_RUNTIME float __attribute__((overloadable)) step(float edge, float v); |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 868 | FN_FUNC_FN_FN(step) |
| 869 | FN_FUNC_FN_F(step) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 870 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 871 | // not implemented |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 872 | extern float __attribute__((overloadable)) smoothstep(float, float, float); |
| 873 | extern float2 __attribute__((overloadable)) smoothstep(float2, float2, float2); |
| 874 | extern float3 __attribute__((overloadable)) smoothstep(float3, float3, float3); |
| 875 | extern float4 __attribute__((overloadable)) smoothstep(float4, float4, float4); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 876 | extern float2 __attribute__((overloadable)) smoothstep(float, float, float2); |
| 877 | extern float3 __attribute__((overloadable)) smoothstep(float, float, float3); |
| 878 | extern float4 __attribute__((overloadable)) smoothstep(float, float, float4); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 879 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 880 | /** |
Stephen Hines | cb05802 | 2012-05-29 17:10:05 -0700 | [diff] [blame] | 881 | * Return the sign of a value. |
| 882 | * |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 883 | * if (v < 0) return -1.f; |
| 884 | * else if (v > 0) return 1.f; |
| 885 | * else return 0.f; |
| 886 | * |
| 887 | * Supports 1,2,3,4 components |
| 888 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 889 | _RS_RUNTIME float __attribute__((overloadable)) sign(float v); |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 890 | FN_FUNC_FN(sign) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 891 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 892 | /** |
| 893 | * Compute the cross product of two vectors. |
| 894 | * |
| 895 | * Supports 3,4 components |
| 896 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 897 | _RS_RUNTIME float3 __attribute__((overloadable)) cross(float3 lhs, float3 rhs); |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 898 | _RS_RUNTIME float4 __attribute__((overloadable)) cross(float4 lhs, float4 rhs); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 899 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 900 | /** |
| 901 | * Compute the dot product of two vectors. |
| 902 | * |
| 903 | * Supports 1,2,3,4 components |
| 904 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 905 | _RS_RUNTIME float __attribute__((overloadable)) dot(float lhs, float rhs); |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 906 | F_FUNC_FN_FN(dot) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 907 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 908 | /** |
| 909 | * Compute the length of a vector. |
| 910 | * |
| 911 | * Supports 1,2,3,4 components |
| 912 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 913 | _RS_RUNTIME float __attribute__((overloadable)) length(float v); |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 914 | F_FUNC_FN(length) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 915 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 916 | /** |
| 917 | * Compute the distance between two points. |
| 918 | * |
| 919 | * Supports 1,2,3,4 components |
| 920 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 921 | _RS_RUNTIME float __attribute__((overloadable)) distance(float lhs, float rhs); |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 922 | F_FUNC_FN_FN(distance) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 923 | |
Jason Sams | dc2c3e6 | 2011-08-31 16:44:18 -0700 | [diff] [blame] | 924 | /** |
| 925 | * Normalize a vector. |
| 926 | * |
| 927 | * Supports 1,2,3,4 components |
| 928 | */ |
Shih-wei Liao | e31775b | 2011-01-26 17:04:31 -0800 | [diff] [blame] | 929 | _RS_RUNTIME float __attribute__((overloadable)) normalize(float v); |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 930 | FN_FUNC_FN(normalize) |
| 931 | |
Rajeev Sharma | 7150c93 | 2012-08-15 21:41:39 -0700 | [diff] [blame] | 932 | |
| 933 | // New approx API functions |
| 934 | #if (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 935 | |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 936 | /** |
| 937 | * Return the approximate reciprocal of a value. |
| 938 | * |
| 939 | * Supports 1,2,3,4 components |
| 940 | */ |
Jason Sams | ab4b0ef | 2012-09-20 15:39:18 -0700 | [diff] [blame] | 941 | _RS_RUNTIME float __attribute__((overloadable)) half_recip(float); |
| 942 | FN_FUNC_FN(half_recip) |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 943 | |
| 944 | /** |
| 945 | * Return the approximate square root of a value. |
| 946 | * |
| 947 | * Supports 1,2,3,4 components |
| 948 | */ |
Jason Sams | ab4b0ef | 2012-09-20 15:39:18 -0700 | [diff] [blame] | 949 | _RS_RUNTIME float __attribute__((overloadable)) half_sqrt(float); |
| 950 | FN_FUNC_FN(half_sqrt) |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 951 | |
| 952 | /** |
| 953 | * Return the approximate value of (1 / sqrt(value)). |
| 954 | * |
| 955 | * Supports 1,2,3,4 components |
| 956 | */ |
Jason Sams | ab4b0ef | 2012-09-20 15:39:18 -0700 | [diff] [blame] | 957 | _RS_RUNTIME float __attribute__((overloadable)) half_rsqrt(float v); |
| 958 | FN_FUNC_FN(half_rsqrt) |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 959 | |
| 960 | /** |
| 961 | * Compute the approximate length of a vector. |
| 962 | * |
| 963 | * Supports 1,2,3,4 components |
| 964 | */ |
Jason Sams | ab4b0ef | 2012-09-20 15:39:18 -0700 | [diff] [blame] | 965 | _RS_RUNTIME float __attribute__((overloadable)) fast_length(float v); |
| 966 | F_FUNC_FN(fast_length) |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 967 | |
| 968 | /** |
| 969 | * Compute the approximate distance between two points. |
| 970 | * |
| 971 | * Supports 1,2,3,4 components |
| 972 | */ |
Jason Sams | ab4b0ef | 2012-09-20 15:39:18 -0700 | [diff] [blame] | 973 | _RS_RUNTIME float __attribute__((overloadable)) fast_distance(float lhs, float rhs); |
| 974 | F_FUNC_FN_FN(fast_distance) |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 975 | |
| 976 | /** |
| 977 | * Approximately normalize a vector. |
| 978 | * |
| 979 | * Supports 1,2,3,4 components |
| 980 | */ |
Jason Sams | ab4b0ef | 2012-09-20 15:39:18 -0700 | [diff] [blame] | 981 | _RS_RUNTIME float __attribute__((overloadable)) fast_normalize(float v); |
| 982 | F_FUNC_FN(fast_normalize) |
Rajeev Sharma | 7150c93 | 2012-08-15 21:41:39 -0700 | [diff] [blame] | 983 | |
| 984 | #endif // (defined(RS_VERSION) && (RS_VERSION >= 17)) |
| 985 | |
| 986 | |
Jason Sams | 59531f7 | 2013-01-18 14:10:32 -0800 | [diff] [blame] | 987 | |
| 988 | #if (defined(RS_VERSION) && (RS_VERSION >= 18)) |
| 989 | // Fast native math functions. |
| 990 | |
| 991 | |
| 992 | /** |
| 993 | * Fast approximate exp2 |
| 994 | * valid for inputs -125.f to 125.f |
| 995 | * Max 8192 ulps of error |
| 996 | * |
| 997 | * Supports 1,2,3,4 components |
| 998 | */ |
| 999 | _RS_RUNTIME float __attribute__((overloadable)) native_exp2(float v); |
| 1000 | FN_FUNC_FN(native_exp2) |
| 1001 | |
| 1002 | /** |
| 1003 | * Fast approximate exp |
| 1004 | * valid for inputs -86.f to 86.f |
| 1005 | * Max 8192 ulps of error |
| 1006 | * |
| 1007 | * Supports 1,2,3,4 components |
| 1008 | */ |
| 1009 | _RS_RUNTIME float __attribute__((overloadable)) native_exp(float v); |
| 1010 | FN_FUNC_FN(native_exp) |
| 1011 | |
| 1012 | /** |
| 1013 | * Fast approximate exp10 |
| 1014 | * valid for inputs -37.f to 37.f |
| 1015 | * Max 8192 ulps of error |
| 1016 | * |
| 1017 | * Supports 1,2,3,4 components |
| 1018 | */ |
| 1019 | _RS_RUNTIME float __attribute__((overloadable)) native_exp10(float v); |
| 1020 | FN_FUNC_FN(native_exp10) |
| 1021 | |
| 1022 | |
Jason Sams | aa49395 | 2013-01-25 13:21:17 -0800 | [diff] [blame] | 1023 | _RS_RUNTIME float __attribute__((overloadable)) native_log2(float v); |
| 1024 | FN_FUNC_FN(native_log2) |
| 1025 | |
| 1026 | _RS_RUNTIME float __attribute__((overloadable)) native_log(float v); |
| 1027 | FN_FUNC_FN(native_log) |
| 1028 | |
| 1029 | _RS_RUNTIME float __attribute__((overloadable)) native_log10(float v); |
| 1030 | FN_FUNC_FN(native_log10) |
| 1031 | |
| 1032 | |
| 1033 | _RS_RUNTIME float __attribute__((overloadable)) native_powr(float v, float y); |
| 1034 | FN_FUNC_FN_FN(native_powr) |
| 1035 | |
| 1036 | |
Jason Sams | 59531f7 | 2013-01-18 14:10:32 -0800 | [diff] [blame] | 1037 | #endif // (defined(RS_VERSION) && (RS_VERSION >= 18)) |
| 1038 | |
| 1039 | |
Stephen Hines | 4741653 | 2011-01-11 14:38:18 -0800 | [diff] [blame] | 1040 | #undef CVT_FUNC |
| 1041 | #undef CVT_FUNC_2 |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 1042 | #undef FN_FUNC_FN |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 1043 | #undef F_FUNC_FN |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 1044 | #undef IN_FUNC_FN |
| 1045 | #undef FN_FUNC_FN_FN |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 1046 | #undef F_FUNC_FN_FN |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 1047 | #undef FN_FUNC_FN_F |
| 1048 | #undef FN_FUNC_FN_IN |
| 1049 | #undef FN_FUNC_FN_I |
| 1050 | #undef FN_FUNC_FN_PFN |
| 1051 | #undef FN_FUNC_FN_PIN |
| 1052 | #undef FN_FUNC_FN_FN_FN |
Rajeev Sharma | 65723fe | 2012-08-03 15:11:04 -0700 | [diff] [blame] | 1053 | #undef FN_FUNC_FN_FN_F |
| 1054 | #undef FN_FUNC_FN_F_F |
Stephen Hines | 3e6482f | 2011-01-19 12:51:33 -0800 | [diff] [blame] | 1055 | #undef FN_FUNC_FN_FN_PIN |
| 1056 | #undef XN_FUNC_YN |
| 1057 | #undef UIN_FUNC_IN |
| 1058 | #undef IN_FUNC_IN |
| 1059 | #undef XN_FUNC_XN_XN_BODY |
| 1060 | #undef IN_FUNC_IN_IN_BODY |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 1061 | |
| 1062 | #endif |