Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 1 | #ifndef __RS_CL_RSH__ |
| 2 | #define __RS_CL_RSH__ |
| 3 | |
| 4 | #define M_PI 3.14159265358979323846264338327950288f /* pi */ |
| 5 | |
| 6 | |
| 7 | // Conversions |
| 8 | #define CVT_FUNC_2(typeout, typein) \ |
| 9 | static typeout##2 __attribute__((overloadable)) convert_##typeout##2(typein##2 v) { \ |
| 10 | typeout##2 r = {v.x, v.y}; \ |
| 11 | return r; \ |
| 12 | } \ |
| 13 | static typeout##3 __attribute__((overloadable)) convert_##typeout##3(typein##3 v) { \ |
| 14 | typeout##3 r = {v.x, v.y, v.z}; \ |
| 15 | return r; \ |
| 16 | } \ |
| 17 | static typeout##4 __attribute__((overloadable)) convert_##typeout##4(typein##4 v) { \ |
| 18 | typeout##4 r = {v.x, v.y, v.z, v.w}; \ |
| 19 | return r; \ |
| 20 | } |
| 21 | |
| 22 | #define CVT_FUNC(type) CVT_FUNC_2(type, uchar) \ |
| 23 | CVT_FUNC_2(type, char) \ |
| 24 | CVT_FUNC_2(type, ushort) \ |
| 25 | CVT_FUNC_2(type, short) \ |
| 26 | CVT_FUNC_2(type, int) \ |
| 27 | CVT_FUNC_2(type, uint) \ |
| 28 | CVT_FUNC_2(type, float) |
| 29 | |
| 30 | CVT_FUNC(char) |
| 31 | CVT_FUNC(uchar) |
| 32 | CVT_FUNC(short) |
| 33 | CVT_FUNC(ushort) |
| 34 | CVT_FUNC(int) |
| 35 | CVT_FUNC(uint) |
| 36 | CVT_FUNC(float) |
| 37 | |
| 38 | |
| 39 | |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 40 | // Float ops, 6.11.2 |
| 41 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 42 | #define DEF_FUNC_1(fnc) \ |
| 43 | static float2 __attribute__((overloadable)) fnc(float2 v) { \ |
| 44 | float2 r; \ |
| 45 | r.x = fnc(v.x); \ |
| 46 | r.y = fnc(v.y); \ |
| 47 | return r; \ |
| 48 | } \ |
| 49 | static float3 __attribute__((overloadable)) fnc(float3 v) { \ |
| 50 | float3 r; \ |
| 51 | r.x = fnc(v.x); \ |
| 52 | r.y = fnc(v.y); \ |
| 53 | r.z = fnc(v.z); \ |
| 54 | return r; \ |
| 55 | } \ |
| 56 | static float4 __attribute__((overloadable)) fnc(float4 v) { \ |
| 57 | float4 r; \ |
| 58 | r.x = fnc(v.x); \ |
| 59 | r.y = fnc(v.y); \ |
| 60 | r.z = fnc(v.z); \ |
| 61 | r.w = fnc(v.w); \ |
| 62 | return r; \ |
| 63 | } |
| 64 | |
| 65 | #define DEF_FUNC_2(fnc) \ |
| 66 | static float2 __attribute__((overloadable)) fnc(float2 v1, float2 v2) { \ |
| 67 | float2 r; \ |
| 68 | r.x = fnc(v1.x, v2.x); \ |
| 69 | r.y = fnc(v1.y, v2.y); \ |
| 70 | return r; \ |
| 71 | } \ |
| 72 | static float3 __attribute__((overloadable)) fnc(float3 v1, float3 v2) { \ |
| 73 | float3 r; \ |
| 74 | r.x = fnc(v1.x, v2.x); \ |
| 75 | r.y = fnc(v1.y, v2.y); \ |
| 76 | r.z = fnc(v1.z, v2.z); \ |
| 77 | return r; \ |
| 78 | } \ |
| 79 | static float4 __attribute__((overloadable)) fnc(float4 v1, float4 v2) { \ |
| 80 | float4 r; \ |
| 81 | r.x = fnc(v1.x, v2.x); \ |
| 82 | r.y = fnc(v1.y, v2.y); \ |
| 83 | r.z = fnc(v1.z, v2.z); \ |
| 84 | r.w = fnc(v1.w, v2.z); \ |
| 85 | return r; \ |
| 86 | } |
| 87 | |
| 88 | #define DEF_FUNC_2F(fnc) \ |
| 89 | static float2 __attribute__((overloadable)) fnc(float2 v1, float v2) { \ |
| 90 | float2 r; \ |
| 91 | r.x = fnc(v1.x, v2); \ |
| 92 | r.y = fnc(v1.y, v2); \ |
| 93 | return r; \ |
| 94 | } \ |
| 95 | static float3 __attribute__((overloadable)) fnc(float3 v1, float v2) { \ |
| 96 | float3 r; \ |
| 97 | r.x = fnc(v1.x, v2); \ |
| 98 | r.y = fnc(v1.y, v2); \ |
| 99 | r.z = fnc(v1.z, v2); \ |
| 100 | return r; \ |
| 101 | } \ |
| 102 | static float4 __attribute__((overloadable)) fnc(float4 v1, float v2) { \ |
| 103 | float4 r; \ |
| 104 | r.x = fnc(v1.x, v2); \ |
| 105 | r.y = fnc(v1.y, v2); \ |
| 106 | r.z = fnc(v1.z, v2); \ |
| 107 | r.w = fnc(v1.w, v2); \ |
| 108 | return r; \ |
| 109 | } |
| 110 | |
| 111 | |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 112 | extern float __attribute__((overloadable)) acos(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 113 | DEF_FUNC_1(acos) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 114 | |
| 115 | extern float __attribute__((overloadable)) acosh(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 116 | DEF_FUNC_1(acosh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 117 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 118 | static float __attribute__((overloadable)) acospi(float v) { |
| 119 | return acos(v) / M_PI; |
| 120 | } |
| 121 | DEF_FUNC_1(acospi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 122 | |
| 123 | extern float __attribute__((overloadable)) asin(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 124 | DEF_FUNC_1(asin) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 125 | |
| 126 | extern float __attribute__((overloadable)) asinh(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 127 | DEF_FUNC_1(asinh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 128 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 129 | static float __attribute__((overloadable)) asinpi(float v) { |
| 130 | return asin(v) / M_PI; |
| 131 | } |
| 132 | DEF_FUNC_1(asinpi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 133 | |
| 134 | extern float __attribute__((overloadable)) atan(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 135 | DEF_FUNC_1(atan) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 136 | |
| 137 | extern float __attribute__((overloadable)) atan2(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 138 | DEF_FUNC_2(atan2) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 139 | |
| 140 | extern float __attribute__((overloadable)) atanh(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 141 | DEF_FUNC_1(atanh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 142 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 143 | static float __attribute__((overloadable)) atanpi(float v) { |
| 144 | return atan(v) / M_PI; |
| 145 | } |
| 146 | DEF_FUNC_1(atanpi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 147 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 148 | static float __attribute__((overloadable)) atan2pi(float y, float x) { |
| 149 | return atan2(y, x) / M_PI; |
| 150 | } |
| 151 | DEF_FUNC_2(atan2pi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 152 | |
| 153 | extern float __attribute__((overloadable)) cbrt(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 154 | DEF_FUNC_1(cbrt) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 155 | |
| 156 | extern float __attribute__((overloadable)) ceil(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 157 | DEF_FUNC_1(ceil) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 158 | |
| 159 | extern float __attribute__((overloadable)) copysign(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 160 | DEF_FUNC_2(copysign) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 161 | |
| 162 | extern float __attribute__((overloadable)) cos(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 163 | DEF_FUNC_1(cos) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 164 | |
| 165 | extern float __attribute__((overloadable)) cosh(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 166 | DEF_FUNC_1(cosh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 167 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 168 | static float __attribute__((overloadable)) cospi(float v) { |
| 169 | return cos(v * M_PI); |
| 170 | } |
| 171 | DEF_FUNC_1(cospi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 172 | |
| 173 | extern float __attribute__((overloadable)) erfc(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 174 | DEF_FUNC_1(erfc) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 175 | |
| 176 | extern float __attribute__((overloadable)) erf(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 177 | DEF_FUNC_1(erf) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 178 | |
| 179 | extern float __attribute__((overloadable)) exp(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 180 | DEF_FUNC_1(exp) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 181 | |
| 182 | extern float __attribute__((overloadable)) exp2(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 183 | DEF_FUNC_1(exp2) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 184 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 185 | extern float __attribute__((overloadable)) pow(float, float); |
| 186 | static float __attribute__((overloadable)) exp10(float v) { |
| 187 | return pow(10.f, v); |
| 188 | } |
| 189 | DEF_FUNC_1(exp10) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 190 | |
| 191 | extern float __attribute__((overloadable)) expm1(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 192 | DEF_FUNC_1(expm1) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 193 | |
| 194 | extern float __attribute__((overloadable)) fabs(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 195 | DEF_FUNC_1(fabs) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 196 | |
| 197 | extern float __attribute__((overloadable)) fdim(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 198 | DEF_FUNC_2(fdim) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 199 | |
| 200 | extern float __attribute__((overloadable)) floor(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 201 | DEF_FUNC_1(floor) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 202 | |
| 203 | extern float __attribute__((overloadable)) fma(float, float, float); |
| 204 | extern float2 __attribute__((overloadable)) fma(float2, float2, float2); |
| 205 | extern float3 __attribute__((overloadable)) fma(float3, float3, float3); |
| 206 | extern float4 __attribute__((overloadable)) fma(float4, float4, float4); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 207 | |
| 208 | extern float __attribute__((overloadable)) fmax(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 209 | DEF_FUNC_2(fmax); |
| 210 | DEF_FUNC_2F(fmax); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 211 | |
| 212 | extern float __attribute__((overloadable)) fmin(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 213 | DEF_FUNC_2(fmin); |
| 214 | DEF_FUNC_2F(fmin); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 215 | |
| 216 | extern float __attribute__((overloadable)) fmod(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 217 | DEF_FUNC_2(fmod) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 218 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 219 | static float __attribute__((overloadable)) fract(float v, float *iptr) { |
| 220 | int i = (int)floor(v); |
| 221 | iptr[0] = i; |
| 222 | return fmin(v - i, 0x1.fffffep-1f); |
| 223 | } |
| 224 | static float2 __attribute__((overloadable)) fract(float2 v, float2 *iptr) { |
| 225 | float t[2]; |
| 226 | float2 r; |
| 227 | r.x = fract(v.x, &t[0]); |
| 228 | r.y = fract(v.y, &t[1]); |
| 229 | iptr[0] = t[0]; |
| 230 | iptr[1] = t[1]; |
| 231 | return r; |
| 232 | } |
| 233 | static float3 __attribute__((overloadable)) fract(float3 v, float3 *iptr) { |
| 234 | float t[3]; |
| 235 | float3 r; |
| 236 | r.x = fract(v.x, &t[0]); |
| 237 | r.y = fract(v.y, &t[1]); |
| 238 | r.z = fract(v.z, &t[2]); |
| 239 | iptr[0] = t[0]; |
| 240 | iptr[1] = t[1]; |
| 241 | iptr[2] = t[2]; |
| 242 | return r; |
| 243 | } |
| 244 | static float4 __attribute__((overloadable)) fract(float4 v, float4 *iptr) { |
| 245 | float t[4]; |
| 246 | float4 r; |
| 247 | r.x = fract(v.x, &t[0]); |
| 248 | r.y = fract(v.y, &t[1]); |
| 249 | r.z = fract(v.z, &t[2]); |
| 250 | r.w = fract(v.w, &t[3]); |
| 251 | iptr[0] = t[0]; |
| 252 | iptr[1] = t[1]; |
| 253 | iptr[2] = t[2]; |
| 254 | iptr[3] = t[3]; |
| 255 | return r; |
| 256 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 257 | |
| 258 | extern float __attribute__((overloadable)) frexp(float, float *); |
| 259 | extern float2 __attribute__((overloadable)) frexp(float2, float2 *); |
| 260 | extern float3 __attribute__((overloadable)) frexp(float3, float3 *); |
| 261 | extern float4 __attribute__((overloadable)) frexp(float4, float4 *); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 262 | |
| 263 | extern float __attribute__((overloadable)) hypot(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 264 | DEF_FUNC_2(hypot) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 265 | |
| 266 | extern int __attribute__((overloadable)) ilogb(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 267 | DEF_FUNC_1(ilogb) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 268 | |
| 269 | extern float __attribute__((overloadable)) ldexp(float, int); |
| 270 | extern float2 __attribute__((overloadable)) ldexp(float2, int2); |
| 271 | extern float3 __attribute__((overloadable)) ldexp(float3, int3); |
| 272 | extern float4 __attribute__((overloadable)) ldexp(float4, int4); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 273 | extern float2 __attribute__((overloadable)) ldexp(float2, int); |
| 274 | extern float3 __attribute__((overloadable)) ldexp(float3, int); |
| 275 | extern float4 __attribute__((overloadable)) ldexp(float4, int); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 276 | |
| 277 | extern float __attribute__((overloadable)) lgamma(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 278 | DEF_FUNC_1(lgamma) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 279 | extern float __attribute__((overloadable)) lgamma(float, float *); |
| 280 | extern float2 __attribute__((overloadable)) lgamma(float2, float2 *); |
| 281 | extern float3 __attribute__((overloadable)) lgamma(float3, float3 *); |
| 282 | extern float4 __attribute__((overloadable)) lgamma(float4, float4 *); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 283 | |
| 284 | extern float __attribute__((overloadable)) log(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 285 | DEF_FUNC_1(log) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 286 | |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 287 | |
| 288 | extern float __attribute__((overloadable)) log10(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 289 | DEF_FUNC_1(log10) |
| 290 | |
| 291 | static float __attribute__((overloadable)) log2(float v) { |
| 292 | return log10(v) / log10(2.f); |
| 293 | } |
| 294 | DEF_FUNC_1(log2) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 295 | |
| 296 | extern float __attribute__((overloadable)) log1p(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 297 | DEF_FUNC_1(log1p) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 298 | |
| 299 | extern float __attribute__((overloadable)) logb(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 300 | DEF_FUNC_1(logb) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 301 | |
| 302 | extern float __attribute__((overloadable)) mad(float, float, float); |
| 303 | extern float2 __attribute__((overloadable)) mad(float2, float2, float2); |
| 304 | extern float3 __attribute__((overloadable)) mad(float3, float3, float3); |
| 305 | extern float4 __attribute__((overloadable)) mad(float4, float4, float4); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 306 | |
| 307 | extern float __attribute__((overloadable)) modf(float, float *); |
| 308 | extern float2 __attribute__((overloadable)) modf(float2, float2 *); |
| 309 | extern float3 __attribute__((overloadable)) modf(float3, float3 *); |
| 310 | extern float4 __attribute__((overloadable)) modf(float4, float4 *); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 311 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 312 | //extern float __attribute__((overloadable)) nan(uint); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 313 | |
| 314 | extern float __attribute__((overloadable)) nextafter(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 315 | DEF_FUNC_2(nextafter) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 316 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 317 | DEF_FUNC_2(pow) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 318 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 319 | static float __attribute__((overloadable)) pown(float v, int p) { |
| 320 | return pow(v, (float)p); |
| 321 | } |
| 322 | static float2 __attribute__((overloadable)) pown(float2 v, int2 p) { |
| 323 | return pow(v, (float2)p); |
| 324 | } |
| 325 | static float3 __attribute__((overloadable)) pown(float3 v, int3 p) { |
| 326 | return pow(v, (float3)p); |
| 327 | } |
| 328 | static float4 __attribute__((overloadable)) pown(float4 v, int4 p) { |
| 329 | return pow(v, (float4)p); |
| 330 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 331 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 332 | static float __attribute__((overloadable)) powr(float v, float p) { |
| 333 | return pow(v, p); |
| 334 | } |
| 335 | static float2 __attribute__((overloadable)) powr(float2 v, float2 p) { |
| 336 | return pow(v, p); |
| 337 | } |
| 338 | static float3 __attribute__((overloadable)) powr(float3 v, float3 p) { |
| 339 | return pow(v, p); |
| 340 | } |
| 341 | static float4 __attribute__((overloadable)) powr(float4 v, float4 p) { |
| 342 | return pow(v, p); |
| 343 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 344 | |
| 345 | extern float __attribute__((overloadable)) remainder(float, float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 346 | DEF_FUNC_2(remainder) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 347 | |
| 348 | extern float __attribute__((overloadable)) remquo(float, float, float *); |
| 349 | extern float2 __attribute__((overloadable)) remquo(float2, float2, float2 *); |
| 350 | extern float3 __attribute__((overloadable)) remquo(float3, float3, float3 *); |
| 351 | extern float4 __attribute__((overloadable)) remquo(float4, float4, float4 *); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 352 | |
| 353 | extern float __attribute__((overloadable)) rint(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 354 | DEF_FUNC_1(rint) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 355 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 356 | static float __attribute__((overloadable)) rootn(float v, int r) { |
| 357 | return pow(v, 1.f / r); |
| 358 | } |
| 359 | static float2 __attribute__((overloadable)) rootn(float2 v, int2 r) { |
| 360 | float2 t = {1.f / r.x, 1.f / r.y}; |
| 361 | return pow(v, t); |
| 362 | } |
| 363 | static float3 __attribute__((overloadable)) rootn(float3 v, int3 r) { |
| 364 | float3 t = {1.f / r.x, 1.f / r.y, 1.f / r.z}; |
| 365 | return pow(v, t); |
| 366 | } |
| 367 | static float4 __attribute__((overloadable)) rootn(float4 v, int4 r) { |
| 368 | float4 t = {1.f / r.x, 1.f / r.y, 1.f / r.z, 1.f / r.w}; |
| 369 | return pow(v, t); |
| 370 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 371 | |
| 372 | extern float __attribute__((overloadable)) round(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 373 | DEF_FUNC_1(round) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 374 | |
| 375 | extern float __attribute__((overloadable)) sqrt(float); |
Shih-wei Liao | f1e6ec3 | 2010-06-14 17:34:25 -0700 | [diff] [blame^] | 376 | /*static float __attribute__((overloadable)) rsqrt(float v) { |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 377 | return 1.f / sqrt(v); |
| 378 | } |
Shih-wei Liao | f1e6ec3 | 2010-06-14 17:34:25 -0700 | [diff] [blame^] | 379 | DEF_FUNC_1(rsqrt)*/ |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 380 | |
| 381 | extern float __attribute__((overloadable)) sin(float); |
| 382 | DEF_FUNC_1(sin) |
| 383 | |
| 384 | static float __attribute__((overloadable)) sincos(float v, float *cosptr) { |
| 385 | *cosptr = cos(v); |
| 386 | return sin(v); |
| 387 | } |
| 388 | static float2 __attribute__((overloadable)) sincos(float2 v, float2 *cosptr) { |
| 389 | *cosptr = cos(v); |
| 390 | return sin(v); |
| 391 | } |
| 392 | static float3 __attribute__((overloadable)) sincos(float3 v, float3 *cosptr) { |
| 393 | *cosptr = cos(v); |
| 394 | return sin(v); |
| 395 | } |
| 396 | static float4 __attribute__((overloadable)) sincos(float4 v, float4 *cosptr) { |
| 397 | *cosptr = cos(v); |
| 398 | return sin(v); |
| 399 | } |
| 400 | |
| 401 | extern float __attribute__((overloadable)) sinh(float); |
| 402 | DEF_FUNC_1(sinh) |
| 403 | |
| 404 | static float __attribute__((overloadable)) sinpi(float v) { |
| 405 | return sin(v * M_PI); |
| 406 | } |
| 407 | DEF_FUNC_1(sinpi) |
| 408 | |
| 409 | DEF_FUNC_1(sqrt) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 410 | |
| 411 | extern float __attribute__((overloadable)) tan(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 412 | DEF_FUNC_1(tan) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 413 | |
| 414 | extern float __attribute__((overloadable)) tanh(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 415 | DEF_FUNC_1(tanh) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 416 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 417 | static float __attribute__((overloadable)) tanpi(float v) { |
| 418 | return tan(v * M_PI); |
| 419 | } |
| 420 | DEF_FUNC_1(tanpi) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 421 | |
| 422 | extern float __attribute__((overloadable)) tgamma(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 423 | DEF_FUNC_1(tgamma) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 424 | |
| 425 | extern float __attribute__((overloadable)) trunc(float); |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 426 | DEF_FUNC_1(trunc) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 427 | |
| 428 | // Int ops (partial), 6.11.3 |
| 429 | extern uint __attribute__((overloadable)) abs(int); |
| 430 | extern ushort __attribute__((overloadable)) abs(short); |
| 431 | extern uchar __attribute__((overloadable)) abs(char); |
| 432 | |
| 433 | extern uint __attribute__((overloadable)) clz(uint); |
| 434 | extern int __attribute__((overloadable)) clz(int); |
| 435 | extern ushort __attribute__((overloadable)) clz(ushort); |
| 436 | extern short __attribute__((overloadable)) clz(short); |
| 437 | extern uchar __attribute__((overloadable)) clz(uchar); |
| 438 | extern char __attribute__((overloadable)) clz(char); |
| 439 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 440 | static uint __attribute__((overloadable)) min(uint v1, uint v2) { |
| 441 | return v1 < v2 ? v1 : v2; |
| 442 | } |
| 443 | static int __attribute__((overloadable)) min(int v1, int v2) { |
| 444 | return v1 < v2 ? v1 : v2; |
| 445 | } |
| 446 | static ushort __attribute__((overloadable)) min(ushort v1, ushort v2) { |
| 447 | return v1 < v2 ? v1 : v2; |
| 448 | } |
| 449 | static short __attribute__((overloadable)) min(short v1, short v2) { |
| 450 | return v1 < v2 ? v1 : v2; |
| 451 | } |
| 452 | static uchar __attribute__((overloadable)) min(uchar v1, uchar v2) { |
| 453 | return v1 < v2 ? v1 : v2; |
| 454 | } |
| 455 | static char __attribute__((overloadable)) min(char v1, char v2) { |
| 456 | return v1 < v2 ? v1 : v2; |
| 457 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 458 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 459 | static uint __attribute__((overloadable)) max(uint v1, uint v2) { |
| 460 | return v1 > v2 ? v1 : v2; |
| 461 | } |
| 462 | static int __attribute__((overloadable)) max(int v1, int v2) { |
| 463 | return v1 > v2 ? v1 : v2; |
| 464 | } |
| 465 | static ushort __attribute__((overloadable)) max(ushort v1, ushort v2) { |
| 466 | return v1 > v2 ? v1 : v2; |
| 467 | } |
| 468 | static short __attribute__((overloadable)) max(short v1, short v2) { |
| 469 | return v1 > v2 ? v1 : v2; |
| 470 | } |
| 471 | static uchar __attribute__((overloadable)) max(uchar v1, uchar v2) { |
| 472 | return v1 > v2 ? v1 : v2; |
| 473 | } |
| 474 | static char __attribute__((overloadable)) max(char v1, char v2) { |
| 475 | return v1 > v2 ? v1 : v2; |
| 476 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 477 | |
| 478 | |
| 479 | |
| 480 | |
| 481 | // 6.11.4 |
| 482 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 483 | static float __attribute__((overloadable)) clamp(float amount, float low, float high) { |
| 484 | return amount < low ? low : (amount > high ? high : amount); |
| 485 | } |
| 486 | static float2 __attribute__((overloadable)) clamp(float2 amount, float2 low, float2 high) { |
| 487 | float2 r; |
| 488 | r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); |
| 489 | r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); |
| 490 | return r; |
| 491 | } |
| 492 | static float3 __attribute__((overloadable)) clamp(float3 amount, float3 low, float3 high) { |
| 493 | float3 r; |
| 494 | r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); |
| 495 | r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); |
| 496 | r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); |
| 497 | return r; |
| 498 | } |
| 499 | static float4 __attribute__((overloadable)) clamp(float4 amount, float4 low, float4 high) { |
| 500 | float4 r; |
| 501 | r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); |
| 502 | r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); |
| 503 | r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); |
| 504 | r.w = amount.w < low.w ? low.w : (amount.w > high.w ? high.w : amount.w); |
| 505 | return r; |
| 506 | } |
| 507 | static float2 __attribute__((overloadable)) clamp(float2 amount, float low, float high) { |
| 508 | float2 r; |
| 509 | r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); |
| 510 | r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); |
| 511 | return r; |
| 512 | } |
| 513 | static float3 __attribute__((overloadable)) clamp(float3 amount, float low, float high) { |
| 514 | float3 r; |
| 515 | r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); |
| 516 | r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); |
| 517 | r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); |
| 518 | return r; |
| 519 | } |
| 520 | static float4 __attribute__((overloadable)) clamp(float4 amount, float low, float high) { |
| 521 | float4 r; |
| 522 | r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); |
| 523 | r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); |
| 524 | r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); |
| 525 | r.w = amount.w < low ? low : (amount.w > high ? high : amount.w); |
| 526 | return r; |
| 527 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 528 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 529 | static float __attribute__((overloadable)) degrees(float radians) { |
| 530 | return radians * (180.f / M_PI); |
| 531 | } |
| 532 | DEF_FUNC_1(degrees) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 533 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 534 | static float __attribute__((overloadable)) max(float v1, float v2) { |
| 535 | return v1 > v2 ? v1 : v2; |
| 536 | } |
| 537 | static float2 __attribute__((overloadable)) max(float2 v1, float2 v2) { |
| 538 | float2 r; |
| 539 | r.x = v1.x > v2.x ? v1.x : v2.x; |
| 540 | r.y = v1.y > v2.y ? v1.y : v2.y; |
| 541 | return r; |
| 542 | } |
| 543 | static float3 __attribute__((overloadable)) max(float3 v1, float3 v2) { |
| 544 | float3 r; |
| 545 | r.x = v1.x > v2.x ? v1.x : v2.x; |
| 546 | r.y = v1.y > v2.y ? v1.y : v2.y; |
| 547 | r.z = v1.z > v2.z ? v1.z : v2.z; |
| 548 | return r; |
| 549 | } |
| 550 | static float4 __attribute__((overloadable)) max(float4 v1, float4 v2) { |
| 551 | float4 r; |
| 552 | r.x = v1.x > v2.x ? v1.x : v2.x; |
| 553 | r.y = v1.y > v2.y ? v1.y : v2.y; |
| 554 | r.z = v1.z > v2.z ? v1.z : v2.z; |
| 555 | r.w = v1.w > v2.w ? v1.w : v2.w; |
| 556 | return r; |
| 557 | } |
| 558 | static float2 __attribute__((overloadable)) max(float2 v1, float v2) { |
| 559 | float2 r; |
| 560 | r.x = v1.x > v2 ? v1.x : v2; |
| 561 | r.y = v1.y > v2 ? v1.y : v2; |
| 562 | return r; |
| 563 | } |
| 564 | static float3 __attribute__((overloadable)) max(float3 v1, float v2) { |
| 565 | float3 r; |
| 566 | r.x = v1.x > v2 ? v1.x : v2; |
| 567 | r.y = v1.y > v2 ? v1.y : v2; |
| 568 | r.z = v1.z > v2 ? v1.z : v2; |
| 569 | return r; |
| 570 | } |
| 571 | static float4 __attribute__((overloadable)) max(float4 v1, float v2) { |
| 572 | float4 r; |
| 573 | r.x = v1.x > v2 ? v1.x : v2; |
| 574 | r.y = v1.y > v2 ? v1.y : v2; |
| 575 | r.z = v1.z > v2 ? v1.z : v2; |
| 576 | r.w = v1.w > v2 ? v1.w : v2; |
| 577 | return r; |
| 578 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 579 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 580 | static float __attribute__((overloadable)) min(float v1, float v2) { |
| 581 | return v1 < v2 ? v1 : v2; |
| 582 | } |
| 583 | static float2 __attribute__((overloadable)) min(float2 v1, float2 v2) { |
| 584 | float2 r; |
| 585 | r.x = v1.x < v2.x ? v1.x : v2.x; |
| 586 | r.y = v1.y < v2.y ? v1.y : v2.y; |
| 587 | return r; |
| 588 | } |
| 589 | static float3 __attribute__((overloadable)) min(float3 v1, float3 v2) { |
| 590 | float3 r; |
| 591 | r.x = v1.x < v2.x ? v1.x : v2.x; |
| 592 | r.y = v1.y < v2.y ? v1.y : v2.y; |
| 593 | r.z = v1.z < v2.z ? v1.z : v2.z; |
| 594 | return r; |
| 595 | } |
| 596 | static float4 __attribute__((overloadable)) min(float4 v1, float4 v2) { |
| 597 | float4 r; |
| 598 | r.x = v1.x < v2.x ? v1.x : v2.x; |
| 599 | r.y = v1.y < v2.y ? v1.y : v2.y; |
| 600 | r.z = v1.z < v2.z ? v1.z : v2.z; |
| 601 | r.w = v1.w < v2.w ? v1.w : v2.w; |
| 602 | return r; |
| 603 | } |
| 604 | static float2 __attribute__((overloadable)) min(float2 v1, float v2) { |
| 605 | float2 r; |
| 606 | r.x = v1.x < v2 ? v1.x : v2; |
| 607 | r.y = v1.y < v2 ? v1.y : v2; |
| 608 | return r; |
| 609 | } |
| 610 | static float3 __attribute__((overloadable)) min(float3 v1, float v2) { |
| 611 | float3 r; |
| 612 | r.x = v1.x < v2 ? v1.x : v2; |
| 613 | r.y = v1.y < v2 ? v1.y : v2; |
| 614 | r.z = v1.z < v2 ? v1.z : v2; |
| 615 | return r; |
| 616 | } |
| 617 | static float4 __attribute__((overloadable)) min(float4 v1, float v2) { |
| 618 | float4 r; |
| 619 | r.x = v1.x < v2 ? v1.x : v2; |
| 620 | r.y = v1.y < v2 ? v1.y : v2; |
| 621 | r.z = v1.z < v2 ? v1.z : v2; |
| 622 | r.w = v1.w < v2 ? v1.w : v2; |
| 623 | return r; |
| 624 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 625 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 626 | static float __attribute__((overloadable)) mix(float start, float stop, float amount) { |
| 627 | return start + (stop - start) * amount; |
| 628 | } |
| 629 | static float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float2 amount) { |
| 630 | return start + (stop - start) * amount; |
| 631 | } |
| 632 | static float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float3 amount) { |
| 633 | return start + (stop - start) * amount; |
| 634 | } |
| 635 | static float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float4 amount) { |
| 636 | return start + (stop - start) * amount; |
| 637 | } |
| 638 | static float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float amount) { |
| 639 | return start + (stop - start) * amount; |
| 640 | } |
| 641 | static float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float amount) { |
| 642 | return start + (stop - start) * amount; |
| 643 | } |
| 644 | static float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float amount) { |
| 645 | return start + (stop - start) * amount; |
| 646 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 647 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 648 | static float __attribute__((overloadable)) radians(float degrees) { |
| 649 | return degrees * (M_PI / 180.f); |
| 650 | } |
| 651 | DEF_FUNC_1(radians) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 652 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 653 | static float __attribute__((overloadable)) step(float edge, float v) { |
| 654 | return (v < edge) ? 0.f : 1.f; |
| 655 | } |
| 656 | static float2 __attribute__((overloadable)) step(float2 edge, float2 v) { |
| 657 | float2 r; |
| 658 | r.x = (v.x < edge.x) ? 0.f : 1.f; |
| 659 | r.y = (v.y < edge.y) ? 0.f : 1.f; |
| 660 | return r; |
| 661 | } |
| 662 | static float3 __attribute__((overloadable)) step(float3 edge, float3 v) { |
| 663 | float3 r; |
| 664 | r.x = (v.x < edge.x) ? 0.f : 1.f; |
| 665 | r.y = (v.y < edge.y) ? 0.f : 1.f; |
| 666 | r.z = (v.z < edge.z) ? 0.f : 1.f; |
| 667 | return r; |
| 668 | } |
| 669 | static float4 __attribute__((overloadable)) step(float4 edge, float4 v) { |
| 670 | float4 r; |
| 671 | r.x = (v.x < edge.x) ? 0.f : 1.f; |
| 672 | r.y = (v.y < edge.y) ? 0.f : 1.f; |
| 673 | r.z = (v.z < edge.z) ? 0.f : 1.f; |
| 674 | r.w = (v.w < edge.w) ? 0.f : 1.f; |
| 675 | return r; |
| 676 | } |
| 677 | static float2 __attribute__((overloadable)) step(float2 edge, float v) { |
| 678 | float2 r; |
| 679 | r.x = (v < edge.x) ? 0.f : 1.f; |
| 680 | r.y = (v < edge.y) ? 0.f : 1.f; |
| 681 | return r; |
| 682 | } |
| 683 | static float3 __attribute__((overloadable)) step(float3 edge, float v) { |
| 684 | float3 r; |
| 685 | r.x = (v < edge.x) ? 0.f : 1.f; |
| 686 | r.y = (v < edge.y) ? 0.f : 1.f; |
| 687 | r.z = (v < edge.z) ? 0.f : 1.f; |
| 688 | return r; |
| 689 | } |
| 690 | static float4 __attribute__((overloadable)) step(float4 edge, float v) { |
| 691 | float4 r; |
| 692 | r.x = (v < edge.x) ? 0.f : 1.f; |
| 693 | r.y = (v < edge.y) ? 0.f : 1.f; |
| 694 | r.z = (v < edge.z) ? 0.f : 1.f; |
| 695 | r.w = (v < edge.w) ? 0.f : 1.f; |
| 696 | return r; |
| 697 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 698 | |
| 699 | extern float __attribute__((overloadable)) smoothstep(float, float, float); |
| 700 | extern float2 __attribute__((overloadable)) smoothstep(float2, float2, float2); |
| 701 | extern float3 __attribute__((overloadable)) smoothstep(float3, float3, float3); |
| 702 | extern float4 __attribute__((overloadable)) smoothstep(float4, float4, float4); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 703 | extern float2 __attribute__((overloadable)) smoothstep(float, float, float2); |
| 704 | extern float3 __attribute__((overloadable)) smoothstep(float, float, float3); |
| 705 | extern float4 __attribute__((overloadable)) smoothstep(float, float, float4); |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 706 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 707 | static float __attribute__((overloadable)) sign(float v) { |
| 708 | if (v > 0) return 1.f; |
| 709 | if (v < 0) return -1.f; |
| 710 | return v; |
| 711 | } |
| 712 | DEF_FUNC_1(sign) |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 713 | |
| 714 | // 6.11.5 |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 715 | static float3 __attribute__((overloadable)) cross(float3 lhs, float3 rhs) { |
| 716 | float3 r; |
| 717 | r.x = lhs.y * rhs.z - lhs.z * rhs.y; |
| 718 | r.y = lhs.z * rhs.x - lhs.x * rhs.z; |
| 719 | r.z = lhs.x * rhs.y - lhs.y * rhs.x; |
| 720 | return r; |
| 721 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 722 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 723 | static float4 __attribute__((overloadable)) cross(float4 lhs, float4 rhs) { |
| 724 | float4 r; |
| 725 | r.x = lhs.y * rhs.z - lhs.z * rhs.y; |
| 726 | r.y = lhs.z * rhs.x - lhs.x * rhs.z; |
| 727 | r.z = lhs.x * rhs.y - lhs.y * rhs.x; |
| 728 | r.w = 0.f; |
| 729 | return r; |
| 730 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 731 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 732 | static float __attribute__((overloadable)) dot(float lhs, float rhs) { |
| 733 | return lhs * rhs; |
| 734 | } |
| 735 | static float __attribute__((overloadable)) dot(float2 lhs, float2 rhs) { |
| 736 | return lhs.x*rhs.x + lhs.y*rhs.y; |
| 737 | } |
| 738 | static float __attribute__((overloadable)) dot(float3 lhs, float3 rhs) { |
| 739 | return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z; |
| 740 | } |
| 741 | static float __attribute__((overloadable)) dot(float4 lhs, float4 rhs) { |
| 742 | return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z + lhs.w*rhs.w; |
| 743 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 744 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 745 | static float __attribute__((overloadable)) length(float v) { |
| 746 | return v; |
| 747 | } |
| 748 | static float __attribute__((overloadable)) length(float2 v) { |
| 749 | return sqrt(v.x*v.x + v.y*v.y); |
| 750 | } |
| 751 | static float __attribute__((overloadable)) length(float3 v) { |
| 752 | return sqrt(v.x*v.x + v.y*v.y + v.z*v.z); |
| 753 | } |
| 754 | static float __attribute__((overloadable)) length(float4 v) { |
| 755 | return sqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w); |
| 756 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 757 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 758 | static float __attribute__((overloadable)) distance(float lhs, float rhs) { |
| 759 | return length(lhs - rhs); |
| 760 | } |
| 761 | static float __attribute__((overloadable)) distance(float2 lhs, float2 rhs) { |
| 762 | return length(lhs - rhs); |
| 763 | } |
| 764 | static float __attribute__((overloadable)) distance(float3 lhs, float3 rhs) { |
| 765 | return length(lhs - rhs); |
| 766 | } |
| 767 | static float __attribute__((overloadable)) distance(float4 lhs, float4 rhs) { |
| 768 | return length(lhs - rhs); |
| 769 | } |
Jason Sams | 22fa371 | 2010-05-19 17:22:57 -0700 | [diff] [blame] | 770 | |
Jason Sams | 1b937f5 | 2010-06-09 14:26:16 -0700 | [diff] [blame] | 771 | static float __attribute__((overloadable)) normalize(float v) { |
| 772 | return 1.f; |
| 773 | } |
| 774 | static float2 __attribute__((overloadable)) normalize(float2 v) { |
| 775 | return v / length(v); |
| 776 | } |
| 777 | static float3 __attribute__((overloadable)) normalize(float3 v) { |
| 778 | return v / length(v); |
| 779 | } |
| 780 | static float4 __attribute__((overloadable)) normalize(float4 v) { |
| 781 | return v / length(v); |
| 782 | } |
| 783 | |
| 784 | |
| 785 | #endif |