driver/runtime/arch/dot_length.c

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "rs_types.rsh"

extern float __attribute__((overloadable)) dot(float lhs, float rhs) {
    return lhs * rhs;
}
extern float __attribute__((overloadable)) dot(float2 lhs, float2 rhs) {
    return lhs.x*rhs.x + lhs.y*rhs.y;
}
extern float __attribute__((overloadable)) dot(float3 lhs, float3 rhs) {
    return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z;
}
extern float __attribute__((overloadable)) dot(float4 lhs, float4 rhs) {
    return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z + lhs.w*rhs.w;
}

extern float __attribute__((overloadable)) fabs(float);
extern float __attribute__((overloadable)) sqrt(float);

extern float __attribute__((overloadable)) length(float v) {
    return fabs(v);
}
extern float __attribute__((overloadable)) length(float2 v) {
    return sqrt(v.x*v.x + v.y*v.y);
}
extern float __attribute__((overloadable)) length(float3 v) {
    return sqrt(v.x*v.x + v.y*v.y + v.z*v.z);
}
extern float __attribute__((overloadable)) length(float4 v) {
    return sqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w);
}