| #include <clc/clc.h> |
| #include <clc/clcmacro.h> |
| |
| #define SIGN(TYPE, F) \ |
| _CLC_DEF _CLC_OVERLOAD TYPE sign(TYPE x) { \ |
| if (isnan(x)) { \ |
| return 0.0F; \ |
| } \ |
| if (x > 0.0F) { \ |
| return 1.0F; \ |
| } \ |
| if (x < 0.0F) { \ |
| return -1.0F; \ |
| } \ |
| return x; /* -0.0 or +0.0 */ \ |
| } |
| |
| SIGN(float, f) |
| _CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, sign, float) |
| |
| #ifdef cl_khr_fp64 |
| |
| #pragma OPENCL EXTENSION cl_khr_fp64 : enable |
| |
| SIGN(double, ) |
| _CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, sign, double) |
| |
| #endif |
| |
| #ifdef cl_khr_fp16 |
| |
| #pragma OPENCL EXTENSION cl_khr_fp16 : enable |
| |
| SIGN(half,) |
| _CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, half, sign, half) |
| |
| #endif |
