libclc/generic/lib/math/copysign.cl

   1 #include <clc/clc.h>
   2 #include <clc/clcmacro.h>
   3
   4 _CLC_DEFINE_BINARY_BUILTIN(float, copysign, __builtin_copysignf, float, float)
   5
   6 #ifdef cl_khr_fp64
   7
   8 #pragma OPENCL EXTENSION cl_khr_fp64 : enable
   9
  10 _CLC_DEFINE_BINARY_BUILTIN(double, copysign, __builtin_copysign, double, double)
  11
  12 #endif
  13
  14 #ifdef cl_khr_fp16
  15
  16 #pragma OPENCL EXTENSION cl_khr_fp16 : enable
  17
  18 _CLC_DEF _CLC_OVERLOAD half copysign(half x, half y)
  19 {
  20    ushort sign_x = as_ushort(x) & 0x8000u;
  21    ushort unsigned_y = as_ushort(y) & 0x7ffffu;
  22
  23    return as_half((ushort)(sign_x | unsigned_y));
  24 }
  25 _CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, half, copysign, half, half)
  26
  27 #endif