libclc/generic/lib/math/rsqrt.cl

   1 #include <clc/clc.h>
   2
   3 #include "../clcmacro.h"
   4
   5 _CLC_OVERLOAD _CLC_DEF float rsqrt(float x)
   6 {
   7     return 1.0f / sqrt(x);
   8 }
   9
  10 _CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, rsqrt, float);
  11
  12 #ifdef cl_khr_fp64
  13
  14 #pragma OPENCL EXTENSION cl_khr_fp64 : enable
  15
  16 _CLC_OVERLOAD _CLC_DEF double rsqrt(double x)
  17 {
  18     return 1.0 / sqrt(x);
  19 }
  20
  21 _CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, rsqrt, double);
  22
  23 #endif