libclc/generic/lib/math/rsqrt.cl

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