#include <clc/internal/clc.h>
#include <clc/relational/relational.h>

_CLC_DEFINE_RELATIONAL_UNARY(int, __clc_isnan, __builtin_isnan, float)

#ifdef cl_khr_fp64

#pragma OPENCL EXTENSION cl_khr_fp64 : enable

// The scalar version of __clc_isnan(double) returns an int, but the vector
// versions return long.
_CLC_DEF _CLC_OVERLOAD int __clc_isnan(double x) { return __builtin_isnan(x); }

_CLC_DEFINE_RELATIONAL_UNARY_VEC_ALL(long, __clc_isnan, double)

#endif

#ifdef cl_khr_fp16

#pragma OPENCL EXTENSION cl_khr_fp16 : enable

// The scalar version of __clc_isnan(half) returns an int, but the vector
// versions return short.
_CLC_DEF _CLC_OVERLOAD int __clc_isnan(half x) { return __builtin_isnan(x); }

_CLC_DEFINE_RELATIONAL_UNARY_VEC_ALL(short, __clc_isnan, half)

#endif