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#include <clc/clc.h>
#include "../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
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