27 lines
486 B
Common Lisp
27 lines
486 B
Common Lisp
#include <clc/clc.h>
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#include "../clcmacro.h"
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/*
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*log(x) = log2(x) * (1/log2(e))
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*/
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_CLC_OVERLOAD _CLC_DEF float log(float x)
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{
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return log2(x) * (1.0f / M_LOG2E_F);
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}
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_CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, log, float);
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#ifdef cl_khr_fp64
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#pragma OPENCL EXTENSION cl_khr_fp64 : enable
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_CLC_OVERLOAD _CLC_DEF double log(double x)
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{
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return log2(x) * (1.0 / M_LOG2E);
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}
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_CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, log, double);
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#endif // cl_khr_fp64
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