70a270da5f
v2: fix fmax implementation
use consistent checks for __CLC_FP_SIZE
add missing TODOs
fix whitespace in definitions.h
v3: undef ZERO in modf.inc
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
reviewer: Jeroen Ketema <j.ketema@xs4all.nl>
Reviewed-by: Aaron Watry <awatry@gmail.com>
Tested-by: Aaron Watry <awatry@gmail.com>
llvm-svn: 332677
47 lines
1.1 KiB
Common Lisp
47 lines
1.1 KiB
Common Lisp
#include <clc/clc.h>
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#include "../../../generic/lib/clcmacro.h"
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_CLC_DEF _CLC_OVERLOAD float fmax(float x, float y)
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{
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/* fcanonicalize removes sNaNs and flushes denormals if not enabled.
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* Otherwise fmax instruction flushes the values for comparison,
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* but outputs original denormal */
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x = __builtin_canonicalizef(x);
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y = __builtin_canonicalizef(y);
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return __builtin_fmaxf(x, y);
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}
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_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, fmax, float, 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_DEF _CLC_OVERLOAD double fmax(double x, double y)
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{
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x = __builtin_canonicalize(x);
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y = __builtin_canonicalize(y);
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return __builtin_fmax(x, y);
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}
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_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, fmax, double, double)
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#endif
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#ifdef cl_khr_fp16
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#pragma OPENCL EXTENSION cl_khr_fp16 : enable
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_CLC_DEF _CLC_OVERLOAD half fmax(half x, half y)
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{
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if (isnan(x))
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return y;
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if (isnan(y))
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return x;
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return (y < x) ? x : y;
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}
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_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, half, fmax, half, half)
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#endif
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#define __CLC_BODY <../../../generic/lib/math/fmax.inc>
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#include <clc/math/gentype.inc>
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