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Protect against undefinition/redefinition of fpclassify.

This commit is contained in:
Stephen Heumann 2021-11-28 19:39:03 -06:00
parent 6d8e019443
commit aaec648e69
1 changed files with 7 additions and 6 deletions
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13
ORCACDefs/math.h
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@ -43,16 +43,17 @@ int __fpclassifyl(long double);
int __signbit(long double);
int __fpcompare(long double, long double, short);
#define fpclassify(x) _Generic((x), \
#define __fpclassify(x) _Generic((x), \
float: __fpclassifyf, \
double: __fpclassifyd, \
long double: __fpclassifyl)(x)
#define isfinite(x) (((fpclassify(x) + 1) & 0xF0) == 0)
#define isinf(x) (fpclassify(x) == FP_INFINITE)
#define isnan(x) (fpclassify((long double)(x)) == FP_NAN)
#define isnormal(x) (fpclassify(x) == FP_NORMAL)
#define signbit(x) __signbit(x)
#define fpclassify(x) __fpclassify(x)
#define isfinite(x) (((__fpclassify(x) + 1) & 0xF0) == 0)
#define isinf(x) (__fpclassify(x) == FP_INFINITE)
#define isnan(x) (__fpclassify((long double)(x)) == FP_NAN)
#define isnormal(x) (__fpclassify(x) == FP_NORMAL)
#define signbit(x) __signbit(x)
#define isgreater(x,y) __fpcompare((x),(y),0x40)
#define isgreaterequal(x,y) __fpcompare((x),(y),0x42)