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#if 0
# define TGSOURCE "tgamma.c"
#include "_tgmath.h"
#include <math.h>
#include <fenv.h>
TYPE TGFN(tgamma)(TYPE x)
{
switch (fpclassify(x)) {
case FP_ZERO:
feraiseexcept(FE_DIVBYZERO);
return signbit(x) ? - INFINITY : INFINITY;
case FP_INFINITE:
if (signbit(x)) {
feraiseexcept(FE_INVALID);
return NAN;
} else {
return INFINITY;
}
default:
break;
}
return x;
}
/*
STDC(199901)
LINK(m)
*/
#endif
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