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#include <math.h>
int __isfinitef(float x);
int __isfinited(double x);
int __isfinitel(long double x);
#define isfinite(x) ((sizeof (x) == sizeof (float)) ? __isfinitef(x) : \
(sizeof (x) == sizeof (double)) ? __isfinited(x) : __isfinitel(x))
/*
STDC(199901)
LINK(m)
*/
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