sf_infinity.c

cygwin, 著名的在win32下模拟unix操作系统的东东

/*
 * infinityf () returns the representation of infinity.
 * Added by Cygnus Support.
 */

#include "fdlibm.h"

	float infinityf()
{
	float x;

	SET_FLOAT_WORD(x,0x7f800000);
	return x;
}

#ifdef _DOUBLE_IS_32BITS

	double infinity()
{
	return (double) infinityf();
}

#endif /* defined(_DOUBLE_IS_32BITS) */