libc/newlib/libm/common/s_infinity.c

49 lines
685 B
C

/*
* infinity () returns the representation of infinity.
* Added by Cygnus Support.
*/
/*
FUNCTION
<<infinity>>, <<infinityf>>---representation of infinity
INDEX
infinity
INDEX
infinityf
ANSI_SYNOPSIS
#include <math.h>
double infinity(void);
float infinityf(void);
TRAD_SYNOPSIS
#include <math.h>
double infinity();
float infinityf();
DESCRIPTION
<<infinity>> and <<infinityf>> return the special number IEEE
infinity in double- and single-precision arithmetic
respectively.
QUICKREF
infinity - pure
*/
#include "fdlibm.h"
#ifndef _DOUBLE_IS_32BITS
double infinity()
{
double x;
INSERT_WORDS(x,0x7ff00000,0);
return x;
}
#endif /* _DOUBLE_IS_32BITS */