libc/newlib/libm/common/sf_nan.c

/*
 * nanf () returns a nan.
 * Added by Cygnus Support.
 */

#include "fdlibm.h"

	float nanf(const char *unused)
{
	float x;

#if __GNUC_PREREQ (3, 3)
	x = __builtin_nanf("");
#else
	SET_FLOAT_WORD(x,0x7fc00000);
#endif
	return x;
}

#ifdef _DOUBLE_IS_32BITS

	double nan(const char *arg)
{
	return (double) nanf(arg);
}

#endif /* defined(_DOUBLE_IS_32BITS) */
import newlib-2000-02-17 snapshot 2000-02-17 20:39:52 +01:00			`/*`
			`* nanf () returns a nan.`
			`* Added by Cygnus Support.`
			`*/`

			`#include "fdlibm.h"`

* libc/include/math.h (nan, nanf): Update prototype to C99. * libm/common/s_nan.c (nan): Likewise. * libm/common/s_nanf.c (nanf, nan): Likewise. * libc/sys/linux/cmath/math_private.h (nan, nanf): Likewise. 2003-07-09 19:52:31 +02:00			`float nanf(const char *unused)`
import newlib-2000-02-17 snapshot 2000-02-17 20:39:52 +01:00			`{`
			`float x;`

2014-03-21 Maciej W. Rozycki <macro@codesourcery.com> * libc/stdlib/gd_qnan.h (f_QNAN, d_QNAN0, d_QNAN1): Add MIPS versions. (ld_QNAN0, ld_QNAN1, ld_QNAN2, ld_QNAN3): Don't define for MIPS. (ldus_QNAN0, ldus_QNAN1, ldus_QNAN2, ldus_QNAN3, ldus_QNAN4): Likewise. * libc/stdlib/ldtoa.c (nan113, nan64, nan53, nan24): Add MIPS versions. (enan): Handle legacy MIPS payloads. * libm/common/s_nan.c (nan): Use __builtin_nan if supported by the compiler. * libm/common/sf_nan.c (nanf): Likewise. 2014-03-21 22:27:29 +01:00			`#if __GNUC_PREREQ (3, 3)`
			`x = __builtin_nanf("");`
			`#else`
import newlib-2000-02-17 snapshot 2000-02-17 20:39:52 +01:00			`SET_FLOAT_WORD(x,0x7fc00000);`
2014-03-21 Maciej W. Rozycki <macro@codesourcery.com> * libc/stdlib/gd_qnan.h (f_QNAN, d_QNAN0, d_QNAN1): Add MIPS versions. (ld_QNAN0, ld_QNAN1, ld_QNAN2, ld_QNAN3): Don't define for MIPS. (ldus_QNAN0, ldus_QNAN1, ldus_QNAN2, ldus_QNAN3, ldus_QNAN4): Likewise. * libc/stdlib/ldtoa.c (nan113, nan64, nan53, nan24): Add MIPS versions. (enan): Handle legacy MIPS payloads. * libm/common/s_nan.c (nan): Use __builtin_nan if supported by the compiler. * libm/common/sf_nan.c (nanf): Likewise. 2014-03-21 22:27:29 +01:00			`#endif`
import newlib-2000-02-17 snapshot 2000-02-17 20:39:52 +01:00			`return x;`
			`}`

			`#ifdef _DOUBLE_IS_32BITS`

* libc/include/math.h (nan, nanf): Update prototype to C99. * libm/common/s_nan.c (nan): Likewise. * libm/common/s_nanf.c (nanf, nan): Likewise. * libc/sys/linux/cmath/math_private.h (nan, nanf): Likewise. 2003-07-09 19:52:31 +02:00			`double nan(const char *arg)`
import newlib-2000-02-17 snapshot 2000-02-17 20:39:52 +01:00			`{`
* libc/include/math.h (nan, nanf): Update prototype to C99. * libm/common/s_nan.c (nan): Likewise. * libm/common/s_nanf.c (nanf, nan): Likewise. * libc/sys/linux/cmath/math_private.h (nan, nanf): Likewise. 2003-07-09 19:52:31 +02:00			`return (double) nanf(arg);`
import newlib-2000-02-17 snapshot 2000-02-17 20:39:52 +01:00			`}`

			`#endif /* defined(_DOUBLE_IS_32BITS) */`
* libc/include/machine/ieeefp.h: Comment about new configuration macros _FLT_LARGEST_EXPONENT_IS_NORMAL and _FLT_NO_DENORMALS. * libm/common/fdlib.h: Define new macros for testing floats. * libm/common/sf_: Use them. libm/math/ef_: Likewise. libm/math/sf_*: Likewise. 2001-04-04 15:33:01 +02:00