1996-03-05 22:41:30 +01:00
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/* s_isnanf.c -- float version of s_isnan.c.
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* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
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*/
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/*
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* ====================================================
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2011-10-08 16:18:26 +02:00
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* Copyright (C) 1993, 2011 by Sun Microsystems, Inc. All rights reserved.
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1996-03-05 22:41:30 +01:00
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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2002-04-14 19:55:43 +02:00
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* software is freely granted, provided that this notice
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1996-03-05 22:41:30 +01:00
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* is preserved.
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* ====================================================
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*/
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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: s_isnanf.c,v 1.4 1995/05/10 20:47:38 jtc Exp $";
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#endif
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/*
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* isnanf(x) returns 1 is x is nan, else 0;
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* no branching!
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*/
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#include "math.h"
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#include "math_private.h"
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2011-10-08 16:18:26 +02:00
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#undef __isnanf
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1996-03-05 22:41:30 +01:00
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#ifdef __STDC__
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int __isnanf(float x)
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#else
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int __isnanf(x)
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float x;
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#endif
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{
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int32_t ix;
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GET_FLOAT_WORD(ix,x);
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ix &= 0x7fffffff;
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ix = 0x7f800000 - ix;
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return (int)(((u_int32_t)(ix))>>31);
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}
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Update.
2002-09-09 Jakub Jelinek <jakub@redhat.com>
* include/math.h (__finite_internal, __finitef_internal,
__finitel_internal, __isinf_internal, __isnan_internal): Remove.
(isfinite): Remove.
(__finite, __isinf, __isnan, __finitef, __isinff, __isnanf, __finitel,
__isinfl, __isnanl): Add hidden_proto.
(__fpclassify, __fpclassifyf, __fpclassifyl, __expm1l): Add
libm_hidden_proto.
* math/Makefile (libm-calls): Add s_isinf and s_isnan.
* stdio-common/printf_fp.c (__printf_fp): Remove INTUSE from
__is{inf,nan} calls.
* stdio-common/printf_size.c (printf_size): Likewise.
* sysdeps/generic/printf_fphex.c (__printf_fphex): Likewise.
* sysdeps/generic/s_ldexp.c (__ldexp): Likewise.
* sysdeps/generic/s_ldexpf.c (__ldexpf): Likewise.
* sysdeps/generic/s_ldexpl.c (__ldexpl): Likewise.
* sysdeps/generic/s_expm1l.c (__expm1l): Add libm_hidden_def.
* sysdeps/i386/fpu/s_finite.S (__finite_internal): Remove alias.
(__finite): Add hidden_def.
* sysdeps/i386/fpu/s_finitef.S (__finitef_internal): Remove alias.
(__finitef): Add hidden_def.
* sysdeps/i386/fpu/s_finitel.S (__finitel_internal): Remove alias.
(__finitel): Add hidden_def.
* sysdeps/i386/fpu/s_isinfl.c (__isinfl): Remove INTDEF. Add
hidden_def.
* sysdeps/i386/fpu/s_isnanl.c (__isnanl): Likewise.
* sysdeps/i386/fpu/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/i386/fpu/s_expm1l.S (__expm1l): Likewise.
* sysdeps/ieee754/dbl-64/s_finite.c (__finite): Remove INTDEF. Add
hidden_def.
* sysdeps/ieee754/dbl-64/s_isinf.c (__isinf): Likewise.
(__isinfl): Remove INTDEF.
* sysdeps/ieee754/dbl-64/s_isnan.c (__isnan): Remove INTDEF. Add
hidden_def.
(__isnanl): Remove INTDEF.
* sysdeps/ieee754/dbl-64/s_fpclassify.c (__fpclassify): Add
libm_hidden_def.
* sysdeps/ieee754/dbl-64/e_lgamma_r.c (sin_pi): Use __sin and __cos
instead of sin and cos.
* sysdeps/ieee754/flt-32/s_finitef.c (__finitef): Remove INTDEF.
Add hidden_def.
* sysdeps/ieee754/flt-32/s_isinff.c (__isinff): Likewise.
* sysdeps/ieee754/flt-32/s_isnanf.c (__isnanf): Likewise.
* sysdeps/ieee754/flt-32/s_fpclassifyf.c (__fpclassifyf): Add
libm_hidden_def.
* sysdeps/ieee754/ldbl-128/s_finitel.c (__finitel): Remove INTDEF.
Add hidden_def.
* sysdeps/ieee754/ldbl-128/s_isinfl.c (__isinfl): Likewise.
* sysdeps/ieee754/ldbl-128/s_isnanl.c (__isnanl): Likewise.
* sysdeps/ieee754/ldbl-128/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Add
libm_hidden_def.
* sysdeps/ieee754/ldbl-96/s_finitel.c (__finitel): Remove INTDEF.
Add hidden_def.
* sysdeps/ieee754/ldbl-96/s_isinfl.c (__isinfl): Likewise.
* sysdeps/ieee754/ldbl-96/s_isnanl.c (__isnanl): Likewise.
* sysdeps/ieee754/ldbl-96/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/ia64/fpu/s_finite.S (__finite_internal, __finitef_internal,
__finitel_internal): Remove aliases.
(__finite, __finitef, __finitel): Add hidden_def.
* sysdeps/ia64/fpu/s_isnan.S (__isnan_internal, __isnanf_internal,
__isnanl_internal): Remove aliases.
(__isnan, __isnanf, __isnanl): Add hidden_def.
* sysdeps/ia64/fpu/s_isinf.S (__isinf_internal, __isinff_internal,
__isinfl_internal): Remove aliases.
(__isinf, __isinff, __isinfl): Add hidden_def.
* sysdeps/ia64/fpu/s_fpclassify.S (__fpclassify, __fpclassifyf,
__fpclassifyl): Add libm_hidden_def.
* sysdeps/ia64/fpu/s_expm1l.S (__expm1l): Likewise.
* sysdeps/m68k/s_isinfl.c (__isinfl): Remove INTDEF. Add hidden_def.
* sysdeps/m68k/fpu/s_isinf.c (INTDEFX): Remove.
(hidden_defx): Define and use.
* sysdeps/m68k/fpu/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/m68k/fpu/s_expm1l.c (__expm1l): Likewise.
* sysdeps/m68k/s_isnanl.c (__isnanl): Add hidden_def.
* sysdeps/powerpc/fpu/s_isnan.c (__isnan, __isnanf, __isnanl):
Remove INTDEF.
(__isnan, __isnanf): Add hidden_def.
* sysdeps/x86_64/fpu/s_finitel.S (__finitel_internal): Remove alias.
(__finitel): Add libm_hidden_def.
* sysdeps/x86_64/fpu/s_expm1l.S (__expm1l): Likewise.
* include/fenv.h (feraiseexcept, fesetenv): Add libm_hidden_proto.
* sysdeps/alpha/fpu/fesetenv.c (fesetenv): Add libm_hidden_ver.
* sysdeps/alpha/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/arm/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/arm/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/generic/fesetenv.c (fesetenv): Likewise.
* sysdeps/generic/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/i386/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/i386/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/m68k/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/m68k/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/mips/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/mips/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/powerpc/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/powerpc/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/sparc/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/sparc/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/hppa/fpu/fesetenv.c (fesetenv): Add libm_hidden_def.
* sysdeps/hppa/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/ia64/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/ia64/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/sh/sh4/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/s390/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/s390/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/x86_64/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
2002-09-10 03:40:26 +02:00
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hidden_def (__isnanf)
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1996-03-05 22:41:30 +01:00
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weak_alias (__isnanf, isnanf)
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