f7eac6eb50
* Makeconfig ($(common-objpfx)config.make): Depend on config.h.in. Mon Mar 4 17:35:09 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu> * hurd/catch-signal.c (hurd_safe_memmove): New function. (hurd_safe_copyin, hurd_safe_copyout): New functions. * hurd/hurd/sigpreempt.h: Declare them. Sun Mar 3 08:43:44 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu> Replace math code with fdlibm from Sun as modified for netbsd by JT Conklin and Ian Taylor, including x86 FPU support. * sysdeps/libm-ieee754, sysdeps/libm-i387: New directories. * math/math_private.h: New file. * sysdeps/i386/fpu/Implies: New file. * sysdeps/ieee754/Implies: New file. * math/machine/asm.h, math/machine/endian.h: New files. * math/Makefile, math/math.h: Rewritten. * mathcalls.h, math/mathcalls.h: New file, broken out of math.h. * math/finite.c: File removed. * sysdeps/generic/Makefile [$(subdir)=math]: Frobnication removed. * math/test-math.c: Include errno.h and string.h. * sysdeps/unix/bsd/dirstream.h: File removed. * sysdeps/unix/bsd/readdir.c: File removed.
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* w_jnf.c -- float version of w_jn.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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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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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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* software is freely granted, provided that this notice
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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: w_jnf.c,v 1.3 1995/05/10 20:49:21 jtc Exp $";
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#endif
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#include "math.h"
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#include "math_private.h"
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#ifdef __STDC__
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float __jnf(int n, float x) /* wrapper jnf */
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#else
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float __jnf(n,x) /* wrapper jnf */
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float x; int n;
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#endif
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{
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#ifdef _IEEE_LIBM
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return __ieee754_jnf(n,x);
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#else
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float z;
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z = __ieee754_jnf(n,x);
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if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
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if(fabsf(x)>(float)X_TLOSS) {
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/* jn(|x|>X_TLOSS,n) */
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return (float)__kernel_standard((double)n,(double)x,138);
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} else
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return z;
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#endif
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}
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weak_alias (__jnf, jnf)
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#ifdef __STDC__
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float __ynf(int n, float x) /* wrapper ynf */
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#else
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float __ynf(n,x) /* wrapper ynf */
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float x; int n;
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#endif
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{
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#ifdef _IEEE_LIBM
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return __ieee754_ynf(n,x);
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#else
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float z;
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z = __ieee754_ynf(n,x);
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if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
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if(x <= (float)0.0){
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if(x==(float)0.0)
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/* d= -one/(x-x); */
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return (float)__kernel_standard((double)n,(double)x,112);
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else
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/* d = zero/(x-x); */
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return (float)__kernel_standard((double)n,(double)x,113);
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}
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if(x>(float)X_TLOSS) {
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/* yn(x>X_TLOSS,n) */
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return (float)__kernel_standard((double)n,(double)x,139);
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} else
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return z;
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#endif
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}
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weak_alias (__ynf, ynf)
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