Mon Mar 4 20:54:40 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>

* 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.
2025-12-24 17:51:17 +03:00 · 1996-03-05 21:41:30 +00:00
parent 1521668f2a
commit f7eac6eb50
210 changed files with 16857 additions and 296 deletions
--- a/sysdeps/libm-ieee754/w_j0f.c
+++ b/sysdeps/libm-ieee754/w_j0f.c
@@ -0,0 +1,76 @@
+/* w_j0f.c -- float version of w_j0.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: w_j0f.c,v 1.3 1995/05/10 20:49:13 jtc Exp $";
+#endif
+
+/*
+ * wrapper j0f(float x), y0f(float x)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	float __j0f(float x)		/* wrapper j0f */
+#else
+	float __j0f(x)			/* wrapper j0f */
+	float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_j0f(x);
+#else
+	float z = __ieee754_j0f(x);
+	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
+	if(fabsf(x)>(float)X_TLOSS) {
+		/* j0f(|x|>X_TLOSS) */
+	        return (float)__kernel_standard((double)x,(double)x,134);
+	} else
+	    return z;
+#endif
+}
+weak_alias (__j0f, j0f)
+
+#ifdef __STDC__
+	float __y0f(float x)		/* wrapper y0f */
+#else
+	float __y0f(x)			/* wrapper y0f */
+	float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_y0f(x);
+#else
+	float z;
+	z = __ieee754_y0f(x);
+	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
+        if(x <= (float)0.0){
+                if(x==(float)0.0)
+                    /* d= -one/(x-x); */
+                    return (float)__kernel_standard((double)x,(double)x,108);
+                else
+                    /* d = zero/(x-x); */
+                    return (float)__kernel_standard((double)x,(double)x,109);
+        }
+	if(x>(float)X_TLOSS) {
+		/* y0(x>X_TLOSS) */
+	        return (float)__kernel_standard((double)x,(double)x,135);
+	} else
+	    return z;
+#endif
+}
+weak_alias (__y0f, y0f)