Update. cvs/libc-ud-970414 cvs/libc-970430 cvs/libc-970429 cvs/libc-970428 cvs/libc-970427 cvs/libc-970426 cvs/libc-970425 cvs/libc-970424 cvs/libc-970423 cvs/libc-970422 cvs/libc-970421 cvs/libc-970420 cvs/libc-970419 cvs/libc-970418 cvs/libc-970417 cvs/libc-970416 cvs/libc-970415

1997-04-15 03:14  Ulrich Drepper  <drepper@cygnus.com>

	* wcsmbs/wcsstr.c: Add weak alias wcswcs for Unix98 compliance.

	* math/Makefile (libm-calls): Add s_sincos and s_cproj.
	* math/mathcalls.h: Add prototype for sincos.
	* sysdeps/i386/fpu/__math.h: Warn about restriction on arguments to
	inlined sin and cos function.
	Define functions new in ISO C 9X when __USE_ISOC9X is defined.
	Add optimized version of finite.
	Rewrite sincos function to handle too large arguments.
	* sysdeps/libm-i387/s_cos.S: Better code alignment.
	* sysdeps/libm-i387/s_cosl.S: Likewise.
	* sysdeps/libm-i387/s_sin.S: Likewise.
	* sysdeps/libm-i387/s_sinl.S: Likewise.
	* sysdeps/libm-i387/s_finite.S: Yet better code.
	* sysdeps/libm-i387/s_finitef.S: Likewise.
	* sysdeps/libm-i387/s_sincos.S: New file.
	* sysdeps/libm-i387/s_sincosf.S: New file.
	* sysdeps/libm-i387/s_sincosl.S: New file.
	* sysdeps/libm-ieee754/s_sincos.c: New file.
	* sysdeps/libm-ieee754/s_sincosf.c: New file.
	* sysdeps/libm-ieee754/s_sincosl.c: New file.

	* sysdeps/libm-ieee754/s_ccosh.c: Change to use sincos function.
	* sysdeps/libm-ieee754/s_ccoshf.c: Likewise.
	* sysdeps/libm-ieee754/s_ccoshl.c: Likewise.
	* sysdeps/libm-ieee754/s_cexp.c: Likewise.
	* sysdeps/libm-ieee754/s_cexpf.c: Likewise.
	* sysdeps/libm-ieee754/s_cexpl.c: Likewise.
	* sysdeps/libm-ieee754/s_csinh.c: Likewise.
	* sysdeps/libm-ieee754/s_csinhf.c: Likewise.
	* sysdeps/libm-ieee754/s_csinhl.c: Likewise.
	* sysdeps/libm-ieee754/s_ctan.c: Likewise.
	* sysdeps/libm-ieee754/s_ctanf.c: Likewise.
	* sysdeps/libm-ieee754/s_ctanl.c: Likewise.
	* sysdeps/libm-ieee754/s_ctanh.c: Likewise.
	* sysdeps/libm-ieee754/s_ctanhf.c: Likewise.
	* sysdeps/libm-ieee754/s_ctanhl.c: Likewise.

	* sysdeps/libm-ieee754/s_cosl.c: Correct check for range.
	* sysdeps/libm-ieee754/s_sinl.c: Likewise.

	* sysdeps/libm-ieee754/s_roundtol.c: Fix typos.
	* sysdeps/libm-ieee754/s_roundtoll.c: Likewise.

	* nis/Makefile (services): Mention nisplus before compat.
	* nis/nis_call.c (__do_niscall): Change type of variable server_len
	to prevent warning.
	* nis/nss_compat/compat-grp.c (getgrent_next_file_plusgroup): Add
	cast to prevent warning.
	* nis/nss_compat/compat-pwd.c (getpwent_next_file_plususer): Likewise.
	* nis/nss_compat/compat-spwd.c (getspent_next_file_plususer): Likewise.
	* nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_parse_hostent): Change
	type of variable `i' to prevent warning.
	* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_parse_netent):
	Likewise.
	* nis/nss_nisplus/nisplus-proto.c (_nss_nisplus_parse_protoent):
	Likewise.
	* nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_parse_rpcent): Likewise.
	* nis/nss_nisplus/nisplus-service.c (_nss_nisplus_parse_servent):
	Likewise.

	* sysdeps/generic/Dist: Remove old math implementation files.
	* sysdeps/generic/mathimpl.h: Removed.
	* sysdeps/generic/trig.h: Removed.
	* sysdeps/generic/sincos.c: Removed.
	* sysdeps/generic/asincos.c: Removed.
	* sysdeps/generic/exp__E.c: Removed.
	* sysdeps/generic/log__L.c: Removed.

1997-04-13 17:18  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>

	* malloc/malloc.c (fREe): Small optimization.  Before returning,
	add fast check whether the heap containing top can go away.

1997-04-11 16:46  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>

	* malloc/malloc.c (mALLOc, rEALLOc, cALLOc, mEMALIGn): When
	failing to allocate a new chunk, also try the main_arena.  It may
	be that we are only running out of mmapped regions, and other
	arenas cannot be enlarged sufficiently.
	(new_heap, malloc_extend_top): Handle top_pad more consistently,
	i.e. only in new_heap().

1997-04-13 21:10  Philip Blundell  <pjb27@cl.cam.ac.uk>

	* sysdeps/posix/Makefile: Don't try to build and run mk-stdiolim
	if cross-compiling.

	* configure.in: Recognise "...linuxaout" OS names and turn off ELF.

	* configure.in: Add ARM support.
	* sysdeps/arm/Implies: New file.
	* sysdeps/arm/__longjmp.S: New file.
	* sysdeps/arm/bsd-_setjmp: New file.
	* sysdeps/arm/bsd-setjmp: New file.
	* sysdeps/arm/bytesex.h: New file.
	* sysdeps/arm/fpu_control.h: New file.
	* sysdeps/arm/jmp_buf.h: New file.
	* sysdeps/arm/setjmp.h: New file.
	* sysdeps/arm/sysdep.h: New file.
	* sysdeps/unix/arm/config.h: New file.

1997-04-14 04:03  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/s_cproj.c: New file.
	* sysdeps/libm-ieee754/s_cprojf.c: New file.
	* sysdeps/libm-ieee754/s_cprojl.c: New file.

1 files changed, 50 insertions, 19 deletions

diff --git a/sysdeps/i386/fpu/__math.h b/sysdeps/i386/fpu/__math.h
index 86793babe5..080d0ec220 100644
--- a/sysdeps/i386/fpu/__math.h
+++ b/sysdeps/i386/fpu/__math.h
@@ -96,6 +96,7 @@ fabs (double __x)
   return __value;
 }
 
+/* The argument range of this inline version is limited.  */
 __MATH_INLINE double sin (double __x);
 __MATH_INLINE double
 sin (double __x)
@@ -108,6 +109,7 @@ sin (double __x)
   return __value;
 }
 
+/* The argument range of this inline version is limited.  */
 __MATH_INLINE double cos (double __x);
 __MATH_INLINE double
 cos (double __x)
@@ -371,7 +373,7 @@ ceil (double __x)
 
 
 /* Optimized versions for some non-standardized functions.  */
-#ifdef __USE_MISC
+#if defined __USE_ISOC9X || defined __USE_MISC
 
 __MATH_INLINE double hypot (double __x, double __y);
 __MATH_INLINE double
@@ -424,22 +426,6 @@ atanh (double __x)
   return -0.5 * __log1p (-(__y + __y) / (1.0 + __y)) * __sgn1 (__x);
 }
 
-__MATH_INLINE double coshm1 (double __x);
-__MATH_INLINE double
-coshm1 (double __x)
-{
-  register double __exm1 = __expm1 (fabs (__x));
-
-  return 0.5 * (__exm1 / (__exm1 + 1.0)) * __exm1;
-}
-
-__MATH_INLINE double acosh1p (double __x);
-__MATH_INLINE double
-acosh1p (double __x)
-{
-  return __log1p (__x + sqrt (__x) * sqrt (__x + 2.0));
-}
-
 __MATH_INLINE double logb (double __x);
 __MATH_INLINE double
 logb (double __x)
@@ -467,13 +453,58 @@ drem (double __x, double __y)
   return __value;
 }
 
+/* This function is used in the `isfinite' macro.  */
+__MATH_INLINE int __finite (double __x);
+__MATH_INLINE int
+__finite (double __x)
+{
+  register int __result;
+  __asm__ __volatile__
+    ("orl	$x0x800fffff, %0\n\t"
+     "incl	%0\n\t"
+     "shrl	$31, %0"
+     : "=q" (__result) : "0" (((int *) &__x)[1]));
+  return __result;
+}
+#endif
+
+#ifdef __USE_MISC
+__MATH_INLINE double coshm1 (double __x);
+__MATH_INLINE double
+coshm1 (double __x)
+{
+  register double __exm1 = __expm1 (fabs (__x));
+
+  return 0.5 * (__exm1 / (__exm1 + 1.0)) * __exm1;
+}
+
+__MATH_INLINE double acosh1p (double __x);
+__MATH_INLINE double
+acosh1p (double __x)
+{
+  return __log1p (__x + sqrt (__x) * sqrt (__x + 2.0));
+}
+
 __MATH_INLINE void sincos (double __x, double *__sinx, double *__cosx);
 __MATH_INLINE void
 sincos (double __x, double *__sinx, double *__cosx)
 {
   register double __cosr, __sinr;
   __asm __volatile__
-    ("fsincos"
+    ("fsincos\n\t"
+     "fnstsw	%%ax\n\t"
+     "testl	$0x400, %%eax\n\t"
+     "jz	1f\n\t"
+     "fldpi\n\t"
+     "fadd	%%st(0)\n\t"
+     "fxch	%%st(1)\n\t"
+     "2: fprem1\n\t"
+     "fnstsw	%%ax\n\t"
+     "testl	$0x400, %%eax\n\t"
+     "jnz	2b\n\t"
+     "fstp	%%st(1)\n\t"
+     "fsincos\n\t"
+     "1:"
      : "=t" (__cosr), "=u" (__sinr) : "0" (__x));
 
   *__sinx = __sinr;
@@ -484,7 +515,7 @@ __MATH_INLINE double sgn (double __x);
 __MATH_INLINE double
 sgn (double __x)
 {
-  return (__x == 0.0 ? 0.0 : (__x > 0.0 ? 1.0 : -1.0));
+  return __x == 0.0 ? 0.0 : (__x > 0.0 ? 1.0 : -1.0);
 }
 
 __MATH_INLINE double pow2 (double __x);