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authorUlrich Drepper <drepper@redhat.com>1997-03-17 03:04:18 +0000
committerUlrich Drepper <drepper@redhat.com>1997-03-17 03:04:18 +0000
commit81e9dad67243a2ba7c4344e05a5e48b54efe991a (patch)
tree59f0642026a98ec415938a66395a1fcc85d90676 /sysdeps/libm-ieee754/w_atan2f.c
parent0d8733c4fc3695c7987548d10c344445f3eb552d (diff)
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Update.
1997-03-17 04:00  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libmieee754/w_atan2.c: Don't ignore exception if library
	type is SVID.
	* sysdeps/libmieee754/w_atan2f.c: Likewise.
	* sysdeps/libmieee754/w_atan2l.c: Likewise.

	* sysdeps/unix/sysv/linux/sys/mman.h (msync): Add descrption for
	FLAGS parameter.

1997-03-16 20:28  Philip Blundell  <phil@london.uk.eu.org>

	* sysdeps/unix/sysv/linux/socketbits.h: Add more SOL_ values.
	Change msg_iovlen and msg_controllen (in struct msghdr) to
	`size_t' to keep in step with kernel.

	* manual/examples/dir2.c: New example for scandir.
	* math/test/float.c: New file.  Frontend for float tests.
	* math/test/double.c: New file.  Frontend for double tests.
	* math/test/longdouble.c: New file.  Frontend for long double  tests.
	* sysdeps/ieee754/huge_val.h: Remove definition of long double
	* sysdeps/libm-i387/s_scalbn.S: Likewise.
	* sysdeps/libm-i387/s_scalbnf.S: Likewise.
	* sysdeps/libm-i387/s_scalbnl.S: Likewise.
	* sysdeps/libm-i387/s_expm1.S: Change return value for -inf
	* sysdeps/libm-i387/s_expm1f.S: Likewise.
	* sysdeps/libm-i387/s_expm1l.S: Likewise.
	* sysdeps/libm-i387/s_isinfl.c: Return -1 for -inf.
	* sysdeps/libm-i387/s_logbl.S: Correct return value.  Discard first
	* sysdeps/libm-ieee754/w_powf.c: Likewise.
	* sysdeps/libm-ieee754/w_powl.c: Likewise.
	* sysdeps/unix/sysv/linux/alpha/statbuf.h: Likewise.
	* nss/nss_files/files-hosts.c: Likewise.
	Based on a patch by H.J. Lu <hjl@gnu.ai.mit.edu>.
	* nis/ypclnt.c (__yp_bind): Fix possible buffer overflow.
	* posix/unistd.h: Add prototype for __euidaccess.
	* sysdeps/stub/euidaccess.c: Likewise.
Diffstat (limited to 'sysdeps/libm-ieee754/w_atan2f.c')
-rw-r--r--sysdeps/libm-ieee754/w_atan2f.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/libm-ieee754/w_atan2f.c b/sysdeps/libm-ieee754/w_atan2f.c
index 00b2ce7633..09caa06f00 100644
--- a/sysdeps/libm-ieee754/w_atan2f.c
+++ b/sysdeps/libm-ieee754/w_atan2f.c
@@ -37,7 +37,9 @@ static char rcsid[] = "$NetBSD: w_atan2f.c,v 1.3 1995/05/10 20:48:42 jtc Exp $";
 #else
 	float z;
 	z = __ieee754_atan2f(y,x);
-	if(_LIB_VERSION == _IEEE_||__isnanf(x)||__isnanf(y)) return z;
+	if(_LIB_VERSION != _SVID_||__isnanf(x)||__isnanf(y)) return z;
+	if(x==0.0&&y==0.0)
+	  return __kernel_standard(y,x,103); /* atan2(+-0,+-0) */
 	return z;
 #endif
 }