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authorUlrich Drepper <drepper@redhat.com>1997-04-17 15:10:04 +0000
committerUlrich Drepper <drepper@redhat.com>1997-04-17 15:10:04 +0000
commitdd33e89fb2693e88ba64e6b947184c5abf70ff00 (patch)
tree3a621cf04df476aa6dd7905c41e77e8133baae3e /sysdeps/m68k/fpu/s_remquo.c
parent7799b7b3350fdcadc6dfb8821fb49b7772c96701 (diff)
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Update.
1997-04-17 16:55  Ulrich Drepper  <drepper@cygnus.com>

	* misc/libgen.h: Change prototype for of basename to XPG variant.
	* stdlib/Makefile (routines): Add xpg_basename.
	* stdlib/basename.c: New file.
	* string/string.h: Don't declare basename function if basename
	macro is available.

1997-04-16 17:33  Miles Bader  <miles@gnu.ai.mit.edu>

	* login/utmp_file.c (proc_utmp_eq): Only use ut_id field if valid.

1997-04-15 12:47  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/fclrexcpt.c: New file.
	* sysdeps/m68k/fpu/fenvbits.h: New file.
	* sysdeps/m68k/fpu/fegetenv.c: New file.
	* sysdeps/m68k/fpu/fegetround.c: New file.
	* sysdeps/m68k/fpu/fesetenv.c: New file.
	* sysdeps/m68k/fpu/fesetround.c: New file.
	* sysdeps/m68k/fpu/feupdateenv.c: New file.
	* sysdeps/m68k/fpu/fgetexcptflg.c: New file.
	* sysdeps/m68k/fpu/fraiseexcpt.c: New file.
	* sysdeps/m68k/fpu/fsetexcptflg.c: New file.
	* sysdeps/m68k/fpu/ftestexcept.c: New file.
	* sysdeps/m68k/fpu/mathbits.h: New file.

	* sysdeps/m68k/fpu/s_remquo.c: New file.
	* sysdeps/m68k/fpu/s_remquol.c: New file.
	* sysdeps/m68k/fpu/s_remquof.c: New file.

	* sysdeps/libm-ieee754/s_roundl.c: Restore integer bit when
	mantissa overflows into exponent.  Fix priority of >> vs +.

	* math/libm-test.c (basic_tests): Use the appropriate isnan and
	isinf function to test the value of the nan function.

1997-04-15 13:40  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-i387/s_finite.S: Fix typo.

	* sysdeps/i386/fpu/__math.h: Add optimized versions of isgreater,
	isgreaterequal, isless, islessequal, islessgreater, and
	isunordered.
Diffstat (limited to 'sysdeps/m68k/fpu/s_remquo.c')
-rw-r--r--sysdeps/m68k/fpu/s_remquo.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/m68k/fpu/s_remquo.c b/sysdeps/m68k/fpu/s_remquo.c
new file mode 100644
index 0000000000..3682ba7896
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_remquo.c
@@ -0,0 +1,58 @@
+/* Compute remainder and a congruent to the quotient.  m68k fpu version
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#define __LIBC_M81_MATH_INLINES
+#include <math.h>
+
+#ifndef SUFF
+#define SUFF
+#endif
+#ifndef float_type
+#define float_type double
+#endif
+
+#define CONCATX(a,b) __CONCAT(a,b)
+#define s(name) CONCATX(name,SUFF)
+
+float_type
+s(__remquo) (float_type x, float_type y, int *quo)
+{
+  float_type result;
+  int cquo, fpsr;
+
+  /* FIXME: Which of frem and fmod is correct?  */
+#if 1
+  __asm ("frem%.x %2,%0\n\tfmove%.l %/fpsr,%1"
+	 : "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x));
+  cquo = (fpsr >> 16) & 0x7f;
+  if ((result > 0) != (x > 0))
+    cquo--;
+#else
+  __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1"
+	 : "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x));
+  cquo = (fpsr >> 16) & 0x7f;
+#endif
+  if (fpsr & (1 << 23))
+    cquo = -cquo;
+  *quo = cquo;
+  return result;
+}
+#define weak_aliasx(a,b) weak_alias(a,b)
+weak_aliasx (s(__remquo), s(remquo))