dd33e89fb2
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.
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* Compute remainder and a congruent to the quotient. m68k fpu version
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Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define __LIBC_M81_MATH_INLINES
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#include <math.h>
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#ifndef SUFF
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#define SUFF
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#endif
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#ifndef float_type
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#define float_type double
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#endif
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#define CONCATX(a,b) __CONCAT(a,b)
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#define s(name) CONCATX(name,SUFF)
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float_type
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s(__remquo) (float_type x, float_type y, int *quo)
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{
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float_type result;
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int cquo, fpsr;
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/* FIXME: Which of frem and fmod is correct? */
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#if 1
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__asm ("frem%.x %2,%0\n\tfmove%.l %/fpsr,%1"
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: "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x));
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cquo = (fpsr >> 16) & 0x7f;
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if ((result > 0) != (x > 0))
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cquo--;
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#else
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__asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1"
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: "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x));
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cquo = (fpsr >> 16) & 0x7f;
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#endif
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if (fpsr & (1 << 23))
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cquo = -cquo;
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*quo = cquo;
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return result;
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}
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#define weak_aliasx(a,b) weak_alias(a,b)
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weak_aliasx (s(__remquo), s(remquo))
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