remainder.m4

Branch

Show log
Commit

Hash : a923e066
Author :
Date : 2025-09-10T22:55:08

math-h: Remove support for IRIX.

* lib/math.in.h (FP_ILOGB0, FP_ILOGBNAN): Remove code for IRIX.
(cbrtf): Test HAVE_CBRTF instead of HAVE_DECL_CBRTF.
(cbrtl): Test HAVE_CBRTL instead of HAVE_DECL_CBRTL.
(copysignf): Test HAVE_COPYSIGNF instead of HAVE_DECL_COPYSIGNF.
(exp2f): Test HAVE_EXP2F instead of HAVE_DECL_EXP2F.
(exp2): Test HAVE_EXP2 instead of HAVE_DECL_EXP2.
(exp2l): Test HAVE_EXP2L instead of HAVE_DECL_EXP2L.
(expm1l): Test HAVE_EXPM1L instead of HAVE_DECL_EXPM1L.
(log2f): Test HAVE_LOG2F instead of HAVE_DECL_LOG2F.
(log2): Test HAVE_LOG2 instead of HAVE_DECL_LOG2.
(log2l): Test HAVE_LOG2L instead of HAVE_DECL_LOG2L.
(remainder): Don't test HAVE_DECL_REMAINDER.
(remainderl): Test HAVE_REMAINDERL instead of HAVE_DECL_REMAINDERL.
(rintf): Test HAVE_RINTF instead of HAVE_DECL_RINTF.
(roundf): Test HAVE_ROUNDF instead of HAVE_DECL_ROUNDF.
(round): Test HAVE_ROUND instead of HAVE_DECL_ROUND.
(roundl): Test HAVE_ROUNDL instead of HAVE_DECL_ROUNDL.
(isnanf, isnand): Remove code for IRIX.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_COPYSIGNF,
HAVE_EXP2, HAVE_EXP2F, HAVE_EXP2L, HAVE_EXPM1L, HAVE_LOG2, HAVE_LOG2F,
HAVE_LOG2L, HAVE_REMAINDERL, HAVE_RINTF, HAVE_ROUND, HAVE_ROUNDF,
HAVE_ROUNDL. Don't initialize HAVE_DECL_CBRTF, HAVE_DECL_CBRTL,
HAVE_DECL_COPYSIGNF, HAVE_DECL_EXP2, HAVE_DECL_EXP2F, HAVE_DECL_EXP2L,
HAVE_DECL_EXPM1L, HAVE_DECL_LOG2, HAVE_DECL_LOG2F, HAVE_DECL_LOG2L,
HAVE_DECL_REMAINDER, HAVE_DECL_REMAINDERL, HAVE_DECL_RINTF,
HAVE_DECL_ROUND, HAVE_DECL_ROUNDF, HAVE_DECL_ROUNDL.
* modules/math-h (Makefile.am): Substitute HAVE_COPYSIGNF, HAVE_EXP2,
HAVE_EXP2F, HAVE_EXP2L, HAVE_EXPM1L, HAVE_LOG2, HAVE_LOG2F, HAVE_LOG2L,
HAVE_REMAINDERL, HAVE_RINTF, HAVE_ROUND, HAVE_ROUNDF, HAVE_ROUNDL.
Don't substitute HAVE_DECL_CBRTF, HAVE_DECL_CBRTL, HAVE_DECL_COPYSIGNF,
HAVE_DECL_EXP2, HAVE_DECL_EXP2F, HAVE_DECL_EXP2L, HAVE_DECL_EXPM1L,
HAVE_DECL_LOG2, HAVE_DECL_LOG2F, HAVE_DECL_LOG2L, HAVE_DECL_REMAINDER,
HAVE_DECL_REMAINDERL, HAVE_DECL_RINTF, HAVE_DECL_ROUND,
HAVE_DECL_ROUNDF, HAVE_DECL_ROUNDL.
* m4/cbrtf.m4 (gl_FUNC_CBRTF_WORKS): Remove macro.
(gl_FUNC_CBRTF): Don't invoke it. Don't set HAVE_DECL_CBRTF.
* m4/cbrtl.m4 (gl_FUNC_CBRTL): Don't set HAVE_DECL_CBRTL. Remove test
regarding cbrtl (-0.0L).
* lib/cbrtl.c (cbrtl): Remove code for IRIX.
* m4/copysignf.m4 (gl_FUNC_COPYSIGNF): Don't set HAVE_DECL_COPYSIGNF.
* m4/exp2f.m4 (gl_FUNC_EXP2F): Don't set HAVE_DECL_EXP2F.
* m4/exp2.m4 (gl_FUNC_EXP2): Don't set HAVE_DECL_EXP2.
* m4/exp2l.m4 (gl_FUNC_EXP2L): Don't set HAVE_DECL_EXP2L. Remove code
for IRIX. Remove test regarding exp2l (-Inf).
* m4/expm1l.m4 (gl_FUNC_EXPM1L): Don't set HAVE_DECL_EXPM1L. Remove code
for IRIX.
* m4/log2f.m4 (gl_FUNC_LOG2F): Don't set HAVE_DECL_LOG2F.
* m4/log2.m4 (gl_FUNC_LOG2): Don't set HAVE_DECL_LOG2.
* lib/log2.c (log2): Remove code for IRIX.
* m4/log2l.m4 (gl_FUNC_LOG2L): Don't set HAVE_DECL_LOG2L. Remove code
for IRIX.
* lib/log2l.c (log2l): Remove code for IRIX.
* m4/remainder.m4 (gl_FUNC_REMAINDER): Don't set HAVE_DECL_REMAINDER.
* m4/remainderl.m4 (gl_FUNC_REMAINDERL): Don't set HAVE_DECL_REMAINDERL.
Remove code for IRIX.
* m4/rintf.m4 (gl_FUNC_RINTF): Don't set HAVE_DECL_RINTF.
* m4/roundf.m4 (gl_FUNC_ROUNDF): Don't set HAVE_DECL_ROUNDF.
* m4/round.m4 (gl_FUNC_ROUND): Don't set HAVE_DECL_ROUND.
* m4/roundl.m4 (gl_FUNC_ROUNDL): Don't set HAVE_DECL_ROUNDL.

Download

m4/remainder.m4

# remainder.m4
# serial 14
dnl Copyright (C) 2012-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is offered as-is, without any warranty.

AC_DEFUN([gl_FUNC_REMAINDER],
[
  m4_divert_text([DEFAULTS], [gl_remainder_required=plain])
  AC_REQUIRE([gl_MATH_H_DEFAULTS])

  REMAINDER_LIBM=
  AC_CACHE_CHECK([whether remainder() can be used without linking with libm],
    [gl_cv_func_remainder_no_libm],
    [
      AC_LINK_IFELSE(
        [AC_LANG_PROGRAM(
           [[#ifndef __NO_MATH_INLINES
             # define __NO_MATH_INLINES 1 /* for glibc */
             #endif
             #include <math.h>
             double x;
             double y;]],
           [[return remainder (x, y) > 1;]])],
        [gl_cv_func_remainder_no_libm=yes],
        [gl_cv_func_remainder_no_libm=no])
    ])
  if test $gl_cv_func_remainder_no_libm = no; then
    AC_CACHE_CHECK([whether remainder() can be used with libm],
      [gl_cv_func_remainder_in_libm],
      [
        saved_LIBS="$LIBS"
        LIBS="$LIBS -lm"
        AC_LINK_IFELSE(
          [AC_LANG_PROGRAM(
             [[#ifndef __NO_MATH_INLINES
               # define __NO_MATH_INLINES 1 /* for glibc */
               #endif
               #include <math.h>
               double x;
               double y;]],
             [[return remainder (x, y) > 1;]])],
          [gl_cv_func_remainder_in_libm=yes],
          [gl_cv_func_remainder_in_libm=no])
        LIBS="$saved_LIBS"
      ])
    if test $gl_cv_func_remainder_in_libm = yes; then
      REMAINDER_LIBM=-lm
    fi
  fi
  if test $gl_cv_func_remainder_no_libm = yes \
     || test $gl_cv_func_remainder_in_libm = yes; then
    :
  else
    HAVE_REMAINDER=0
  fi
  if test $HAVE_REMAINDER = 0 || test $REPLACE_REMAINDER = 1; then
    dnl Find libraries needed to link lib/remainder.c.
    AC_REQUIRE([gl_FUNC_FABS])
    AC_REQUIRE([gl_FUNC_FMOD])
    AC_REQUIRE([gl_FUNC_ISNAND])
    REMAINDER_LIBM=
    dnl Append $FABS_LIBM to REMAINDER_LIBM, avoiding gratuitous duplicates.
    case " $REMAINDER_LIBM " in
      *" $FABS_LIBM "*) ;;
      *) REMAINDER_LIBM="$REMAINDER_LIBM $FABS_LIBM" ;;
    esac
    dnl Append $FMOD_LIBM to REMAINDER_LIBM, avoiding gratuitous duplicates.
    case " $REMAINDER_LIBM " in
      *" $FMOD_LIBM "*) ;;
      *) REMAINDER_LIBM="$REMAINDER_LIBM $FMOD_LIBM" ;;
    esac
    dnl Append $ISNAND_LIBM to REMAINDER_LIBM, avoiding gratuitous duplicates.
    case " $REMAINDER_LIBM " in
      *" $ISNAND_LIBM "*) ;;
      *) REMAINDER_LIBM="$REMAINDER_LIBM $ISNAND_LIBM" ;;
    esac
  fi
  AC_SUBST([REMAINDER_LIBM])
])

Download

kc3-lang/gnulib/m4/remainder.m4

Commit

m4/remainder.m4