#!/bin/sh
# Ensure sort -g sorts floating point limits correctly

# Copyright (C) 2010 Free Software Foundation, Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program 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 General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

if test "$VERBOSE" = yes; then
  set -x
  sort --version
fi

. $srcdir/test-lib.sh

for LOC in C $LOCALE_FR; do

  LC_ALL=$LOC getlimits_

  # See if sort should be using long doubles
  grep '^#define HAVE_C99_STRTOLD 1' $CONFIG_HEADER > /dev/null ||
    { LDBL_MAX="$DBL_MAX"; LDBL_MIN="$DBL_MIN"; }

  printf -- "\
-$LDBL_MAX
-$DBL_MAX
-$FLT_MAX
-$FLT_MIN
-$DBL_MIN
-$LDBL_MIN
0
$LDBL_MIN
$DBL_MIN
$FLT_MIN
$FLT_MAX
$DBL_MAX
$LDBL_MAX
" |
  grep '^[0-9.,e+-]*$' > exp # restrict to numeric just in case

  tac exp | LC_ALL=$LOC sort -sg > out || fail=1

  compare out exp || fail=1
done

Exit $fail