mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 21:40:12 +00:00
75 lines
2.7 KiB
Bash
75 lines
2.7 KiB
Bash
|
#!/bin/bash
|
||
|
|
# Testing of long double printf conversions.
|
||
|
|
# Copyright (C) 2024 Free Software Foundation, Inc.
|
||
|
|
# This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
# The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
# modify it under the terms of the GNU Lesser General Public
|
||
|
|
# License as published by the Free Software Foundation; either
|
||
|
|
# version 2.1 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
|
||
|
|
# Lesser General Public License for more details.
|
||
|
|
|
||
|
|
# You should have received a copy of the GNU Lesser General Public
|
||
|
|
# License along with the GNU C Library; if not, see
|
||
|
|
# <https://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
set -e
|
||
|
|
|
||
|
|
xprintf=$1; shift
|
||
|
|
format=$1; shift
|
||
|
|
common_objpfx=$1; shift
|
||
|
|
test_program_prefix=$1; shift
|
||
|
|
|
||
|
|
# For floating-point formats we need to use the bignum mode even if the
|
||
|
|
# regular mode would do, because GAWK in the latter mode uses sprintf(3)
|
||
|
|
# internally to process the conversion requested, so any bug in our code
|
||
|
|
# would then be verified against itself, defeating the objective of doing
|
||
|
|
# the verification against an independent implementation.
|
||
|
|
AWK="${AWK:-awk} -M"
|
||
|
|
|
||
|
|
status=77
|
||
|
|
|
||
|
|
# Verify that AWK can handle the range required. It also catches:
|
||
|
|
# "gawk: warning: -M ignored: MPFR/GMP support not compiled in"
|
||
|
|
# message produced where bignum support is not there, which is the
|
||
|
|
# only indication as the use of '-M' does not affect the exit status
|
||
|
|
# in this case.
|
||
|
|
ref="-1.18973149535723176508575932662800702e+4932"
|
||
|
|
val=$(echo "$ref" | $AWK '{ PREC=113; printf "%.35e\n", $1 }' 2>&1) &&
|
||
|
|
test "$val" = "$ref" && status=0
|
||
|
|
|
||
|
|
test $status -eq 0 || { echo "No working AWK found" && exit $status; }
|
||
|
|
|
||
|
|
# Check for any additional conversions that AWK handles conditionally
|
||
|
|
# according to its version and/or the environment it has been built in.
|
||
|
|
# The 'A' and 'a' conversions are not suitable to use at this point, as
|
||
|
|
# output produced by AWK is different apparently due to a subtlety in
|
||
|
|
# rounding, so do not try them.
|
||
|
|
declare -A conversion_disabled
|
||
|
|
ref="-inf"
|
||
|
|
for f in f F; do
|
||
|
|
conversion_disabled[$f]=true
|
||
|
|
val=$(echo "$ref" | $AWK '{ printf "%'$f'\n", $1 }' 2>&1) &&
|
||
|
|
test "${val^^}" = "${ref^^}" && unset conversion_disabled[$f]
|
||
|
|
done
|
||
|
|
|
||
|
|
if test "${conversion_disabled[$format]+set}" = set; then
|
||
|
|
echo Unsupported $format
|
||
|
|
status=77
|
||
|
|
else
|
||
|
|
echo Verifying $format
|
||
|
|
(set -o pipefail
|
||
|
|
${test_program_prefix} \
|
||
|
|
${common_objpfx}stdio-common/tst-printf-format-${xprintf}-ldouble $format |
|
||
|
|
$AWK -f tst-printf-format.awk 2>&1 |
|
||
|
|
head -n 1 |
|
||
|
|
sed "s/^/Conversion $format output error, first line:\n/") 2>&1 ||
|
||
|
|
status=1
|
||
|
|
fi
|
||
|
|
|
||
|
|
exit $status
|