xref: /freebsd/contrib/bc/scripts/sqrt_random.sh (revision 1edb7116)
1#! /bin/sh
2#
3# SPDX-License-Identifier: BSD-2-Clause
4#
5# Copyright (c) 2018-2023 Gavin D. Howard and contributors.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions are met:
9#
10# * Redistributions of source code must retain the above copyright notice, this
11#   list of conditions and the following disclaimer.
12#
13# * Redistributions in binary form must reproduce the above copyright notice,
14#   this list of conditions and the following disclaimer in the documentation
15#   and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27# POSSIBILITY OF SUCH DAMAGE.
28#
29
30scriptdir=$(dirname "$0")
31
32gnu=/usr/bin/bc
33gdh=/usr/local/bin/bc
34
35if [ "$#" -lt 1 ]; then
36	printf 'err: must provide path to new bc\n'
37	exit 1
38fi
39
40new="$1"
41shift
42
43unset BC_LINE_LENGTH && unset BC_ENV_ARGS
44
45gdh_fail_file="sqrt_fails.bc"
46new_fail_file="new_sqrt_fails.bc"
47
48rm -rf "$gdh_fail_file"
49rm -rf "$new_fail_file"
50
51while [ true ]; do
52
53	tst=$("$gdh" -l "$scriptdir/sqrt_random.bc")
54	err=$?
55
56	if [ "$err" -ne 0 ]; then
57		printf 'err: failed to create test\n'
58		exit 2
59	fi
60
61	good=$(printf '%s\n' "$tst" | "$gnu" -l)
62
63	gdh_out=$(printf '%s\n' "$tst" | "$gdh" -l)
64	new_out=$(printf '%s\n' "$tst" | "$new" -l)
65
66	gdh_good=$(printf '%s == %s\n' "$good" "$gdh_out" | "$gnu")
67	new_good=$(printf '%s == %s\n' "$good" "$new_out" | "$gnu")
68
69	if [ "$gdh_good" -eq 0 ]; then
70		printf '%s\n' "$tst" >> "$gdh_fail_file"
71	fi
72
73	if [ "$new_good" -eq 0 ]; then
74		printf '%s\n' "$tst" >> "$new_fail_file"
75	fi
76
77done
78