1 files changed, 77 insertions, 0 deletions
diff --git a/contrib/bc/scripts/sqrt_random.sh b/contrib/bc/scripts/sqrt_random.sh
new file mode 100755
index 000000000000..e107ef532f6e
--- /dev/null
+++ b/contrib/bc/scripts/sqrt_random.sh
@@ -0,0 +1,77 @@
+#! /bin/sh
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2018-2024 Gavin D. Howard and contributors.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+scriptdir=$(dirname "$0")
+
+gnu=/usr/bin/bc
+gdh=/usr/local/bin/bc
+
+if [ "$#" -lt 1 ]; then
+	printf 'err: must provide path to new bc\n'
+	exit 1
+fi
+
+new="$1"
+shift
+
+unset BC_LINE_LENGTH && unset BC_ENV_ARGS
+
+gdh_fail_file="sqrt_fails.bc"
+new_fail_file="new_sqrt_fails.bc"
+
+rm -rf "$gdh_fail_file"
+rm -rf "$new_fail_file"
+
+while [ true ]; do
+
+	tst=$("$gdh" -l "$scriptdir/sqrt_random.bc")
+	err=$?
+
+	if [ "$err" -ne 0 ]; then
+		printf 'err: failed to create test\n'
+		exit 2
+	fi
+
+	good=$(printf '%s\n' "$tst" | "$gnu" -l)
+
+	gdh_out=$(printf '%s\n' "$tst" | "$gdh" -l)
+	new_out=$(printf '%s\n' "$tst" | "$new" -l)
+
+	gdh_good=$(printf '%s == %s\n' "$good" "$gdh_out" | "$gnu")
+	new_good=$(printf '%s == %s\n' "$good" "$new_out" | "$gnu")
+
+	if [ "$gdh_good" -eq 0 ]; then
+		printf '%s\n' "$tst" >> "$gdh_fail_file"
+	fi
+
+	if [ "$new_good" -eq 0 ]; then
+		printf '%s\n' "$tst" >> "$new_fail_file"
+	fi
+
+done