added initial version of multiplier check for netlists in stdcells

Signed-off-by: Sergei Andreev <andreev@ihp-microelectronics.com>

ihp-sg13g2/libs.qa/stdcells/check_multiplier.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+########################################################################
+#
+# Copyright 2024 IHP PDK Authors
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    https://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+########################################################################
+
+# checking CDL and SPICE netlists
+# the only allowed multiplier is m=1
+
+cellset="sg13g2_stdcell"
+for view in cdl spice; do
+  grep -nHE 'm=[^1]' ../../libs.ref/${cellset}/${view}/${cellset}.*
+done