From a1210a257d61b0c7c5e83221b0e49b6f72a55395 Mon Sep 17 00:00:00 2001
From: dwarning <dwarning>
Date: Tue, 26 Mar 2024 19:59:23 +0100
Subject: [PATCH] use only magnitudes in ac noise analysis even if openvaf
 compiled models deliver negative noise contributions

---
 src/osdi/osdinoise.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/osdi/osdinoise.c b/src/osdi/osdinoise.c
index fc0eb05aa..7dba09fc6 100644
--- a/src/osdi/osdinoise.c
+++ b/src/osdi/osdinoise.c
@@ -124,6 +124,7 @@ int OSDInoise(int mode, int operation, GENmodel *inModel, CKTcircuit *ckt,
           node_mapping =
               (uint32_t *)(((char *)inst) + descr->node_mapping_offset);
           for (i = 0; i < descr->num_noise_src; i++) {
+            noise_dens[i] = fabs(noise_dens[i]);
             src = descr->noise_sources[i];
             node1 = node_mapping[src.nodes.node_1];
             if (src.nodes.node_2 == UINT32_MAX) {