From c1aeaa9be5721fe8a08adeebd362c82e94883823 Mon Sep 17 00:00:00 2001
From: "Darryl L. Miles" <darryl.miles@darrylmiles.org>
Date: Fri, 4 Oct 2024 17:29:12 +0100
Subject: [PATCH] DRCtech.c:4141:21: warning: suggest parentheses around
 comparison in operand of '=='

the expression (a == b == 1) works out like:

a, b = result (XNOR)
0, 0 = 1
0, 1 = 0
1, 0 = 0
1, 1 = 1

GCC14 -Wall cleanup series [-Wparentheses]
---
 drc/DRCtech.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drc/DRCtech.c b/drc/DRCtech.c
index 44d20f5c..7311de94 100644
--- a/drc/DRCtech.c
+++ b/drc/DRCtech.c
@@ -4138,7 +4138,7 @@ DRCTechScale(scalen, scaled)
     int scalegcf;
 
     if (DRCCurStyle == NULL) return;
-    else if (scalen == scaled == 1) return;
+    else if (scalen == scaled) return;
 
     /* Revert DRC rules to original (unscaled) values */
     drcScaleUp(DRCCurStyle, DRCCurStyle->DRCScaleFactorN);