Merge remote-tracking branch 'origin/gpucpp' (PR #113 for madgraph5/m…

…adgraph4gpu#855 crash in rotxxx) into gpucpp_826
mg5amcnlo · Jun 27, 2024 · 74fd166 · 74fd166
2 parents e4d9df4 + 9abf6a3
commit 74fd166
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/aloha/template_files/aloha_functions.f b/aloha/template_files/aloha_functions.f
@@ -1201,7 +1201,7 @@ subroutine rotxxx(p,q , prot)
 c
       implicit none
       double precision p(0:3),q(0:3),prot(0:3),qt2,qt,psgn,qq,p1
-
+      volatile qt, p1, qq ! prevent optimizations with -O3 (workaround for SIGFPE crashes in rotxxx: madgraph5/madgraph4gpu#855)
       double precision rZero, rOne
       parameter( rZero = 0.0d0, rOne = 1.0d0 )