[tmad] in gg_ttgg.mad, add '-g' and keep '-O3' in make_opts to debug …

…SIGFPE madgraph5#855, and add volatile in aloha_functions.f to try to fix it The SIGFPE crash madgraph5#855 does seem to disappear in ./tmad/madX.sh -ggttgg -iconfig 104 -makeclean However, there is now a DIFFERENT issue, an lhe file mismatch between fortran and cpp (madgraph5#856) This is probably due to the iconfig/channel mapping issue reported by Olivier in madgraph5#852
valassi · Jun 2, 2024 · 5b42374 · 5b42374
1 parent 93a03f0
commit 5b42374
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diff --git a/epochX/cudacpp/gg_ttgg.mad/Source/DHELAS/aloha_functions.f b/epochX/cudacpp/gg_ttgg.mad/Source/DHELAS/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
       double precision rZero, rOne
       parameter( rZero = 0.0d0, rOne = 1.0d0 )
 

diff --git a/epochX/cudacpp/gg_ttgg.mad/Source/make_opts b/epochX/cudacpp/gg_ttgg.mad/Source/make_opts
@@ -1,7 +1,8 @@
 DEFAULT_CPP_COMPILER=g++
 DEFAULT_F2PY_COMPILER=f2py3
 DEFAULT_F_COMPILER=gfortran
-GLOBAL_FLAG=-O3 -ffast-math -fbounds-check
+###GLOBAL_FLAG=-O3 -ffast-math -fbounds-check
+GLOBAL_FLAG=-O3 -g -ffast-math -fbounds-check
 MACFLAG=
 MG5AMC_VERSION=SpecifiedByMG5aMCAtRunTime
 PYTHIA8_PATH=NotInstalled