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Enable optional floating point exception (FPE) trapping in rootlogon.C #768

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Merged
plexoos merged 11 commits into from
Sep 17, 2025
Merged

Enable optional floating point exception (FPE) trapping in rootlogon.C #768

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4778de8
Enable optional floating point exception (FPE) trapping in rootlogon.C
plexoos Sep 10, 2025
a2483f9
fix
plexoos Sep 15, 2025
b1083e7
Revert "fix"
plexoos Sep 15, 2025
adde83b
fix 2
plexoos Sep 15, 2025
967769d
Revert "fix 2"
plexoos Sep 15, 2025
dfa4b67
fix 3
plexoos Sep 15, 2025
82ea2f0
Revert "fix 3"
plexoos Sep 16, 2025
7ba1d45
do not use namespace for ROOT6
plexoos Sep 16, 2025
8839ed4
fix
plexoos Sep 16, 2025
c0b9599
fix
plexoos Sep 16, 2025
39bd837
Update StRoot/macros/rootlogon.C
plexoos Sep 17, 2025
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15 changes: 15 additions & 0 deletions StRoot/macros/rootlogon.C
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Original file line number Diff line number Diff line change
@@ -1,4 +1,19 @@
{
// set FloatPointException trap
bool star_rootlogon_fpe = TString(gSystem->Getenv("STAR_VERSION")) == ".DEV";
const char* star_rootlogon_fpe_env = gSystem->Getenv("STARFPE");

if (star_rootlogon_fpe_env) {
if (strcmp(star_rootlogon_fpe_env,"YES")==0) star_rootlogon_fpe=true;
if (strcmp(star_rootlogon_fpe_env,"NO" )==0) star_rootlogon_fpe=false;
}
if (star_rootlogon_fpe) {
gSystem->SetFPEMask(kInvalid | kDivByZero | kOverflow );
printf("*** Floating Point Exception is ON ***\n");
} else {
printf("*** Floating Point Exception is OFF ***\n");
}

gSystem->Load("libStarClassLibrary");
gSystem->Load("libGeom");
gSystem->Load("libTable");
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