Bugfix to random generator for response matrix (unfolding) (#7025)

smaff92 · alibuild · web-flow · commit e1639cc73cb3 · 2024-07-29T10:44:15.000+02:00
* Added K*(892) functionality, as well as a host of optimizations and features

* Please consider the following formatting changes

* Megalinter fixes for pull 6940

* Please consider the following formatting changes

* Fixed rand_r() bug

* Please consider the following formatting changes

* Bugfix to random evaluator

* Please consider the following formatting changes

---------

Co-authored-by: ALICE Action Bot &lt;alibuild@cern.ch&gt;
diff --git a/PWGJE/Tasks/phiInJets.cxx b/PWGJE/Tasks/phiInJets.cxx
@@ -1352,7 +1352,7 @@ struct phiInJets {
                 std::cout << "******************************************" << std::endl;
               }
               JEhistos.fill(HIST("Resp_Matrix_MATCHED"), lResonance.Pt(), jetpt_mcd, mothers1Pt[0], jetpt_mcp);
-              unsigned int seed = 1992;
+              unsigned int seed = static_cast<unsigned int>(std::chrono::system_clock::now().time_since_epoch().count());
               int dice = rand_r(&seed) % 2;
               if (dice > 0)
                 JEhistos.fill(HIST("Resp_Matrix_MATCHED_rand0"), lResonance.Pt(), jetpt_mcd, mothers1Pt[0], jetpt_mcp);

Original file line number	Diff line number	Diff line change
`@@ -1352,7 +1352,7 @@ struct phiInJets {`
`1352`	`1352`	`std::cout << "******************************************" << std::endl;`
`1353`	`1353`	`}`
`1354`	`1354`	`JEhistos.fill(HIST("Resp_Matrix_MATCHED"), lResonance.Pt(), jetpt_mcd, mothers1Pt[0], jetpt_mcp);`
`1355`		`- unsigned int seed = 1992;`
	`1355`	`+ unsigned int seed = static_cast<unsigned int>(std::chrono::system_clock::now().time_since_epoch().count());`
`1356`	`1356`	`int dice = rand_r(&seed) % 2;`
`1357`	`1357`	`if (dice > 0)`
`1358`	`1358`	`JEhistos.fill(HIST("Resp_Matrix_MATCHED_rand0"), lResonance.Pt(), jetpt_mcd, mothers1Pt[0], jetpt_mcp);`