Update SimplexBuilder.cxx

Should fix root-project#6775
andriish · Sep 27, 2023 · aebda5f · aebda5f
1 parent f4a23f7
commit aebda5f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/math/minuit2/src/SimplexBuilder.cxx b/math/minuit2/src/SimplexBuilder.cxx
@@ -38,7 +38,7 @@ FunctionMinimum SimplexBuilder::Minimum(const MnFcn &mfcn, const GradientCalcula
    MnAlgebraicVector step = 10. * seed.Gradient().Gstep();
 
    unsigned int n = x.size();
-   double wg = 1. / double(n);
+   double wg = 1. / std::max(1.0,double(n));
    double alpha = 1., beta = 0.5, gamma = 2., rhomin = 4., rhomax = 8.;
    double rho1 = 1. + alpha;
    // double rho2 = rho1 + alpha*gamma;