better exp estimate for precision.

2025-07-04 08:31:52 +02:00
parent 25bcdd25e5
commit d9016d82a8
1 changed files with 1 additions and 1 deletions
--- a/src/classes/PFitter.cpp
+++ b/src/classes/PFitter.cpp
@ -2944,7 +2944,7 @@ PDoubleVector PFitter::ParamRound(const PDoubleVector &par, const PDoubleVector
  double dval;
  for (unsigned int i=0; i<par.size(); i++) {
    if (err[i] != 0.0) {
-      exp = round(log10(fabs(err[i])))-2;
+      exp = floor(log10(fabs(err[i]))-2);
      dval = round(par[i]*pow(10.0, -exp))/pow(10.0, -exp);
      par_r[i] = dval;
    } else {