possible fix for #123

beltoforion · Oct 31, 2023 · ddb6f07 · ddb6f07
1 parent 310b56c
commit ddb6f07
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/src/muParser.cpp b/src/muParser.cpp
@@ -54,6 +54,23 @@ namespace mu
  */
  int Parser::IsVal(const char_type* a_szExpr, int* a_iPos, value_type* a_fVal)
  {
+ // fix for #123; std::Stringstream is broken on Mac; use std::stod instead
+ try
+ {
+ std::size_t charsProcessed;
+ value_type fVal = static_cast<value_type>(std::stod(string_type(a_szExpr), &charsProcessed));
+ if (charsProcessed == 0)
+ return 0;
+
+ *a_iPos += (int)charsProcessed;
+ *a_fVal = fVal;
+ return 1;
+ }
+ catch (...)
+ {
+ return 0;
+ }
+/*
  value_type fVal(0);
 
  stringstream_type stream(a_szExpr);
@@ -68,6 +85,7 @@ namespace mu
  *a_iPos += (int)iEnd;
  *a_fVal = fVal;
  return 1;
+*/ 
  }