fixed #13606/13607 - print (precise) float as such in ValueFlow debug output [skip ci]

Author: firewave

Diff for: lib/token.cpp

@@ -1790,7 +1790,7 @@ void Token::printValueFlow(bool xml, std::ostream &out) const
                     break;
                 case ValueFlow::Value::ValueType::FLOAT:
                     outs += "floatvalue=\"";
-                    outs += std::to_string(value.floatValue); // TODO: should this be MathLib::toString()?
+                    outs += MathLib::toString(value.floatValue);
                     outs += '\"';
                     break;
                 case ValueFlow::Value::ValueType::MOVED:
@@ -1864,7 +1864,6 @@ void Token::printValueFlow(bool xml, std::ostream &out) const
 
                 outs += "/>\n";
             }
-
             else {
                 if (&value != &values->front())
                     outs += ",";

Diff for: lib/vfvalue.cpp

@@ -19,6 +19,7 @@
 #include "vfvalue.h"
 
 #include "errortypes.h"
+#include "mathlib.h"
 #include "token.h"
 
 #include <sstream>
@@ -58,7 +59,7 @@ namespace ValueFlow {
             ss << this->tokvalue->str();
             break;
         case ValueType::FLOAT:
-            ss << this->floatValue;
+            ss << MathLib::toString(this->floatValue);
             break;
         case ValueType::MOVED:
             ss << toString(this->moveKind);