Go back to stod

Author: msoos

src/main.cpp

@@ -97,9 +97,7 @@ static int fc_int(const std::string& s) {
     return val;
 }
 static double fc_double(const std::string& s) {
-    double val = 0.0;
-    std::from_chars(s.data(), s.data() + s.size(), val);
-    return val;
+    return std::stod(s);
 }
 static const std::string& fc_string(const std::string& s) { return s; }
 

src/synth.cpp

@@ -42,11 +42,18 @@ using MC = ArjunNS::Arjun::ManthanConf;
 template<typename T> T parse_val(const string& s) {
     T v{}; std::from_chars(s.data(), s.data() + s.size(), v); return v;
 }
+template<> double parse_val<double>(const string& s) {
+    return std::stod(s);
+}
 
 template<typename T> bool validate_val(const string& v) {
     T x; auto [p,e] = std::from_chars(v.data(), v.data()+v.size(), x);
     return e == std::errc{} && p == v.data()+v.size();
 }
+template<> bool validate_val<double>(const string& v) {
+    try { size_t pos; std::stod(v, &pos); return pos == v.size(); }
+    catch (...) { return false; }
+}
 
 using PT = SynthRunner::ParamType;
 struct ParamDef { PT type; std::function<void(MC&, const string&)> setter; };