fix issue BehaviorTree#256

Author: facontidavide

include/behaviortree_cpp_v3/basic_types.h

@@ -84,6 +84,12 @@ unsigned convertFromString<unsigned>(StringView str);
 template <>
 long convertFromString<long>(StringView str);
 
+template <>
+unsigned long convertFromString<unsigned long>(StringView str);
+
+template <>
+float convertFromString<float>(StringView str);
+
 template <>
 double convertFromString<double>(StringView str);
 

src/basic_types.cpp

@@ -119,6 +119,12 @@ unsigned convertFromString<unsigned>(StringView str)
     return unsigned(std::stoul(str.data()));
 }
 
+template <>
+unsigned long convertFromString<unsigned long>(StringView str)
+{
+    return std::stoul(str.data());
+}
+
 template <>
 double convertFromString<double>(StringView str)
 {
@@ -132,6 +138,16 @@ double convertFromString<double>(StringView str)
     return val;
 }
 
+template <>
+float convertFromString<float>(StringView str)
+{
+    std::string old_locale = setlocale(LC_NUMERIC,nullptr);
+    setlocale(LC_NUMERIC,"C");
+    float val = std::stof(str.data());
+    setlocale(LC_NUMERIC, old_locale.c_str());
+    return val;
+}
+
 template <>
 std::vector<int> convertFromString<std::vector<int>>(StringView str)
 {