fix #7906 [cpprest] add parameterToString for number type with unspecified format (double) (#7929)

Author: murzic4

modules/swagger-codegen/src/main/resources/cpprest/apiclient-header.mustache

@@ -39,6 +39,7 @@ public:
     static utility::string_t parameterToString(int32_t value);
     static utility::string_t parameterToString(int64_t value);
     static utility::string_t parameterToString(float value);
+    static utility::string_t parameterToString(double value);
     static utility::string_t parameterToString(const utility::datetime &value);
     template<class T>
     static utility::string_t parameterToString(const std::vector<T>& value);

modules/swagger-codegen/src/main/resources/cpprest/apiclient-source.mustache

@@ -49,6 +49,11 @@ utility::string_t ApiClient::parameterToString(float value)
     return utility::conversions::to_string_t(std::to_string(value));
 }
 
+utility::string_t ApiClient::parameterToString(double value)
+{
+    return utility::conversions::to_string_t(std::to_string(value));
+}
+
 utility::string_t ApiClient::parameterToString(const utility::datetime &value)
 {
     return utility::conversions::to_string_t(value.to_string(utility::datetime::ISO_8601));

samples/client/petstore/cpprest/ApiClient.cpp

@@ -61,6 +61,11 @@ utility::string_t ApiClient::parameterToString(float value)
     return utility::conversions::to_string_t(std::to_string(value));
 }
 
+utility::string_t ApiClient::parameterToString(double value)
+{
+    return utility::conversions::to_string_t(std::to_string(value));
+}
+
 utility::string_t ApiClient::parameterToString(const utility::datetime &value)
 {
     return utility::conversions::to_string_t(value.to_string(utility::datetime::ISO_8601));

samples/client/petstore/cpprest/ApiClient.h

@@ -51,6 +51,7 @@ class  ApiClient
     static utility::string_t parameterToString(int32_t value);
     static utility::string_t parameterToString(int64_t value);
     static utility::string_t parameterToString(float value);
+    static utility::string_t parameterToString(double value);
     static utility::string_t parameterToString(const utility::datetime &value);
     template<class T>
     static utility::string_t parameterToString(const std::vector<T>& value);