introducing vectors of doubles as possible parameters

include/ElementaryUtils/parameters/GenericType.h

@@ -13,6 +13,7 @@
 #include <sstream>
 #include <string>
 #include <cstddef>
+#include <vector>
 
 namespace ElemUtils {
 
@@ -86,6 +87,8 @@ public:
 
     size_t toSize_t() const;
 
+    std::vector<double> toVectorDouble() const;
+
     /**
      * Convert stream to string
      * @return std::string

src/ElementaryUtils/parameters/GenericType.cpp

@@ -86,6 +86,27 @@ unsigned short GenericType::toUShort() const {
     return us;
 }
 
+std::vector<double> GenericType::toVectorDouble() const {
+    //create a temporary object to avoid empty m_stream after use of >> operator ; for multiple use of the same GenericType object
+    std::stringstream sstream;
+    sstream << m_stream.str();
+    std::vector<double> vd{};
+
+    double d;
+    while (sstream >> d) {
+        vd.push_back(d);
+    }
+
+    while(sstream >> d || !sstream.eof()) {
+        if(sstream.fail()) {
+	    throw std::runtime_error("[GenericType::toUInt] cast from std::string to unsigned short failed ! ");
+	}
+        vd.push_back(d);
+    }
+
+    return vd;
+}
+
 std::string GenericType::getString() const {
     return m_stream.str();
 }