Memory Leak fixed

Author: rajithv

ext/symengine/symengine.c

@@ -64,7 +64,7 @@ void Init_symengine() {
 
     //RealDouble Class
     c_real_double = rb_define_class_under(m_symengine, "RealDouble", c_basic);
-    rb_define_alloc_func(c_double, cbasic_alloc);
+    rb_define_alloc_func(c_real_double, cbasic_alloc);
 
     //Rational class
     c_rational = rb_define_class_under(m_symengine, "Rational", c_basic);

ext/symengine/symengine_utils.c

@@ -15,11 +15,12 @@ void sympify(VALUE operand2, basic_struct *cbasic_operand2) {
             GET_SYMINTFROMVAL(operand2, cbasic_operand2);
             break;
 
-        case T_FLOAT:
-            Rb_Temp_String = rb_funcall(operand2, rb_intern("to_s"), 0, NULL);
-            s = StringValueCStr(Rb_Temp_String);
-            real_double_set_d(this, atof(s));
+        case T_FLOAT:         
+            Rb_Temp_String = rb_funcall(operand2, rb_intern("to_s"), 0, NULL);           
 
+            s = StringValueCStr(Rb_Temp_String);
+            double f = atof(s);
+            real_double_set_d(cbasic_operand2, f);
             break;
 
         case T_RATIONAL: