Generate valid C# for variables which use float

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Generators/CSharp/CSharpSources.cs

@@ -1218,12 +1218,19 @@ namespace CppSharp.Generators.CSharp
             }
             else
             {
-                var systemType = Internal.ExpressionHelper.GetSystemType(Context, type);
-                if (!Internal.ExpressionHelper.TryParseExactLiteralExpression(ref initializerString, systemType))
-                    Write(type.IsPrimitiveType() || type.IsEnum() ? $"({type}) {initializerString}" :
-                        $"new {type}({initializerString})");
-                else
+                if (Internal.ExpressionHelper.PrintExpression(Context, null, type,
+                   variable.Initializer, false, ref initializerString) == null)
+                {
                     Write(initializerString);
+                }
+                else
+                {
+                    var systemType = Internal.ExpressionHelper.GetSystemType(Context, type);
+                    if (!Internal.ExpressionHelper.TryParseExactLiteralExpression(ref initializerString, systemType))
+                        Write($"({type}) {initializerString}");
+                    else
+                        Write(initializerString);
+                }
             }
             WriteLine(";");
         }

src/Generator/Passes/ExpressionHelper.cs

@@ -1,12 +1,10 @@
 using System.Collections.Generic;
-using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
 using CppSharp.AST;
 using CppSharp.AST.Extensions;
 using CppSharp.Generators;
 using CppSharp.Generators.CSharp;
-using CppSharp.Parser;
 using CppSharp.Types;
 
 using TypeCode = System.TypeCode;
@@ -40,8 +38,7 @@ namespace CppSharp.Internal
 
             if (desugared.IsPrimitiveTypeConvertibleToRef())
             {
-                var method = function as Method;
-                if (method != null && method.IsConstructor)
+                if (function is Method method && method.IsConstructor)
                 {
                     result = string.Empty;
                     return false;
@@ -282,7 +279,8 @@ namespace CppSharp.Internal
             var method = (Method)expression.Declaration;
             var expressionSupported = decl.IsValueType && method.Parameters.Count == 0;
 
-            if (expression.String.Contains('(') || expression.String.StartsWith("{"))
+            if (expression.String.Contains('(') || expression.String.StartsWith("{") ||
+                ctor.Arguments.Count > 1)
             {
                 var argsBuilder = new StringBuilder("new ");
                 argsBuilder.Append(typePrinterResult);
@@ -312,14 +310,14 @@ namespace CppSharp.Internal
                 switch (builtin.Type)
                 {
                     case PrimitiveType.Float:
-                        if (statement.String.EndsWith(".F", System.StringComparison.Ordinal))
+                        if (statement.String.EndsWith(".F", System.StringComparison.OrdinalIgnoreCase))
                         {
                             result = statement.String.Replace(".F", ".0F");
                             return true;
                         }
                         break;
                     case PrimitiveType.Double:
-                        if (statement.String.EndsWith(".", System.StringComparison.Ordinal))
+                        if (statement.String.EndsWith(".", System.StringComparison.OrdinalIgnoreCase))
                         {
                             result = statement.String + '0';
                             return true;

tests/Common/Common.h

@@ -491,13 +491,13 @@ namespace SomeNamespace
     class Inlines
     {
     public:
-        constexpr Inlines(int param, const char* name) {}
+        constexpr Inlines(float param, const char* name) {}
         inline operator NamespacedAbstractImpl () const { return NamespacedAbstractImpl(); }
     protected:
         void protectedInlined() {}
     };
 
-    constexpr Inlines constWithParams(5, "test");
+    constexpr Inlines constWithParams(5.f, "test");
 
     class AbstractInlines
     {