@@ -710,7 +710,7 @@ internal static bool ToPrimitive(BorrowedReference value, Type obType, out objec
                     {
                         if (Runtime.Is32Bit)
                         {
-                            if (!Runtime.PyLong_Check(value))
+                            if (!Runtime.PyInt_Check(value))
                             {
                                 goto type_error;
                             }
@@ -777,6 +777,10 @@ internal static bool ToPrimitive(BorrowedReference value, Type obType, out objec
 
                 case TypeCode.Single:
                     {
+                        if (!Runtime.PyFloat_Check(value) && !Runtime.PyInt_Check(value))
+                        {
+                            goto type_error;
+                        }
                         double num = Runtime.PyFloat_AsDouble(value);
                         if (Exceptions.ErrorOccurred())
                         {
@@ -795,6 +799,10 @@ internal static bool ToPrimitive(BorrowedReference value, Type obType, out objec
 
                 case TypeCode.Double:
                     {
+                        if (!Runtime.PyFloat_Check(value) && !Runtime.PyInt_Check(value))
+                        {
+                            goto type_error;
+                        }
                         double num = Runtime.PyFloat_AsDouble(value);
                         if (Exceptions.ErrorOccurred())
                         {
 
@@ -1101,11 +1101,6 @@ internal static bool PyBool_Check(BorrowedReference ob)
 
         internal static NewReference PyInt_FromInt64(long value) => PyLong_FromLongLong(value);
 
-        internal static bool PyLong_Check(BorrowedReference ob)
-        {
-            return PyObject_TYPE(ob) == PyLongType;
-        }
-
         internal static NewReference PyLong_FromLongLong(long value) => Delegates.PyLong_FromLongLong(value);
 
 
@@ -1145,9 +1140,7 @@ internal static NewReference PyLong_FromString(string value, int radix)
         }
 
         internal static bool PyFloat_Check(BorrowedReference ob)
-        {
-            return PyObject_TYPE(ob) == PyFloatType;
-        }
+            => PyObject_TypeCheck(ob, PyFloatType);
 
         /// <summary>
         /// Return value: New reference.
Original file line number	Diff line number	Diff line change
@@ -710,7 +710,7 @@ internal static bool ToPrimitive(BorrowedReference value, Type obType, out objec
710	710	{
711	711	if (Runtime.Is32Bit)
712	712	{
713		- if (!Runtime.PyLong_Check(value))
	713	+ if (!Runtime.PyInt_Check(value))
714	714	{
715	715	goto type_error;
716	716	}
@@ -777,6 +777,10 @@ internal static bool ToPrimitive(BorrowedReference value, Type obType, out objec
777	777
778	778	case TypeCode.Single:
779	779	{
	780	+ if (!Runtime.PyFloat_Check(value) && !Runtime.PyInt_Check(value))
	781	+ {
	782	+ goto type_error;
	783	+ }
780	784	double num = Runtime.PyFloat_AsDouble(value);
781	785	if (Exceptions.ErrorOccurred())
782	786	{
@@ -795,6 +799,10 @@ internal static bool ToPrimitive(BorrowedReference value, Type obType, out objec
795	799
796	800	case TypeCode.Double:
797	801	{
	802	+ if (!Runtime.PyFloat_Check(value) && !Runtime.PyInt_Check(value))
	803	+ {
	804	+ goto type_error;
	805	+ }
798	806	double num = Runtime.PyFloat_AsDouble(value);
799	807	if (Exceptions.ErrorOccurred())
800	808	{