DPCT1044

Intel® DPC++ Compatibility Tool Developer Guide and Reference

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ID 768918

Date 10/31/2024

Version

Public

Visible to Intel only — GUID: GUID-DCCB31A4-610A-4117-BDA3-B5885226C576

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DPCT1044

Message

<BaseClass1> was removed because <BaseClass2> has been deprecated in C++11. You may need to remove references to typedefs from <BaseClass1> in the class definition.

Detailed Help

<BaseClass#> is either unary_function or binary_function. The std:: equivalents for these classes are deprecated, and the use of these base classes is removed.

Suggestions to Fix

If any of the typedef identifiers are referenced in the class definition, they should be replaced with the original template arguments.

For example, this original CUDA* code:

 class C : thrust::unary_function<int, float> {
   argument_type arg_data;
   result_type result_data;
 };

results in the following migrated SYCL* code:

 /*
 DPCT1044:0: thrust::unary_function was removed because std::unary_function has
 been deprecated in C++11. You may need to remove references to typedefs from
 thrust::unary_function in the class definition.
 */
 class C {
   argument_type arg_data;
   result_type result_data;
 };

which is rewritten to:

 class C {
   argument_type arg_data;
   result_type result_data;
 };

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Intel® DPC++ Compatibility Tool Developer Guide and Reference

DPCT1044

Message

Detailed Help

Suggestions to Fix