nanobind: fix adapt_c_buffer on windows (we can use precisely sized t…

…ypes)

src/litgen/integration_tests/_pydef_nanobind/nanobind_mylib.cpp

@@ -401,13 +401,8 @@ void py_init_module_lg_mylib(nb::module_& m)
                 void * buffer_from_pyarray = buffer.data();
                 size_t buffer_count = buffer.shape(0);
 
-                #ifdef _WIN32
-                using np_uint_l = uint32_t;
-                using np_int_l = int32_t;
-                #else
                 using np_uint_l = uint64_t;
                 using np_int_l = int64_t;
-                #endif
 
                 // Define a lambda to compute the letter code for the buffer type
                 auto _nanobind_buffer_type_to_letter_code = [](uint8_t dtype_code, size_t sizeof_item)  -> char
@@ -1463,13 +1458,8 @@ void py_init_module_lg_mylib(nb::module_& m)
                         void * buffer_from_pyarray = buffer.data();
                         size_t buffer_count = buffer.shape(0);
 
-                        #ifdef _WIN32
-                        using np_uint_l = uint32_t;
-                        using np_int_l = int32_t;
-                        #else
                         using np_uint_l = uint64_t;
                         using np_int_l = int64_t;
-                        #endif
 
                         // Define a lambda to compute the letter code for the buffer type
                         auto _nanobind_buffer_type_to_letter_code = [](uint8_t dtype_code, size_t sizeof_item)  -> char
@@ -1672,13 +1662,8 @@ void py_init_module_lg_mylib(nb::module_& m)
                         void * buffer_from_pyarray = buffer.data();
                         size_t buffer_count = buffer.shape(0);
 
-                        #ifdef _WIN32
-                        using np_uint_l = uint32_t;
-                        using np_int_l = int32_t;
-                        #else
                         using np_uint_l = uint64_t;
                         using np_int_l = int64_t;
-                        #endif
 
                         // Define a lambda to compute the letter code for the buffer type
                         auto _nanobind_buffer_type_to_letter_code = [](uint8_t dtype_code, size_t sizeof_item)  -> char

src/litgen/internal/adapt_function_params/_adapt_c_buffers.py

@@ -240,14 +240,10 @@ def make_adapted_lambda_code_end_template_buffer(self) -> str:
                 char {template_buffer_name}_type = {template_buffer_name}.dtype().char_();
             """
         elif self.options.bind_library == BindLibraryType.nanobind:
+            # Contrary to pybind, we get info about the exact size in bits, so that we can use precisely sized types below
             _nanobind_buffer_type_to_letter_code = """
-                #ifdef _WIN32
-                using np_uint_l = uint32_t;
-                using np_int_l = int32_t;
-                #else
                 using np_uint_l = uint64_t;
                 using np_int_l = int64_t;
-                #endif
 
                 // Define a lambda to compute the letter code for the buffer type
                 auto _nanobind_buffer_type_to_letter_code = [](uint8_t dtype_code, size_t sizeof_item)  -> char

src/litgen/tests/internal/adapt_function_params/adapt_c_buffers_test.py

@@ -308,13 +308,8 @@ def test_template_buffer_nanobind():
                     const void * buf_from_pyarray = buf.data();
                     size_t buf_count = buf.shape(0);
 
-                    #ifdef _WIN32
-                    using np_uint_l = uint32_t;
-                    using np_int_l = int32_t;
-                    #else
                     using np_uint_l = uint64_t;
                     using np_int_l = int64_t;
-                    #endif
 
                     // Define a lambda to compute the letter code for the buffer type
                     auto _nanobind_buffer_type_to_letter_code = [](uint8_t dtype_code, size_t sizeof_item)  -> char