BUG: Fix warning "differs in levels of indirection" in npy_atomic.h with MSVC (numpy#27557)

* Fix pointer indirection warning (C4047) in npy_atomic.h for MSVC

* Fix pointer indirection warning (C4047) in npy_atomic.h for MSVC

* Fix atomic pointer loading with proper type casting for various architectures

* Update numpy/_core/src/common/npy_atomic.h

Co-authored-by: Nathan Goldbaum <[email protected]>

* Update numpy/_core/src/common/npy_atomic.h

Co-authored-by: Nathan Goldbaum <[email protected]>

* Update numpy/_core/src/common/npy_atomic.h

Co-authored-by: Nathan Goldbaum <[email protected]>

* Update numpy/_core/src/common/npy_atomic.h

Co-authored-by: Nathan Goldbaum <[email protected]>

* Update numpy/_core/src/common/npy_atomic.h

Co-authored-by: Nathan Goldbaum <[email protected]>

---------

Co-authored-by: Nathan Goldbaum <[email protected]>

Author: nocoding03

numpy/_core/src/common/npy_atomic.h

@@ -53,15 +53,15 @@ npy_atomic_load_ptr(const void *obj) {
 #elif defined(MSC_ATOMICS)
 #if SIZEOF_VOID_P == 8
 #if defined(_M_X64) || defined(_M_IX86)
-    return *(volatile uint64_t *)obj;
+    return (void *)*(volatile uint64_t *)obj;
 #elif defined(_M_ARM64)
-    return (uint64_t)__ldar64((unsigned __int64 volatile *)obj);
+    return (void *)__ldar64((unsigned __int64 volatile *)obj);
 #endif
 #else
 #if defined(_M_X64) || defined(_M_IX86)
-    return *(volatile uint32_t *)obj;
+    return (void *)*(volatile uint32_t *)obj;
 #elif defined(_M_ARM64)
-    return (uint32_t)__ldar32((unsigned __int32 volatile *)obj);
+    return (void *)__ldar32((unsigned __int32 volatile *)obj);
 #endif
 #endif
 #elif defined(GCC_ATOMICS)