working on panel building, preparing for panel compute

StgSharp.Native/sn-src/dllmain.c

@@ -1,12 +1,25 @@
-
-#include "StgSharpNative.h"
+#include "StgSharpNative.h"
+#include "sn_matkernel.h"
 
 #ifdef _WIN32
 
+/* Define and initialize a global zero kernel aligned to 64 bytes for universal ISA usage */
+__declspec(align(64)) MAT_KERNEL(uint64_t) SN_ZERO_KERNEL;
+
+static void init_zero_kernel(void)
+{
+        for (int c = 0; c < 4; ++c) {
+                for (int r = 0; r < 4; ++r) {
+                        SN_ZERO_KERNEL.m[r][c] = 0.0;
+                }
+        }
+}
+
 BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
 {
         switch (ul_reason_for_call) {
         case DLL_PROCESS_ATTACH:
+                init_zero_kernel();
                 return 1;
         case DLL_THREAD_ATTACH:
                 return 1;
@@ -21,6 +34,7 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
 #else
 attribute((constructor)) void DllMain()
 {
+        init_zero_kernel();
 }
 
 #endif // _WIN32