Fix JUT_ASSERT and several other macros (#2711)

* Fix JUT_ASSERT to be a nested define

* Switch names that appear in asserts to be constants instead of defines

* Replace `0` in asserts with `NULL` or `FALSE`

* Fix fpclassify

* Fix ARRAY_SIZE

* Use G_CM3D_F_INF

* More fixes for fpclassify

* Remove FLOAT_LABEL

* Remove incorrect FLAG_ON macro

* Remove UNK_BSS macro

* Silence clangd unused header warning for PCH

src/d/d_k_wmark.cpp

@@ -3,7 +3,7 @@
  *
  */
 
-#include "d/dolzel.h"
+#include "d/dolzel.h" // IWYU pragma: keep
 
 #include "d/d_k_wmark.h"
 #include "JSystem/J3DGraphBase/J3DMaterial.h"
@@ -37,7 +37,7 @@ int dkWmark_c::create() {
     mpHeap = mDoExt_createSolidHeapFromGameToCurrent(0x880, 0x20);
     if (mpHeap != NULL) {
         J3DModelData* modelData = (J3DModelData*)dComIfG_getObjectRes("Alink", 0x23);
-        JUT_ASSERT(60, modelData != 0);
+        JUT_ASSERT(60, modelData != NULL);
 
         mpModel = mDoExt_J3DModel__create(modelData, 0x80000, 0x11000084);
         mDoExt_restoreCurrentHeap();