[Refactor] #37353 コメント整理 / Refactor comments.

[hengband/hengband.git] / src / z-util.h

diff --git a/src/z-util.h b/src/z-util.h
index a6dfdfb..088b10b 100644 (file)
--- a/src/z-util.h
+++ b/src/z-util.h
@@ -1,4 +1,4 @@
-/* File z-util.h */
+/* File z-util.h */
 
 /*
  * Copyright (c) 1997 Ben Harrison
@@ -51,6 +51,18 @@ extern void quit(cptr str);
 extern void core(cptr str);
 
 
+/* 64-bit integer operations */
+#define s64b_LSHIFT(V1, V2, N) {V1 = (V1<<(N)) | (V2>>(32-(N))); V2 <<= (N);}
+#define s64b_RSHIFT(V1, V2, N) {V2 = (V1<<(32-(N))) | (V2>>(N)); V1 >>= (N);}
+extern void s64b_add(s32b *A1, u32b *A2, s32b B1, u32b B2);
+extern void s64b_sub(s32b *A1, u32b *A2, s32b B1, u32b B2);
+extern int s64b_cmp(s32b A1, u32b A2, s32b B1, u32b B2);
+extern void s64b_mul(s32b *A1, u32b *A2, s32b B1, u32b B2);
+extern void s64b_div(s32b *A1, u32b *A2, s32b B1, u32b B2);
+extern void s64b_mod(s32b *A1, u32b *A2, s32b B1, u32b B2);
+
 
 #endif
 
+extern int count_bits(BIT_FLAGS x);
+