nik/lush
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

"legal" way to convert a float to an integer in C

Browse Source
This commit is contained in:
Roberto Ierusalimschy
2013-05-27 09:43:37 -03:00
parent 8c883cb4e8
commit d630daca1a
3 changed files with 30 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
llimits.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.104 2013/04/25 21:15:37 roberto Exp roberto $
** $Id: llimits.h,v 1.105 2013/05/23 21:27:06 roberto Exp roberto $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@@ -36,6 +36,12 @@ typedef unsigned char lu_byte;
#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */
/* minimum and maximum values for lua_Integer */
#define MAX_INTEGER ((lua_Integer)(~(lua_Unsigned)0 >> 1))
#define MIN_INTEGER (~MAX_INTEGER)
/*
** conversion of pointer to integer
** this is for hashing only; there is no problem if the integer