commit c8d6cb01365780367f949a94b29bb3f043744c0e
parent 0edcdf49c00b70986f3efc12ceae912db2361d67
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 5 Feb 2015 15:15:08 -0200
macros 'luai_num*' (for float arithmetic operations) moved to
llimits.h.
Diffstat:
4 files changed, 53 insertions(+), 46 deletions(-)
diff --git a/llimits.h b/llimits.h
@@ -1,5 +1,5 @@
/*
-** $Id: llimits.h,v 1.128 2015/01/16 15:41:03 roberto Exp roberto $
+** $Id: llimits.h,v 1.129 2015/01/16 17:15:52 roberto Exp roberto $
** Limits, basic types, and some other 'installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@@ -243,6 +243,53 @@ typedef unsigned long Instruction;
/*
+** The luai_num* macros define the primitive operations over numbers.
+*/
+
+/* floor division (defined as 'floor(a/b)') */
+#if !defined(luai_numidiv)
+#define luai_numidiv(L,a,b) ((void)L, l_mathop(floor)(luai_numdiv(L,a,b)))
+#endif
+
+/* float division */
+#if !defined(luai_numdiv)
+#define luai_numdiv(L,a,b) ((a)/(b))
+#endif
+
+/*
+** module: defined as 'a - floor(a/b)*b'; the previous definition gives
+** NaN when 'b' is huge, but the result should be 'a'. 'fmod' gives the
+** result of 'a - trunc(a/b)*b', and therefore must be corrected when
+** 'trunc(a/b) ~= floor(a/b)'. That happens when the division has a
+** non-integer negative result, which is equivalent to the test below
+*/
+#if !defined(luai_nummod)
+#define luai_nummod(L,a,b,m) \
+ { (m) = l_mathop(fmod)(a,b); if ((m)*(b) < 0) (m) += (b); }
+#endif
+
+/* exponentiation */
+#if !defined(luai_numpow)
+#define luai_numpow(L,a,b) ((void)L, l_mathop(pow)(a,b))
+#endif
+
+/* the others are quite standard operations */
+#if !defined(luai_numadd)
+#define luai_numadd(L,a,b) ((a)+(b))
+#define luai_numsub(L,a,b) ((a)-(b))
+#define luai_nummul(L,a,b) ((a)*(b))
+#define luai_numunm(L,a) (-(a))
+#define luai_numeq(a,b) ((a)==(b))
+#define luai_numlt(a,b) ((a)<(b))
+#define luai_numle(a,b) ((a)<=(b))
+#define luai_numisnan(a) (!luai_numeq((a), (a)))
+#endif
+
+
+
+
+
+/*
** macro to control inclusion of some hard tests on stack reallocation
*/
#if !defined(HARDSTACKTESTS)
diff --git a/lobject.c b/lobject.c
@@ -1,5 +1,5 @@
/*
-** $Id: lobject.c,v 2.100 2014/11/21 12:15:57 roberto Exp roberto $
+** $Id: lobject.c,v 2.101 2014/12/26 14:43:45 roberto Exp roberto $
** Some generic functions over Lua objects
** See Copyright Notice in lua.h
*/
@@ -10,6 +10,7 @@
#include "lprefix.h"
+#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
@@ -174,8 +175,6 @@ static int isneg (const char **s) {
*/
#if !defined(lua_strx2number)
-#include <math.h>
-
/* maximum number of significant digits to read (to avoid overflows
even with single floats) */
#define MAXSIGDIG 30
diff --git a/luaconf.h b/luaconf.h
@@ -1,5 +1,5 @@
/*
-** $Id: luaconf.h,v 1.243 2015/02/04 12:52:57 roberto Exp roberto $
+** $Id: luaconf.h,v 1.244 2015/02/05 16:53:34 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@@ -466,46 +466,6 @@
(*(p) = (LUA_INTEGER)(n), 1))
-/*
-@@ The luai_num* macros define the primitive operations over numbers.
-** They should work for any size of floating numbers.
-*/
-
-/* the following operations need the math library */
-#if defined(lobject_c) || defined(lvm_c)
-#include <math.h>
-
-/* floor division (defined as 'floor(a/b)') */
-#define luai_numidiv(L,a,b) ((void)L, l_mathop(floor)(luai_numdiv(L,a,b)))
-
-/*
-** module: defined as 'a - floor(a/b)*b'; the previous definition gives
-** NaN when 'b' is huge, but the result should be 'a'. 'fmod' gives the
-** result of 'a - trunc(a/b)*b', and therefore must be corrected when
-** 'trunc(a/b) ~= floor(a/b)'. That happens when the division has a
-** non-integer negative result, which is equivalent to the test below
-*/
-#define luai_nummod(L,a,b,m) \
- { (m) = l_mathop(fmod)(a,b); if ((m)*(b) < 0) (m) += (b); }
-
-/* exponentiation */
-#define luai_numpow(L,a,b) ((void)L, l_mathop(pow)(a,b))
-
-#endif
-
-/* these are quite standard operations */
-#if defined(LUA_CORE)
-#define luai_numadd(L,a,b) ((a)+(b))
-#define luai_numsub(L,a,b) ((a)-(b))
-#define luai_nummul(L,a,b) ((a)*(b))
-#define luai_numdiv(L,a,b) ((a)/(b))
-#define luai_numunm(L,a) (-(a))
-#define luai_numeq(a,b) ((a)==(b))
-#define luai_numlt(a,b) ((a)<(b))
-#define luai_numle(a,b) ((a)<=(b))
-#define luai_numisnan(a) (!luai_numeq((a), (a)))
-#endif
-
/*
@@ LUA_INTEGER is the integer type used by Lua.
diff --git a/lvm.c b/lvm.c
@@ -1,5 +1,5 @@
/*
-** $Id: lvm.c,v 2.232 2014/12/27 20:30:38 roberto Exp roberto $
+** $Id: lvm.c,v 2.233 2015/01/16 16:54:37 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -11,6 +11,7 @@
#include <limits.h>
+#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
