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new configuration macro 'l_mathlim' (simplifies some dependencies

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on float type)
This commit is contained in:
Roberto Ierusalimschy
2015-05-20 14:39:23 -03:00
parent 0ec12c1bd1
commit 99391e24ea
2 changed files with 17 additions and 16 deletions
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16
luaconf.h
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@@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.249 2015/03/31 12:00:07 roberto Exp roberto $
** $Id: luaconf.h,v 1.250 2015/04/03 18:41:57 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@@ -404,16 +404,14 @@
/*
@@ LUA_NUMBER is the floating-point type used by Lua.
**
@@ LUAI_UACNUMBER is the result of an 'usual argument conversion'
@@ over a floating number.
**
@@ l_mathlim(x) corrects limit name 'x' to the proper float type
** by prefixing it with one of FLT/DBL/LDBL.
@@ LUA_NUMBER_FRMLEN is the length modifier for writing floats.
@@ LUA_NUMBER_FMT is the format for writing floats.
@@ lua_number2str converts a float to a string.
**
@@ l_mathop allows the addition of an 'l' or 'f' to all math operations.
**
@@ lua_str2number converts a decimal numeric string to a number.
*/
@@ -421,6 +419,8 @@
#define LUA_NUMBER float
#define l_mathlim(n) (FLT_##n)
#define LUAI_UACNUMBER double
#define LUA_NUMBER_FRMLEN ""
@@ -435,6 +435,8 @@
#define LUA_NUMBER long double
#define l_mathlim(n) (LDBL_##n)
#define LUAI_UACNUMBER long double
#define LUA_NUMBER_FRMLEN "L"
@@ -448,6 +450,8 @@
#define LUA_NUMBER double
#define l_mathlim(n) (DBL_##n)
#define LUAI_UACNUMBER double
#define LUA_NUMBER_FRMLEN ""
@@ -620,7 +624,7 @@
#if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \
__STDC_VERSION__ >= 199901L
#include <stdint.h>
#if defined (INTPTR_MAX) /* even in C99 this type is optional */
#if defined(INTPTR_MAX) /* even in C99 this type is optional */
#undef LUA_KCONTEXT
#define LUA_KCONTEXT intptr_t
#endif