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in 'lua_number2strx', use the call to 'l_sprintf' to add exponent

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to result directly
This commit is contained in:
Roberto Ierusalimschy 2015-07-20 13:30:22 -03:00
parent b9db9bd0ef
commit 5273477cb9
1 changed files with 3 additions and 4 deletions
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7
lstrlib.c
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@ -1,5 +1,5 @@
/*
** $Id: lstrlib.c,v 1.230 2015/06/18 14:26:05 roberto Exp roberto $
** $Id: lstrlib.c,v 1.231 2015/06/24 18:25:10 roberto Exp roberto $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
@ -834,9 +834,8 @@ static int num2straux (char *buff, int sz, lua_Number x) {
if (x != x || x == HUGE_VAL || x == -HUGE_VAL) /* inf or NaN? */
return l_sprintf(buff, sz, LUA_NUMBER_FMT, x); /* equal to '%g' */
else if (x == 0) { /* can be -0... */
l_sprintf(buff, sz, LUA_NUMBER_FMT, x); /* create "0" or "-0" */
strcat(buff, "x0p+0"); /* add exponent to that */
return strlen(buff);
/* create "0" or "-0" followed by exponent */
return l_sprintf(buff, sz, LUA_NUMBER_FMT "x0p+0", x);
}
else {
int e;