archive/php-src
1
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2025-08-20 01:14:28 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Fix #78238: BCMath returns "-0"

Browse source 
There is no negative zero in the decimal system, so we must suppress
the sign.

Closes GH-7250.
This commit is contained in:
Christoph M. Becker 2021-07-16 14:49:25 +02:00
parent 8f97f82e35
commit bcb89c75ec
No known key found for this signature in database
GPG key ID: D66C9593118BCCB6
5 changed files with 32 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

10
ext/bcmath/libbcmath/src/zero.c
View file

@ -40,7 +40,7 @@
/* In some places we need to check if the number NUM is zero. */
char
bc_is_zero (bc_num num)
bc_is_zero_for_scale (bc_num num, int scale)
{
int count;
char *nptr;
@ -49,7 +49,7 @@ bc_is_zero (bc_num num)
if (num == BCG(_zero_)) return TRUE;
/* Initialize */
count = num->n_len + num->n_scale;
count = num->n_len + scale;
nptr = num->n_value;
/* The check */
@ -60,3 +60,9 @@ bc_is_zero (bc_num num)
else
return TRUE;
}
char
bc_is_zero (bc_num num)
{
return bc_is_zero_for_scale(num, num->n_scale);
}