griefith/test2
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

prevent floating point exceptions from being raised in soft_range_round_up/soft_range_round_down(), caused by log(0).

Browse Source
This commit is contained in:
Campbell Barton
2012-11-07 11:28:50 +00:00
parent a10ed84bf4
commit f6c159654f
1 changed files with 6 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
source/blender/editors/interface/interface.c
View File

@@ -1902,8 +1902,9 @@ void ui_set_but_default(bContext *C, short all)
static double soft_range_round_up(double value, double max)
{
/* round up to .., 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, .. */
double newmax = pow(10.0, ceil(log(value) / M_LN10));
/* round up to .., 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, ..
* checking for 0.0 prevents floating point exceptions */
double newmax = (value != 0.0) ? pow(10.0, ceil(log(value) / M_LN10)) : 0.0;
if (newmax * 0.2 >= max && newmax * 0.2 >= value)
return newmax * 0.2;
@@ -1915,8 +1916,9 @@ static double soft_range_round_up(double value, double max)
static double soft_range_round_down(double value, double max)
{
/* round down to .., 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, .. */
double newmax = pow(10.0, floor(log(value) / M_LN10));
/* round down to .., 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, ..
* checking for 0.0 prevents floating point exceptions */
double newmax = (value != 0.0) ? pow(10.0, floor(log(value) / M_LN10)) : 0.0;
if (newmax * 5.0 <= max && newmax * 5.0 <= value)
return newmax * 5.0;