0000266: Loss of significant information when using float

ID	Project	Category	View Status	Date Submitted	Last Update

0000266	DarkRadiant	Map Editing	public	17.04.2007 11:44	24.05.2007 12:27

Reporter	greebo	Assigned To	greebo
Priority	normal	Severity	major	Reproducibility	always
Status	closed	Resolution	fixed
Product Version	0.9.0
Fixed in Version	0.9.0

Summary	0000266: Loss of significant information when using float
Description	As already discussed some time ago in the forums, DarkRadiant is using float, whereas DoomEdit is using double. So far, this hasn't been much of a problem, but it will certainly become one (one occurrence has already been observed in the bonehoard map). As float has 6 significant digits, all items placed with the smallest grid size of 0.125 will lose information when their absolute position in 3D space is more than 999 units away from the origin, as in this brushdef: (0 0 -1 3128.13) It's obvious that the .125 fracture is being rounded to 0.13 because the 4 of the 6 significant digits are being eaten up by the 3128 part.
Tags	No tags attached.

Date Modified	Username	Field	Change
17.04.2007 11:44	greebo	New Issue
17.04.2007 11:44	greebo	Status	new => confirmed
18.04.2007 17:09	greebo	Status	confirmed => resolved
18.04.2007 17:09	greebo	Fixed in Version	=> latest SVN
18.04.2007 17:09	greebo	Resolution	open => fixed
18.04.2007 17:09	greebo	Assigned To	=> greebo
18.04.2007 17:09	greebo	Note Added: 0000580
24.05.2007 12:27	greebo	Status	resolved => closed
24.02.2011 12:07	greebo	Relationship added	related to 0002653

greebo 18.04.2007 17:09 administrator ~0000580	Mathematical structures like Vector2/3/4 and Matrix4 as well as Vertex3f/Normal3f and TexCoord2f are ported to use double instead of float.