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add workaround #17

merged 2 commits into from Oct 13, 2013

2 participants

p0nce commented Oct 13, 2013

Yesterday a gl3n user on IRC found a DMD regression:

It affected Matrix.invert(); (wrong results), starting from DMD 2.063.

A simple program to expose the bug:

import std.stdio;
import gl3n.linalg;

void main()
    mat4 M = mat4(2, 0, 0, 0, 
                  0, 1, 0, 0,
                  0, 0, 1, 0,
                  0, 0, 0, 1);

    writefln("M = %s", M);
    writefln("M = %s", M);
    writefln("M = %s", M);

This pull request is one way to workaround it.
(damn, a newline in the diff)

p0nce added some commits Oct 13, 2013
@p0nce p0nce add workaround b7fd580
@p0nce p0nce Fix quanternion unittest for x64.
Problem was both with reduced precision and not testing for values near zero.
@Dav1dde Dav1dde merged commit 9095b9a into Dav1dde:master Oct 13, 2013
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