josh/fart
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

slight format changes to util/Matrix

Browse Source 
git-svn-id: svn://anubis/fart/trunk@18 7f9b0f55-74a9-4bce-be96-3c2cd072584d
This commit is contained in:
Josh Holtrop 2009-01-20 14:22:22 +00:00
parent 6283577b42
commit 0c8597f31b
1 changed files with 123 additions and 121 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
util/Matrix.cc
View File

@ -24,6 +24,7 @@ Matrix Matrix::identity()
return res;
}
/* Formulas from http://www.cvl.iis.u-tokyo.ac.jp/~miyazaki/tech/teche23.html */
double Matrix::determinant()
{
return m_matrix[0][0] * m_matrix[1][1] * m_matrix[2][2] * m_matrix[3][3]
@ -57,6 +58,7 @@ double Matrix::determinant()
- m_matrix[0][3] * m_matrix[1][2] * m_matrix[2][0] * m_matrix[3][1];
}
/* Formulas from http://www.cvl.iis.u-tokyo.ac.jp/~miyazaki/tech/teche23.html */
void Matrix::calculateInverse()
{
if (m_inverse_calculated)