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| author | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-05-11 14:08:53 +0000 |
|---|---|---|
| committer | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-05-11 14:08:53 +0000 |
| commit | 59b9067519755792b1f70a902a3cbba5424fd3da (patch) | |
| tree | 0ae698229b04bdec191d8916dfe3204769373ad8 /src | |
| parent | 50ae9bff33a8e24236e2c27e6134d52dc3dc6301 (diff) | |
mtx_doInvert can now return whether it could invert the matrix or not
(the function returns a valid matrix, even if inversion did not succeed)
svn path=/trunk/externals/iem/iemmatrix/; revision=2950
Diffstat (limited to 'src')
| -rw-r--r-- | src/iemmatrix.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/iemmatrix.h b/src/iemmatrix.h index 8401344..025358d 100644 --- a/src/iemmatrix.h +++ b/src/iemmatrix.h @@ -138,7 +138,8 @@ void mtx_binscalar_free(t_mtx_binscalar *x); /* some math */ /* invert a square matrix (row=col=rowcol) */ -t_matrixfloat*mtx_doInvert(t_matrixfloat*input, int rowcol); +/* if "error" is non-NULL, it's content will be set to 0 if the matrix was invertable, else to non-0 */ +t_matrixfloat*mtx_doInvert(t_matrixfloat*input, int rowcol, int*error); /* transpose a matrix */ t_matrixfloat*mtx_doTranspose(t_matrixfloat*output, int row, int col); /* multiply matrix A=[rowA*colA] with matrix B=[rowB*colB]; C=A*B; colA=rowB=colArowB */ |