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author | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-05-11 14:06:27 +0000 |
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committer | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-05-11 14:06:27 +0000 |
commit | 6b7852c0eff01e7d224882aa5caf3a1677c13d20 (patch) | |
tree | 6e5cb2a2f1030898097abd769223bc797faf3922 /src/mtx_mul.c | |
parent | c74f9041a42d95190b88990e91c2587f2f57a056 (diff) |
added safety checks whether the matrix is non-NULL
svn path=/trunk/externals/iem/iemmatrix/; revision=2948
Diffstat (limited to 'src/mtx_mul.c')
-rw-r--r-- | src/mtx_mul.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mtx_mul.c b/src/mtx_mul.c index ef0f12b..8272d53 100644 --- a/src/mtx_mul.c +++ b/src/mtx_mul.c @@ -24,13 +24,16 @@ */ t_matrixfloat*mtx_doMultiply(int rowA, t_matrixfloat*A, int colArowB, t_matrixfloat*B, int colB){ - t_matrixfloat*result=(t_matrixfloat*)getbytes(sizeof(t_matrixfloat)*rowA*colB); + t_matrixfloat*result=0; + if(!A || !B || !rowA || !colArowB || !colB)return 0; + result=(t_matrixfloat*)getbytes(sizeof(t_matrixfloat)*rowA*colB); int r, c, n; for(r=0; r<rowA; r++){ for(c=0; c<colB; c++){ t_matrixfloat sum=0.f; for(n=0;n<colArowB; n++) sum+=A[colArowB*r+n]*B[colB*n+c]; + result[colB*r+c]=sum; } } return result; |