mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2024-11-28 13:10:12 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

replaced alloca() (a.k.a. cvStackAlloc) with AutoBuffer or vector() everywhere. cvStackAlloc() is still defined, but we do not need alloca() anymore to compile and run OpenCV (fixes #889 and may be some others)

Browse Source
This commit is contained in:
Vadim Pisarevsky 2011-02-18 10:36:18 +00:00
parent 0e81d9a11c
commit c5e3869c32
3 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
modules/calib3d/src/stereogc.cpp
View File

@ -483,7 +483,7 @@ icvComputeK( CvStereoGCState* state )
int x, y, x1, d, i, j, rows = state->left->rows, cols = state->left->cols, n = 0;
int mind = state->minDisparity, nd = state->numberOfDisparities, maxd = mind + nd;
int k = MIN(MAX((nd + 2)/4, 3), nd), delta, t, sum = 0;
vector<int> _arr(k);
std::vector<int> _arr(k+1);
int *arr = &_arr[0];
for( y = 0; y < rows; y++ )
@ -902,7 +902,7 @@ CV_IMPL void cvFindStereoCorrespondenceGC( const CvArr* _left, const CvArr* _rig
icvInitStereoConstTabs();
icvInitGraySubpix( left, right, state->left, state->right );
vector<int> disp(state->numberOfDisparities);
std::vector<int> disp(state->numberOfDisparities);
CvMat _disp = cvMat( 1, (int)disp.size(), CV_32S, &disp[0] );
cvRange( &_disp, state->minDisparity, state->minDisparity + state->numberOfDisparities );
cvRandShuffle( &_disp, &rng );

3
modules/core/src/persistence.cpp
View File

@ -3619,7 +3619,6 @@ icvReadSparseMat( CvFileStorage* fs, CvFileNode* node )
CvFileNode* sizes_node;
CvSeqReader reader;
CvSeq* elements;
int* idx;
int sizes[CV_MAX_DIM_HEAP], dims, elem_type, cn;
int i;
@ -3645,7 +3644,7 @@ icvReadSparseMat( CvFileStorage* fs, CvFileNode* node )
mat = cvCreateSparseMat( dims, sizes, elem_type );
cn = CV_MAT_CN(elem_type);
idx = (int*)alloca( dims*sizeof(idx[0]) );
int idx[CV_MAX_DIM_HEAP];
elements = data->data.seq;
cvStartReadRawData( fs, data, &reader );

6
modules/ml/src/rtrees.cpp
View File

@ -646,7 +646,8 @@ float CvRTrees::predict( const CvMat* sample, const CvMat* missing ) const
if( nclasses > 0 ) //classification
{
int max_nvotes = 0;
int* votes = (int*)alloca( sizeof(int)*nclasses );
cv::AutoBuffer<int> _votes(nclasses);
int* votes = _votes;
memset( votes, 0, sizeof(*votes)*nclasses );
for( k = 0; k < ntrees; k++ )
{
@ -682,7 +683,8 @@ float CvRTrees::predict_prob( const CvMat* sample, const CvMat* missing) const
if( nclasses == 2 ) //classification
{
int max_nvotes = 0;
int* votes = (int*)alloca( sizeof(int)*nclasses );
cv::AutoBuffer<int> _votes(nclasses);
int* votes = _votes;
memset( votes, 0, sizeof(*votes)*nclasses );
for( k = 0; k < ntrees; k++ )
{