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Merge pull request #547 from vpisarev:fixes_244

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Andrey Kamaev 2013-02-26 01:00:36 +04:00 committed by OpenCV Buildbot
commit 11b83d4000
2 changed files with 29 additions and 21 deletions
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35
modules/core/src/lapack.cpp
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@ -1095,27 +1095,30 @@ double cv::invert( InputArray _src, OutputArray _dst, int method )
if( type == CV_32FC1 ) if( type == CV_32FC1 )
{ {
double d = det3(Sf); double d = det3(Sf);
if( d != 0. )
if( fabs(d) < 1e-4 || fabs(d) > 1e4 )
result = invert(src, dst, DECOMP_SVD) > 0;
else
{ {
double t[12]; float t[12];
float df = (float)(1./d);
result = true; result = true;
d = 1./d;
t[0] = (((double)Sf(1,1) * Sf(2,2) - (double)Sf(1,2) * Sf(2,1)) * d);
t[1] = (((double)Sf(0,2) * Sf(2,1) - (double)Sf(0,1) * Sf(2,2)) * d);
t[2] = (((double)Sf(0,1) * Sf(1,2) - (double)Sf(0,2) * Sf(1,1)) * d);
t[3] = (((double)Sf(1,2) * Sf(2,0) - (double)Sf(1,0) * Sf(2,2)) * d); t[0] = (Sf(1,1) * Sf(2,2) - Sf(1,2) * Sf(2,1)) * df;
t[4] = (((double)Sf(0,0) * Sf(2,2) - (double)Sf(0,2) * Sf(2,0)) * d); t[1] = (Sf(0,2) * Sf(2,1) - Sf(0,1) * Sf(2,2)) * df;
t[5] = (((double)Sf(0,2) * Sf(1,0) - (double)Sf(0,0) * Sf(1,2)) * d); t[2] = (Sf(0,1) * Sf(1,2) - Sf(0,2) * Sf(1,1)) * df;
t[6] = (((double)Sf(1,0) * Sf(2,1) - (double)Sf(1,1) * Sf(2,0)) * d); t[3] = (Sf(1,2) * Sf(2,0) - Sf(1,0) * Sf(2,2)) * df;
t[7] = (((double)Sf(0,1) * Sf(2,0) - (double)Sf(0,0) * Sf(2,1)) * d); t[4] = (Sf(0,0) * Sf(2,2) - Sf(0,2) * Sf(2,0)) * df;
t[8] = (((double)Sf(0,0) * Sf(1,1) - (double)Sf(0,1) * Sf(1,0)) * d); t[5] = (Sf(0,2) * Sf(1,0) - Sf(0,0) * Sf(1,2)) * df;
Df(0,0) = (float)t[0]; Df(0,1) = (float)t[1]; Df(0,2) = (float)t[2]; t[6] = (Sf(1,0) * Sf(2,1) - Sf(1,1) * Sf(2,0)) * df;
Df(1,0) = (float)t[3]; Df(1,1) = (float)t[4]; Df(1,2) = (float)t[5]; t[7] = (Sf(0,1) * Sf(2,0) - Sf(0,0) * Sf(2,1)) * df;
Df(2,0) = (float)t[6]; Df(2,1) = (float)t[7]; Df(2,2) = (float)t[8]; t[8] = (Sf(0,0) * Sf(1,1) - Sf(0,1) * Sf(1,0)) * df;
Df(0,0) = t[0]; Df(0,1) = t[1]; Df(0,2) = t[2];
Df(1,0) = t[3]; Df(1,1) = t[4]; Df(1,2) = t[5];
Df(2,0) = t[6]; Df(2,1) = t[7]; Df(2,2) = t[8];
} }
} }
else else

15
modules/core/test/test_dxt.cpp
View File

@ -419,7 +419,9 @@ static void fixCCS( Mat& mat, int cols, int flags )
} }
} }
#if defined _MSC_VER && _MSC_VER >= 1700
#pragma optimize("", off)
#endif
static void mulComplex( const Mat& src1, const Mat& src2, Mat& dst, int flags ) static void mulComplex( const Mat& src1, const Mat& src2, Mat& dst, int flags )
{ {
dst.create(src1.rows, src1.cols, src1.type()); dst.create(src1.rows, src1.cols, src1.type());
@ -439,8 +441,8 @@ static void mulComplex( const Mat& src1, const Mat& src2, Mat& dst, int flags )
if( !(flags & CV_DXT_MUL_CONJ) ) if( !(flags & CV_DXT_MUL_CONJ) )
for( j = 0; j < cols; j += 2 ) for( j = 0; j < cols; j += 2 )
{ {
double re = (double)a[j]*b[j] - (double)a[j+1]*b[j+1]; double re = (double)a[j]*(double)b[j] - (double)a[j+1]*(double)b[j+1];
double im = (double)a[j+1]*b[j] + (double)a[j]*b[j+1]; double im = (double)a[j+1]*(double)b[j] + (double)a[j]*(double)b[j+1];
c[j] = (float)re; c[j] = (float)re;
c[j+1] = (float)im; c[j+1] = (float)im;
@ -448,8 +450,8 @@ static void mulComplex( const Mat& src1, const Mat& src2, Mat& dst, int flags )
else else
for( j = 0; j < cols; j += 2 ) for( j = 0; j < cols; j += 2 )
{ {
double re = (double)a[j]*b[j] + (double)a[j+1]*b[j+1]; double re = (double)a[j]*(double)b[j] + (double)a[j+1]*(double)b[j+1];
double im = (double)a[j+1]*b[j] - (double)a[j]*b[j+1]; double im = (double)a[j+1]*(double)b[j] - (double)a[j]*(double)b[j+1];
c[j] = (float)re; c[j] = (float)re;
c[j+1] = (float)im; c[j+1] = (float)im;
@ -482,6 +484,9 @@ static void mulComplex( const Mat& src1, const Mat& src2, Mat& dst, int flags )
} }
} }
} }
#if defined _MSC_VER && _MSC_VER >= 1700
#pragma optimize("", on)
#endif
} }