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Merge pull request #13928 from catree:add_matx_div_operations

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Alexander Alekhin 2020-02-21 22:35:03 +03:00 committed by GitHub
commit 966c2191cb
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2 changed files with 80 additions and 0 deletions
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28
modules/core/include/opencv2/core/matx.hpp
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@ -1279,6 +1279,34 @@ Matx<_Tp, m, n> operator * (double alpha, const Matx<_Tp, m, n>& a)
return Matx<_Tp, m, n>(a, alpha, Matx_ScaleOp());
}
template<typename _Tp, int m, int n> static inline
Matx<_Tp, m, n>& operator /= (Matx<_Tp, m, n>& a, float alpha)
{
for( int i = 0; i < m*n; i++ )
a.val[i] = a.val[i] / alpha;
return a;
}
template<typename _Tp, int m, int n> static inline
Matx<_Tp, m, n>& operator /= (Matx<_Tp, m, n>& a, double alpha)
{
for( int i = 0; i < m*n; i++ )
a.val[i] = a.val[i] / alpha;
return a;
}
template<typename _Tp, int m, int n> static inline
Matx<_Tp, m, n> operator / (const Matx<_Tp, m, n>& a, float alpha)
{
return Matx<_Tp, m, n>(a, 1.f/alpha, Matx_ScaleOp());
}
template<typename _Tp, int m, int n> static inline
Matx<_Tp, m, n> operator / (const Matx<_Tp, m, n>& a, double alpha)
{
return Matx<_Tp, m, n>(a, 1./alpha, Matx_ScaleOp());
}
template<typename _Tp, int m, int n> static inline
Matx<_Tp, m, n> operator - (const Matx<_Tp, m, n>& a)
{

52
modules/core/test/test_operations.cpp
View File

@ -69,6 +69,8 @@ protected:
bool TestVec();
bool TestMatxMultiplication();
bool TestMatxElementwiseDivison();
bool TestDivisionByValue();
bool TestInplaceDivisionByValue();
bool TestMatMatxCastSum();
bool TestSubMatAccess();
bool TestExp();
@ -976,6 +978,50 @@ bool CV_OperationsTest::TestMatxElementwiseDivison()
return true;
}
bool CV_OperationsTest::TestDivisionByValue()
{
try
{
Matx22f mat(2, 4, 6, 8);
float alpha = 2.f;
Matx22f res = mat / alpha;
if(res(0, 0) != 1.0) throw test_excep();
if(res(0, 1) != 2.0) throw test_excep();
if(res(1, 0) != 3.0) throw test_excep();
if(res(1, 1) != 4.0) throw test_excep();
}
catch(const test_excep&)
{
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
return false;
}
return true;
}
bool CV_OperationsTest::TestInplaceDivisionByValue()
{
try
{
Matx22f mat(2, 4, 6, 8);
float alpha = 2.f;
mat /= alpha;
if(mat(0, 0) != 1.0) throw test_excep();
if(mat(0, 1) != 2.0) throw test_excep();
if(mat(1, 0) != 3.0) throw test_excep();
if(mat(1, 1) != 4.0) throw test_excep();
}
catch(const test_excep&)
{
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
return false;
}
return true;
}
bool CV_OperationsTest::TestVec()
{
@ -1204,6 +1250,12 @@ void CV_OperationsTest::run( int /* start_from */)
if (!TestMatxElementwiseDivison())
return;
if (!TestDivisionByValue())
return;
if (!TestInplaceDivisionByValue())
return;
if (!TestMatMatxCastSum())
return;