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added Matx<4,4>*Scalar operator (ticket #1830)

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This commit is contained in:
Vadim Pisarevsky
2012-04-25 08:59:37 +00:00
parent ed1932dfa1
commit 87888984a5
2 changed files with 29 additions and 4 deletions
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11
modules/core/include/opencv2/core/operations.hpp
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@@ -680,7 +680,16 @@ Matx<_Tp, 4, 1> operator * (const Matx<_Tp, 4, 4>& a, const Point3_<_Tp>& b)
template<typename _Tp> static inline
Scalar operator * (const Matx<_Tp, 4, 4>& a, const Scalar& b)
{
return Scalar(a*Matx<_Tp, 4, 1>(b[0],b[1],b[2],b[3]));
Matx<double, 4, 1> c(Matx<double, 4, 4>(a), b, Matx_MatMulOp());
return reinterpret_cast<const Scalar&>(c);
}
static inline
Scalar operator * (const Matx<double, 4, 4>& a, const Scalar& b)
{
Matx<double, 4, 1> c(a, b, Matx_MatMulOp());
return reinterpret_cast<const Scalar&>(c);
}

16
modules/core/test/test_operations.cpp
View File

@@ -808,6 +808,22 @@ bool CV_OperationsTest::TestMatxMultiplication()
if(res2[0] != 14.0) throw test_excep();
if(res2[1] != 6.0) throw test_excep();
if(res2[2] != 1.0) throw test_excep();
Matx44f mat44f(1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1);
Matx44d mat44d(1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1);
Scalar s(4, 3, 2, 1);
Scalar sf = mat44f*s;
Scalar sd = mat44d*s;
if(sf[0] != 10.0) throw test_excep();
if(sf[1] != 6.0) throw test_excep();
if(sf[2] != 3.0) throw test_excep();
if(sf[3] != 1.0) throw test_excep();
if(sd[0] != 10.0) throw test_excep();
if(sd[1] != 6.0) throw test_excep();
if(sd[2] != 3.0) throw test_excep();
if(sd[3] != 1.0) throw test_excep();
}
catch(const test_excep&)
{