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Commit 0bf48824 authored by Praetorius, Simon's avatar Praetorius, Simon
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Merge branch 'feature/more_fieldmatvec_operations' into 'develop' 

Added some missing FieldVector and FieldMatrix operations

See merge request !62
parents 0af5986d 5f82708b
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src/amdis/common/FieldMatVec.hpp
View file @ 0bf48824
......@@ -6,31 +6,40 @@
#include <dune/common/fmatrix.hh>
#include <dune/common/fvector.hh>
namespace std
{
template <class T, int N>
struct common_type<Dune::FieldVector<T,N>, T>
{
using type = T;
};
template <class T, int N, int M>
struct common_type<Dune::FieldMatrix<T,N,M>, T>
{
using type = T;
};
}
namespace Dune
{
// some arithmetic operations with FieldVector
template <class T, int N>
FieldVector<T,N> operator-(FieldVector<T,N> v);
template <class T, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> = 0 >
std::enable_if_t<std::is_convertible<S,T>::value, int> = 0>
FieldVector<T,N> operator*(FieldVector<T,N> v, S factor);
template <class S, class T, int N,
std::enable_if_t<std::is_arithmetic<S>::value,int> = 0 >
template <class T, int N, class S,
std::enable_if_t<std::is_convertible<S,T>::value, int> = 0>
FieldVector<T,N> operator*(S factor, FieldVector<T,N> v);
template <class T, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> = 0 >
std::enable_if_t<std::is_convertible<S,T>::value, int> = 0>
FieldVector<T,N> operator/(FieldVector<T,N> v, S factor);
template <class T>
FieldVector<T,1> operator*(FieldVector<T,1> const& v, FieldVector<T,1> const& w);
template <class T, int N>
FieldVector<T,N> operator*(FieldVector<T,1> const& factor, FieldVector<T,N> v);
template <class T, int N>
FieldVector<T,N> operator*(FieldVector<T,N> v, FieldVector<T,1> const& factor);
// ----------------------------------------------------------------------------
/// Cross-product a 2d-vector = orthogonal vector
......@@ -45,10 +54,6 @@ namespace Dune
template <class T, class S, int N>
auto dot(FieldVector<T,N> const& vec1, FieldVector<S,N> const& vec2);
template <class T, int N, int M,
std::enable_if_t<( N!=1 && M!=1 ),int> = 0>
auto operator*(FieldVector<T,N> const& v, FieldVector<T,M> const& w);
template <class T, class S, int N>
auto dot(FieldMatrix<T,1,N> const& vec1, FieldMatrix<S,1,N> const& vec2);
......@@ -194,15 +199,15 @@ namespace Dune
template <class T, int M, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> = 0 >
std::enable_if_t<std::is_convertible<S,T>::value, int> = 0>
FieldMatrix<T,M,N> operator*(S scalar, FieldMatrix<T, M, N> A);
template <class T, int M, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> = 0 >
std::enable_if_t<std::is_convertible<S,T>::value, int> = 0>
FieldMatrix<T,M,N> operator*(FieldMatrix<T, M, N> A, S scalar);
template <class T, int M, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> = 0 >
std::enable_if_t<std::is_convertible<S,T>::value, int> = 0>
FieldMatrix<T,M,N> operator/(FieldMatrix<T, M, N> A, S scalar);
......@@ -216,19 +221,11 @@ namespace Dune
template <class T, int N, int M>
FieldVector<T,N> operator*(FieldMatrix<T,N,M> const& mat, FieldVector<T,M> const& vec);
template <class T, int N, int M>
FieldMatrix<T,N,M> operator*(FieldMatrix<T,N,M> mat, FieldVector<T,1> const& scalar);
template <class T, int N>
FieldMatrix<T,N,1> operator*(FieldMatrix<T,N,1> mat, FieldVector<T,1> const& scalar);
// -----------------------------------------------------------------------------
template <class T, int M, int N, int L>
FieldMatrix<T,M,N> multiplies(FieldMatrix<T, M, L> const& A, FieldMatrix<T, L, N> const& B);
template <class T, int M, int N, int L>
FieldMatrix<T,M,N> multiplies_AtB(FieldMatrix<T, L, M> const& A, FieldMatrix<T, N, L> const& B);
......@@ -241,6 +238,35 @@ namespace Dune
template <class T, int M, int N>
FieldMatrix<T,M,N>& multiplies_ABt(FieldMatrix<T, M, N> const& A, DiagonalMatrix<T, N> const& B, FieldMatrix<T,M,N>& C);
// -----------------------------------------------------------------------------
template <class T>
T operator*(FieldVector<T, 1> lhs, FieldVector<T, 1> rhs);
template <class T>
T operator*(FieldMatrix<T, 1, 1> lhs, FieldMatrix<T, 1, 1> rhs);
template <class T>
T operator*(FieldVector<T, 1> lhs, FieldMatrix<T, 1, 1> rhs);
template <class T>
T operator*(FieldMatrix<T, 1, 1> lhs, FieldVector<T, 1> rhs);
// -----------------------------------------------------------------------------
template <class T, int N>
T const& at(FieldMatrix<T,N,1> const& vec, std::size_t i);
template <class T, int M>
T const& at(FieldMatrix<T,1,M> const& vec, std::size_t i);
// necessary specialization to resolve ambiguous calls
template <class T>
T const& at(FieldMatrix<T,1,1> const& vec, std::size_t i);
template <class T, int N>
T const& at(FieldVector<T,N> const& vec, std::size_t i);
} // end namespace Dune
namespace AMDiS
......
src/amdis/common/FieldMatVec.inc.hpp
View file @ 0bf48824
......@@ -13,45 +13,33 @@ namespace Dune {
// some arithmetic operations with FieldVector
template <class T, int N>
FieldVector<T,N> operator-(FieldVector<T,N> v)
{
return v *= -1;
}
template <class T, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> >
std::enable_if_t<std::is_convertible<S,T>::value, int>>
FieldVector<T,N> operator*(FieldVector<T,N> v, S factor)
{
return v *= factor;
}
template <class S, class T, int N,
std::enable_if_t<std::is_arithmetic<S>::value,int> >
template <class T, int N, class S,
std::enable_if_t<std::is_convertible<S,T>::value, int>>
FieldVector<T,N> operator*(S factor, FieldVector<T,N> v)
{
return v *= factor;
}
template <class T, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> >
std::enable_if_t<std::is_convertible<S,T>::value, int>>
FieldVector<T,N> operator/(FieldVector<T,N> v, S factor)
{
return v /= factor;
}
template <class T>
FieldVector<T,1> operator*(FieldVector<T,1> const& v, FieldVector<T,1> const& w)
{
return {v[0] * w[0]};
}
template <class T, int N>
FieldVector<T,N> operator*(FieldVector<T,1> const& factor, FieldVector<T,N> v)
{
return v *= factor[0];
}
template <class T, int N>
FieldVector<T,N> operator*(FieldVector<T,N> v, FieldVector<T,1> const& factor)
{
return v *= factor[0];
}
// ----------------------------------------------------------------------------
/// Cross-product a 2d-vector = orthogonal vector
......@@ -77,14 +65,6 @@ auto dot(FieldVector<T,N> const& vec1, FieldVector<S,N> const& vec2)
return vec1.dot(vec2);
}
template <class T, int N, int M,
std::enable_if_t<( N!=1 && M!=1 ),int> >
auto operator*(FieldVector<T,N> const& v, FieldVector<T,M> const& w)
{
static_assert(M == N, "Requires vectors of the same type!");
return v.dot(w);
}
template <class T, class S, int N>
auto dot(FieldMatrix<T,1,N> const& vec1, FieldMatrix<S,1,N> const& vec2)
{
......@@ -371,21 +351,21 @@ FieldMatrix<T,N,M> trans(FieldMatrix<T, M, N> const& A)
template <class T, int M, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> >
std::enable_if_t<std::is_convertible<S,T>::value, int>>
FieldMatrix<T,M,N> operator*(S scalar, FieldMatrix<T, M, N> A)
{
return A *= scalar;
}
template <class T, int M, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> >
std::enable_if_t<std::is_convertible<S,T>::value, int>>
FieldMatrix<T,M,N> operator*(FieldMatrix<T, M, N> A, S scalar)
{
return A *= scalar;
}
template <class T, int M, int N, class S,
std::enable_if_t<std::is_arithmetic<S>::value,int> >
std::enable_if_t<std::is_convertible<S,T>::value, int>>
FieldMatrix<T,M,N> operator/(FieldMatrix<T, M, N> A, S scalar)
{
return A /= scalar;
......@@ -410,28 +390,12 @@ FieldVector<T,N> operator*(FieldMatrix<T,N,M> const& mat, FieldVector<T,M> const
return Dune::FMatrixHelp::mult(mat, vec);
}
template <class T, int N, int M>
FieldMatrix<T,N,M> operator*(FieldMatrix<T,N,M> mat, FieldVector<T,1> const& scalar)
{
return mat *= scalar[0];
}
template <class T, int N>
FieldMatrix<T,N,1> operator*(FieldMatrix<T,N,1> mat, FieldVector<T,1> const& scalar)
{
return mat *= scalar[0];
}
template <class T, int M, int N, int L>
FieldMatrix<T,M,N> multiplies(FieldMatrix<T, M, L> const& A, FieldMatrix<T, L, N> const& B)
{
return A.rightmultiplyany(B);
}
template <class T, int M, int N, int L>
FieldMatrix<T,M,N> multiplies_AtB(FieldMatrix<T, L, M> const& A, FieldMatrix<T, N, L> const& B)
{
......@@ -451,15 +415,7 @@ template <class T, int M, int N, int L>
FieldMatrix<T,M,N> multiplies_ABt(FieldMatrix<T, M, L> const& A, FieldMatrix<T, N, L> const& B)
{
FieldMatrix<T,M,N> C;
for (int m = 0; m < M; ++m) {
for (int n = 0; n < N; ++n) {
C[m][n] = 0;
for (int l = 0; l < L; ++l)
C[m][n] += A[m][l] * B[n][l];
}
}
return C;
return multiplies_ABt(A,B,C);
}
template <class T, int M, int N, int L>
......@@ -486,6 +442,56 @@ FieldMatrix<T,M,N>& multiplies_ABt(FieldMatrix<T, M, N> const& A, DiagonalMatri
return C;
}
template <class T>
T operator*(FieldVector<T,1> lhs, FieldVector<T,1> rhs)
{
return lhs[0] * rhs[0];
}
template <class T>
T operator*(FieldMatrix<T,1,1> lhs, FieldMatrix<T,1,1> rhs)
{
return lhs[0][0] * rhs[0][0];
}
template <class T>
T operator*(FieldVector<T,1> lhs, FieldMatrix<T,1,1> rhs)
{
return lhs[0] * rhs[0][0];
}
template <class T>
T operator*(FieldMatrix<T,1,1> lhs, FieldVector<T,1> rhs)
{
return lhs[0][0] * rhs[0];
}
template <class T, int N>
T const& at(FieldMatrix<T,N,1> const& vec, std::size_t i)
{
return vec[i][0];
}
template <class T, int M>
T const& at(FieldMatrix<T,1,M> const& vec, std::size_t i)
{
return vec[0][i];
}
template <class T>
T const& at(FieldMatrix<T,1,1> const& vec, std::size_t i)
{
return vec[0][i];
}
template <class T, int N>
T const& at(FieldVector<T,N> const& vec, std::size_t i)
{
return vec[i];
}
} // end namespace AMDiS
#endif
test/FieldMatVecTest.cpp
View file @ 0bf48824
......@@ -128,12 +128,88 @@ void test2()
AMDIS_TEST_EQ( sol, a );
}
// test of scalar wrapper FieldVector<T,1> and FieldMatrix<T,1,1>
void test3()
{
using V = FieldVector<double, 3>;
using M = FieldMatrix<double, 3, 3>;
V a{1.0, 2.0, 3.0};
M A{ {1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {0.0, 0.0, 1.0} };
using VD = FieldVector<double, 1>;
using MD = FieldMatrix<double, 1, 1>;
VD vd1 = 1.0;
MD md1 = 1.0;
using VI = FieldVector<int, 1>;
using MI = FieldMatrix<int, 1, 1>;
VI vi1 = 1;
MI mi1 = 1;
// scale a vector
AMDIS_TEST_EQ( 1*a, a );
AMDIS_TEST_EQ( 1.0*a, a );
AMDIS_TEST_EQ( a*1, a );
AMDIS_TEST_EQ( a*1.0, a );
AMDIS_TEST_EQ( vd1*a, a );
AMDIS_TEST_EQ( a*vd1, a );
AMDIS_TEST_EQ( vi1*a, a );
AMDIS_TEST_EQ( a*vi1, a );
AMDIS_TEST_EQ( md1*a, a );
AMDIS_TEST_EQ( a*md1, a );
AMDIS_TEST_EQ( mi1*a, a );
AMDIS_TEST_EQ( a*mi1, a );
AMDIS_TEST_EQ( a/1, a );
AMDIS_TEST_EQ( a/1.0, a );
AMDIS_TEST_EQ( a/vd1, a );
AMDIS_TEST_EQ( a/vi1, a );
AMDIS_TEST_EQ( a/md1, a );
AMDIS_TEST_EQ( a/mi1, a );
// scale a matrix
AMDIS_TEST_EQ( 1*A, A );
AMDIS_TEST_EQ( 1.0*A, A );
AMDIS_TEST_EQ( A*1, A );
AMDIS_TEST_EQ( A*1.0, A );
AMDIS_TEST_EQ( vd1*A, A );
AMDIS_TEST_EQ( A*vd1, A );
AMDIS_TEST_EQ( vi1*A, A );
AMDIS_TEST_EQ( A*vi1, A );
AMDIS_TEST_EQ( md1*A, A );
AMDIS_TEST_EQ( A*md1, A );
AMDIS_TEST_EQ( mi1*A, A );
AMDIS_TEST_EQ( A*mi1, A );
AMDIS_TEST_EQ( A/1, A );
AMDIS_TEST_EQ( A/1.0, A );
AMDIS_TEST_EQ( A/vd1, A );
AMDIS_TEST_EQ( A/vi1, A );
AMDIS_TEST_EQ( A/md1, A );
AMDIS_TEST_EQ( A/mi1, A );
AMDIS_TEST_EQ( vd1*vd1, 1.0 );
AMDIS_TEST_EQ( vd1*md1, 1.0 );
AMDIS_TEST_EQ( md1*md1, 1.0 );
AMDIS_TEST_EQ( md1*vd1, 1.0 );
AMDIS_TEST_EQ( vd1*1.0, 1.0 );
AMDIS_TEST_EQ( md1*1.0, 1.0 );
AMDIS_TEST_EQ( 1.0*md1, 1.0 );
AMDIS_TEST_EQ( 1.0*vd1, 1.0 );
AMDIS_TEST_EQ( vi1*vi1, 1 );
AMDIS_TEST_EQ( vi1*mi1, 1 );
AMDIS_TEST_EQ( mi1*mi1, 1 );
AMDIS_TEST_EQ( mi1*vi1, 1 );
}
int main()
{
test0();
test1();
test2();
test3();
return report_errors();
}
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