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Polygon Mesh Processing Library
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Polygon Mesh Processing Library
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Generic class for \( M \times N \) matrices. More...
#include <pmp/mat_vec.h>
Public Types | |
| using | value_type = Scalar |
| The scalar type of the matrix. | |
Public Member Functions | |
| Matrix ()=default | |
| Default constructor. | |
| Matrix (Scalar s) | |
Construct with all entries initialized to Scalar s. | |
| Matrix (const std::initializer_list< Scalar > &&values) | |
| Construct from row-wise initializer list of M*N entries. | |
| Matrix (const std::initializer_list< Matrix< Scalar, M, 1 > > &&columns) | |
| constructor with N column vectors of dimension M | |
| Matrix (Scalar x, Scalar y) | |
| constructor for 2D vectors | |
| Matrix (Scalar x, Scalar y, Scalar z) | |
| constructor for 3D vectors | |
| Matrix (Scalar x, Scalar y, Scalar z, Scalar w) | |
| constructor for 4D vectors | |
| Matrix (Matrix< Scalar, 3, 1 > xyz, Scalar w) | |
| constructor for 4D vectors | |
| Matrix (Matrix< Scalar, 3, 1 > c0, Matrix< Scalar, 3, 1 > c1, Matrix< Scalar, 3, 1 > c2) | |
| construct 3x3 matrix from 3 column vectors | |
| Matrix (Matrix< Scalar, 4, 1 > c0, Matrix< Scalar, 4, 1 > c1, Matrix< Scalar, 4, 1 > c2, Matrix< Scalar, 4, 1 > c3) | |
| construct 4x4 matrix from 4 column vectors | |
| Matrix (Scalar m00, Scalar m01, Scalar m02, Scalar m03, Scalar m10, Scalar m11, Scalar m12, Scalar m13, Scalar m20, Scalar m21, Scalar m22, Scalar m23, Scalar m30, Scalar m31, Scalar m32, Scalar m33) | |
| construct 4x4 matrix from 16 (row-wise) entries | |
| template<typename Derived > | |
| Matrix (const Eigen::MatrixBase< Derived > &m) | |
| construct from Eigen | |
| template<typename OtherScalarType > | |
| Matrix (const Matrix< OtherScalarType, M, N > &m) | |
| copy constructor from other scalar type is also invoked for type-casting | |
| template<typename Derived > | |
| Matrix< Scalar, M, N > & | operator= (const Eigen::MatrixBase< Derived > &m) |
| assign from Eigen | |
| template<typename OtherScalar > | |
| operator Eigen::Matrix< OtherScalar, M, N > () const | |
| cast to Eigen | |
| Scalar & | operator() (unsigned int i, unsigned int j) |
| access entry at row i and column j | |
| const Scalar & | operator() (unsigned int i, unsigned int j) const |
| const-access entry at row i and column j | |
| Scalar & | operator[] (unsigned int i) |
| access i'th entry (use for vectors) | |
| Scalar | operator[] (unsigned int i) const |
| const-access i'th entry (use for vectors) | |
| const Scalar * | data () const |
| const-access as scalar array | |
| Scalar * | data () |
| access as scalar array | |
| void | normalize () |
| normalize matrix/vector by dividing through Frobenius/Euclidean norm | |
| Matrix< Scalar, M, N > & | operator/= (const Scalar s) |
| divide matrix by scalar | |
| Matrix< Scalar, M, N > & | operator*= (const Scalar s) |
| multiply matrix by scalar | |
| Matrix< Scalar, M, N > & | operator-= (const Matrix< Scalar, M, N > &m) |
| subtract other matrix from this matrix | |
| bool | operator== (const Matrix< Scalar, M, N > &other) const |
| component-wise comparison | |
| bool | operator!= (const Matrix< Scalar, M, N > &other) const |
| component-wise comparison | |
Static Public Member Functions | |
| static constexpr int | rows () |
| Return the number of rows of the matrix. | |
| static constexpr int | cols () |
| Return the number of columns of the matrix. | |
| static constexpr int | size () |
| Return the size (rows*cols) of the matrix. | |
| static Matrix< Scalar, M, N > | identity () |
| return identity matrix (only for square matrices, N==M) | |
Generic class for \( M \times N \) matrices.