MatrixWindow Struct Reference

Half-open rectangular submatrix descriptor: [begin_row, end_row) x [begin_column, end_column). More...

#include <mat-arith.hpp>

Public Member Functions
	MatrixWindow (long x, long y, long nrows, long ncols)
bool	sameSize (const MatrixWindow &b) const

Public Attributes
long	begin_row
long	begin_column
long	end_row
long	end_column

Detailed Description

Half-open rectangular submatrix descriptor: [begin_row, end_row) x [begin_column, end_column).

Note

AI-generated documentation. Verify against the source before relying on it.

Constructed as MatrixWindow(first_row, first_col, nrows, ncols) to make caller-side window math read naturally. Used by the dense / sparse matrix arithmetic templates to restrict an operation to a rectangular block without materialising a copy. sameSize returns true when two windows have matching dimensions, the precondition for entrywise add / subtract / copy.

Definition at line 61 of file mat-arith.hpp.

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The documentation for this struct was generated from the following file:

• Macaulay2/e/mat-arith.hpp