""" Generic matrices """ ############################################################################### # SAGE: System for Algebra and Geometry Experimentation # Copyright (C) 2006 William Stein <[email protected]> # Distributed under the terms of the GNU General Public License (GPL) # The full text of the GPL is available at: # http://www.gnu.org/licenses/ ############################################################################### cimport sage.structure.element cimport sage.structure.mutability cdef class Matrix(sage.structure.element.Matrix): # Properties of any matrix (plus _parent, inherited from base class) cdef public object _cache cdef public object _subdivisions cdef public object _base_ring cdef sage.structure.mutability.Mutability _mutability cdef bint _will_use_strassen(self, Matrix right) except -2 cdef bint _will_use_strassen_echelon(self) except -2 cdef int _strassen_default_cutoff(self, Matrix right) except -2 cdef int _strassen_default_echelon_cutoff(self) except -2 cdef long _hash(self) except -1 # Pivots. cdef _set_pivots(self, X) # Cache cdef clear_cache(self) cdef fetch(self, key) cdef cache(self, key, x) # Mutability and bounds checking cdef check_bounds(self, Py_ssize_t i, Py_ssize_t j) cdef check_mutability(self) cdef check_bounds_and_mutability(self, Py_ssize_t i, Py_ssize_t j) # Unsafe entry access cdef set_unsafe(self, Py_ssize_t i, Py_ssize_t j, object x) cdef get_unsafe(self, Py_ssize_t i, Py_ssize_t j) cdef _coerce_element(self, x) # Row and column operations cdef check_row_bounds_and_mutability(self, Py_ssize_t r1, Py_ssize_t r2) cdef check_column_bounds_and_mutability(self, Py_ssize_t c1, Py_ssize_t c2) cdef swap_rows_c(self, Py_ssize_t r1, Py_ssize_t r2) cdef swap_columns_c(self, Py_ssize_t c1, Py_ssize_t c2) cdef add_multiple_of_row_c(self, Py_ssize_t i, Py_ssize_t j, s, Py_ssize_t col_start) cdef add_multiple_of_column_c(self, Py_ssize_t i, Py_ssize_t j, s, Py_ssize_t row_start) cdef rescale_row_c(self, Py_ssize_t i, s, Py_ssize_t start_col) cdef rescale_col_c(self, Py_ssize_t i, s, Py_ssize_t start_row)
