_-Phy (dZddlZddlZdZddZdS)zRandom sparse matrices.Ncttt||z|z||zd}tjd|dz |}tjd|dz |}tj|t}tj |||ff||fS)z,Construct base function for sprand, sprandn.r)lowhighsize)dtype)shape) maxminintnprandomrandintonesfloatspsparse csr_matrix)mndensitynnzrowcoldatas [/var/www/html/test/jupyter/venv/lib/python3.11/site-packages/pyamg/gallery/random_sparse.py _rand_sparsers c#ac'k""AaC((! , ,C )  !#  6 6C )  !#  6 6C 73e $ $ $D 9  Sz 21a&  A AAcsrct|t|}}t|||}tj|j|_||S)aReturn a random sparse matrix. Parameters ---------- m, n : int shape of the result density : float target a matrix with nnz(A) = m*n*density, 0<=density<=1 format : string sparse matrix format to return, e.g. 'csr', 'coo', etc. Returns ------- A : sparse matrix m x n sparse matrix Examples -------- >>> from pyamg.gallery import sprand >>> A = sprand(5,5,3/5.0) )r rr rrandrrasformat)rrrformatAs rsprandr%sW. q663q66qA Q7##AY^^AE " "AF ::f  r)r)__doc__numpyr scipyrrr%rrr*sU B B Br