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index = UFget ;
[ignore f] = sort (max (index.nrows, index.ncols)) ;
f = f (1:100) ;
for i = f
Prob = UFget (i)
A = Prob.A ;
if (~isreal (A))
continue
end
B = A' ;
C = cs_transpose (A) ;
if (nnz (B-C) ~= 0)
error ('!')
end
[m n] = size (A) ;
% if (m == n)
x = rand (n,1) ;
y = rand (m,1) ;
z = y+A*x ;
q = cs_gaxpy (A,x,y) ;
err = norm (z-q,1) / norm (z,1)
if (err > 1e-14)
err
error ('!')
end
% end
[i j x] = find (A) ;
p = randperm (length (i)) ;
i = i (p) ;
j = j (p) ;
x = x (p) ;
D = sparse (i,j,x) ;
E = cs_triplet (i,j,x) ;
% [i j x]
F = cs_triplet2 (i,j,x) ;
if (nnz (D-E) ~= 0)
error ('!')
end
if (nnz (F-E) ~= 0)
error ('!')
end
clear A B C D E F
% pause
end
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