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function test75
%TEST75 test GrB_mxm and GrB_vxm on all semirings
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
[binops, ~, add_ops, types, ~, ~] = GB_spec_opsall ;
% mult_ops = binops.positional ;
mult_ops = binops.all ;
types = types.all ;
rng ('default') ;
m = 200 ;
n = 5 ;
A_sparse = sprandn (m, n, 0.1) ;
A_sparse (:,3) = 0 ;
A_sparse (2,3) = 1.7 ;
A_sparse (18,3) = 2.2 ;
A_sparse (:,1:2) = sparse (rand (m,2)) ;
A_sparse (1,1) = 0;
A_sparse (18,1) = 0;
A_sparse (:,5) = 0 ;
A_sparse (1,5) = 11 ;
A_sparse (2,5) = 23 ;
A_sparse (18,5) = 33 ;
B_sparse = sprandn (m, n, 0.1) ;
B_sparse (:,1) = 0 ;
B_sparse (1,1) = 3 ;
B_sparse (18,1) = 2 ;
B_sparse (:,[2 n]) = sparse (rand (m,2)) ;
B_sparse (3,2) = 0 ;
B_sparse (18,2) = 0 ;
A_sparse (:,3) = 0 ;
B_sparse (2,1) = 7 ;
B_sparse (18,1) = 8 ;
B_sparse (19,1) = 9 ;
x_sparse = sparse (rand (m,1)) ;
x_sparse (99) = 0 ;
y_sparse = sparse (zeros (m,1)) ;
y_sparse (99) = 1 ;
A.matrix = A_sparse ;
A.class = 'see below' ;
A.pattern = logical (spones (A_sparse)) ;
B.matrix = B_sparse ;
B.class = 'see below' ;
B.pattern = logical (spones (B_sparse)) ;
X.matrix = x_sparse ;
X.class = 'see below' ;
X.pattern = logical (spones (x_sparse)) ;
Y.matrix = y_sparse ;
Y.class = 'see below' ;
Y.pattern = logical (spones (y_sparse)) ;
fprintf ('\n-------------- GrB_mxm, vxm (dot product) on all semirings\n') ;
Cin = sparse (n, n) ;
Din = 10 * sparse (rand (n, n)) ;
D.matrix = Din ;
D.class = 'see below' ;
D.pattern = true (n,n) ;
Xin = sparse (n, 1) ;
Mask = sparse (ones (n,n)) ;
mask = sparse (ones (n,1)) ;
dnn = struct ;
dtn = struct ( 'inp0', 'tran' ) ;
dtn_dot = struct ( 'inp0', 'tran', 'axb', 'dot' ) ;
dtn_saxpy = struct ( 'inp0', 'tran', 'axb', 'saxpy' ) ;
dnt = struct ( 'inp1', 'tran' ) ;
dtt = struct ( 'inp0', 'tran', 'inp1', 'tran' ) ;
n_semirings = 0 ;
for k1 = 1:length(mult_ops)
mulop = mult_ops {k1} ;
fprintf ('\n%s', mulop) ;
for k2 = 1:length(add_ops)
addop = add_ops {k2} ;
for k3 = 1:length (types)
semiring_type = types {k3} ;
semiring.multiply = mulop ;
semiring.add = addop ;
semiring.class = semiring_type ;
% create the semiring. some are not valid because the or,and,xor,eq
% monoids can only be used when z is boolean for z=mult(x,y).
try
[mult_op add_op id] = GB_spec_semiring (semiring) ;
[mult_opname mult_optype ztype xtype ytype] = GB_spec_operator (mult_op) ;
[ add_opname add_optype] = GB_spec_operator (add_op) ;
identity = GB_spec_identity (semiring.add, add_optype) ;
catch
continue
end
A.class = semiring_type ;
B.class = semiring_type ;
X.class = semiring_type ;
Y.class = semiring_type ;
D.class = add_op.optype ;
n_semirings = n_semirings + 1 ;
fprintf ('.') ;
% C<M> = A'*B, with mask
C1 = GB_mex_mxm (Cin, Mask, [ ], semiring, A, B, dtn_dot);
C2 = GB_spec_mxm (Cin, Mask, [ ], semiring, A, B, dtn) ;
GB_spec_compare (C1, C2, id) ;
C1 = GB_mex_mxm (Cin, Mask, [ ], semiring, A, B, dtn_saxpy);
GB_spec_compare (C1, C2, id) ;
% C<M> += A'*B, C dense, typecasting of C
C1 = GB_mex_mxm (Din, Mask, add_op, semiring, A, B, dtn_dot) ;
C2 = GB_spec_mxm (Din, Mask, add_op, semiring, A, B, dtn) ;
GB_spec_compare (C1, C2, id) ;
C1 = GB_mex_mxm (Din, Mask, add_op, semiring, A, B, dtn_saxpy) ;
GB_spec_compare (C1, C2, id) ;
% C<M> += A'*B, C dense, no typecasting of C
C1 = GB_mex_mxm (D, Mask, add_op, semiring, A, B, dtn_dot) ;
C2 = GB_spec_mxm (D, Mask, add_op, semiring, A, B, dtn) ;
GB_spec_compare (C1, C2, id) ;
C1 = GB_mex_mxm (D, Mask, add_op, semiring, A, B, dtn_saxpy) ;
GB_spec_compare (C1, C2, id) ;
% C += A'*B, C dense, typecasting of C
C1 = GB_mex_mxm (Din, [ ], add_op, semiring, A, B, dtn_dot) ;
C2 = GB_spec_mxm (Din, [ ], add_op, semiring, A, B, dtn) ;
GB_spec_compare (C1, C2, id) ;
C1 = GB_mex_mxm (Din, [ ], add_op, semiring, A, B, dtn_saxpy) ;
GB_spec_compare (C1, C2, id) ;
% C += A'*B, C dense, no typecasting of C
C1 = GB_mex_mxm (D, [ ], add_op, semiring, A, B, dtn_dot) ;
C2 = GB_spec_mxm (D, [ ], add_op, semiring, A, B, dtn) ;
GB_spec_compare (C1, C2, id) ;
C1 = GB_mex_mxm (D, [ ], add_op, semiring, A, B, dtn_saxpy) ;
GB_spec_compare (C1, C2, id) ;
% X = u*A, with mask
C1 = GB_mex_vxm (Xin, mask, [ ], semiring, X, A, [ ]) ;
C2 = GB_spec_vxm (Xin, mask, [ ], semiring, X, A, [ ]) ;
GB_spec_compare (C1, C2, id) ;
if (k3 == 1)
% repeat but with typecasting, to test generic A'*B
A.class = 'double' ;
% C = A'*B, with mask
C1 = GB_mex_mxm (Cin, Mask, [ ], semiring, A, B, dtn);
C2 = GB_spec_mxm (Cin, Mask, [ ], semiring, A, B, dtn);
GB_spec_compare (C1, C2, id) ;
% X = u*A, with mask
C1 = GB_mex_vxm (Xin, mask, [ ], semiring, X, A, [ ]);
C2 = GB_spec_vxm (Xin, mask, [ ], semiring, X, A, [ ]);
GB_spec_compare (C1, C2, id) ;
% X = u*A, with mask
C1 = GB_mex_vxm (Xin, mask, [ ], semiring, Y, A, [ ]);
C2 = GB_spec_vxm (Xin, mask, [ ], semiring, Y, A, [ ]);
GB_spec_compare (C1, C2, id) ;
end
end
end
end
n_semirings
fprintf ('\ntest75: all tests passed\n') ;
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