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function test151
%TEST151 test bitwise operators
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights
% Reserved. http://suitesparse.com. See GraphBLAS/Doc/License.txt.
fprintf ('test151: test bitwise operators\n') ;
[binops, ~, ~, types, ~, ~,] = GB_spec_opsall ;
types = types.int ;
ops2 = binops.int ;
int_nbits = [ 8, 16, 32, 64, 8, 16, 32, 64 ] ;
rng ('default') ;
Cin = sparse (4,4) ;
C10 = sparse (10,10) ;
for k = 1:8
type = types {k} ;
nbits = int_nbits (k) ;
fprintf ('\n%s', type) ;
for trial = 1:40
fprintf ('.') ;
% dense case
imax = double (intmax (type) / 4) ;
A = GB_mex_cast (imax * rand (4), type) ;
B = GB_mex_cast ((nbits-1) * rand (4), type) + 1 ;
clear A2 ; A2.matrix = sparse (double (A)) ; A2.class = type ;
clear B2 ; B2.matrix = sparse (double (B)) ; B2.class = type ;
A2.pattern = logical (spones (A)) ;
B2.pattern = logical (spones (B)) ;
for j = 1:length (ops2)
opname = ops2 {j} ;
% C1 = bitop (A, B) ;
op.opname = opname ; op.optype = type ;
if (isequal (opname, 'bitshift') || isequal (opname, 'bshift'))
B2.class = 'int8' ;
else
B2.class = type ;
end
C1 = GB_spec_Matrix_eWiseMult(Cin, [ ], [ ], op, A2, B2, [ ]) ;
C2 = GB_mex_Matrix_eWiseMult (Cin, [ ], [ ], op, A2, B2, [ ]) ;
GB_spec_compare (C1, C2) ;
C1 = GB_spec_Matrix_eWiseAdd (Cin, [ ], [ ], op, A2, B2, [ ]) ;
C2 = GB_mex_Matrix_eWiseAdd (Cin, [ ], [ ], op, A2, B2, [ ]) ;
GB_spec_compare (C1, C2) ;
end
% C1 = bitcmp (A) ;
op.opname = 'bitnot' ; op.optype = type ;
C1 = GB_spec_apply(Cin, [ ], [ ], op, A2, [ ]) ;
C2 = GB_mex_apply (Cin, [ ], [ ], op, A2, [ ]) ;
GB_spec_compare (C1, C2) ;
% sparse case
A = sprand (10, 10, 0.5) * imax ;
Afull = GB_mex_cast (full (A), type) ;
% B ranges in value from 0 to 8
B = round (sprand (10, 10, 0.5) * nbits) ;
Bfull = GB_mex_cast (full (B), type) ;
clear A2 ; A2.matrix = sparse (double (Afull)) ; A2.class = type ;
clear B2 ; B2.matrix = sparse (double (Bfull)) ; B2.class = type ;
A2.pattern = logical (spones (Afull)) ;
B2.pattern = logical (spones (Bfull)) ;
for j = 1:length (ops2)
opname = ops2 {j} ;
% C1 = bitop (A, B) ;
op.opname = opname ; op.optype = type ;
if (isequal (opname, 'bitshift') || isequal (opname, 'bshift'))
B2.class = 'int8' ;
else
B2.class = type ;
end
C1 = GB_spec_Matrix_eWiseMult(C10, [ ], [ ], op, A2, B2, [ ]) ;
C2 = GB_mex_Matrix_eWiseMult (C10, [ ], [ ], op, A2, B2, [ ]) ;
GB_spec_compare (C1, C2) ;
C1 = GB_spec_Matrix_eWiseAdd (C10, [ ], [ ], op, A2, B2, [ ]) ;
C2 = GB_mex_Matrix_eWiseAdd (C10, [ ], [ ], op, A2, B2, [ ]) ;
GB_spec_compare (C1, C2) ;
end
% C1 = bitcmp (Afull) ;
op.opname = 'bitnot' ; op.optype = type ;
C1 = GB_spec_apply(C10, [ ], [ ], op, A2, [ ]) ;
C2 = GB_mex_apply (C10, [ ], [ ], op, A2, [ ]) ;
GB_spec_compare (C1, C2) ;
end
end
fprintf ('\ntest151: all tests passed\n') ;
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