File: csc.m

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function C = csc (G)
%CSC cosecant.
% C = csc (G) is the cosecant of each entry of G.
% Since csc (0) is nonzero, C is a full matrix.
%
% See also GrB/acsc, GrB/csch, GrB/acsch.

% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0

G = G.opaque ;
if (~gb_isfloat (gbtype (G)))
    op = 'sin.double' ;
else
    op = 'sin' ;
end

C = GrB (gbapply ('minv', gbfull (gbapply (op, G)))) ;