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//------------------------------------------------------------------------------
// GB_Semiring_new: create a new semiring
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
#include "GB_Semiring_new.h"
GrB_Info GB_Semiring_new // create a semiring
(
GrB_Semiring semiring, // semiring to create
GrB_Monoid add, // additive monoid of the semiring
GrB_BinaryOp multiply // multiply operator of the semiring
)
{
// printf("inside GB_semiring_new\n");
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
ASSERT (semiring != NULL) ;
ASSERT (add != NULL) ;
ASSERT (multiply != NULL) ;
ASSERT_MONOID_OK (add, "semiring->add", GB0) ;
ASSERT_BINARYOP_OK (multiply, "semiring->multiply", GB0) ;
//--------------------------------------------------------------------------
// create the semiring
//--------------------------------------------------------------------------
// z = multiply(x,y); type of z must match monoid z = add(z,z)
if (multiply->ztype != add->op->ztype)
{
// printf("z doesn't match monoid z\n");
return (GrB_DOMAIN_MISMATCH) ;
}
// initialize the semiring
semiring->magic = GB_MAGIC ;
semiring->add = add ;
semiring->multiply = multiply ;
ASSERT_SEMIRING_OK (semiring, "new semiring", GB0) ;
return (GrB_SUCCESS) ;
}
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