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//------------------------------------------------------------------------------
// GrB_Semiring_get_*: get a field in a semiring
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "get_set/GB_get_set.h"
//------------------------------------------------------------------------------
// GrB_Semiring_get_Scalar
//------------------------------------------------------------------------------
GrB_Info GrB_Semiring_get_Scalar
(
GrB_Semiring semiring,
GrB_Scalar scalar,
int field
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_RETURN_IF_NULL_OR_FAULTY (semiring) ;
GB_RETURN_IF_NULL (scalar) ;
GB_WHERE_1 (scalar, "GrB_Semiring_get_Scalar (semiring, scalar, field)") ;
ASSERT_SEMIRING_OK (semiring, "semiring to get option", GB0) ;
//--------------------------------------------------------------------------
// get the field
//--------------------------------------------------------------------------
switch ((int) field)
{
case GxB_MONOID_IDENTITY :
case GxB_MONOID_TERMINAL :
return (GB_monoid_get (semiring->add, scalar, field, Werk)) ;
default :
return (GB_op_scalar_get ((GB_Operator) (semiring->multiply),
scalar, field, Werk)) ;
}
}
//------------------------------------------------------------------------------
// GrB_Semiring_get_String
//------------------------------------------------------------------------------
GrB_Info GrB_Semiring_get_String
(
GrB_Semiring semiring,
char * value,
int field
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL_OR_FAULTY (semiring) ;
GB_RETURN_IF_NULL (value) ;
ASSERT_SEMIRING_OK (semiring, "semiring to get option", GB0) ;
//--------------------------------------------------------------------------
// get the field
//--------------------------------------------------------------------------
(*value) = '\0' ;
const char *name ;
switch ((int) field)
{
case GrB_NAME :
name = GB_semiring_name_get (semiring) ;
if (name != NULL)
{
// get the name of the semiring
strcpy (value, name) ;
}
#pragma omp flush
return (GrB_SUCCESS) ;
case GxB_THETA_TYPE_STRING : // theta input of multiply op
case GrB_INP0_TYPE_STRING : // x input of multiply op
case GrB_INP1_TYPE_STRING : // y input of multiply op
case GrB_OUTP_TYPE_STRING : // also the ztype of the monoid
return (GB_op_string_get ((GB_Operator) (semiring->multiply),
value, field)) ;
default : ;
return (GrB_INVALID_VALUE) ;
}
}
//------------------------------------------------------------------------------
// GrB_Semiring_get_INT32
//------------------------------------------------------------------------------
GrB_Info GrB_Semiring_get_INT32
(
GrB_Semiring semiring,
int32_t * value,
int field
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL_OR_FAULTY (semiring) ;
GB_RETURN_IF_NULL (value) ;
ASSERT_SEMIRING_OK (semiring, "semiring to get option", GB0) ;
//--------------------------------------------------------------------------
// get the field
//--------------------------------------------------------------------------
return (GB_op_enum_get ((GB_Operator) (semiring->multiply), value, field)) ;
}
//------------------------------------------------------------------------------
// GrB_Semiring_get_SIZE
//------------------------------------------------------------------------------
GrB_Info GrB_Semiring_get_SIZE
(
GrB_Semiring semiring,
size_t * value,
int field
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL_OR_FAULTY (semiring) ;
GB_RETURN_IF_NULL (value) ;
ASSERT_SEMIRING_OK (semiring, "semiring to get option", GB0) ;
//--------------------------------------------------------------------------
// get the field
//--------------------------------------------------------------------------
const char *name ;
switch ((int) field)
{
case GrB_NAME :
// get the length of the semiring user_name, or built-in name
name = GB_semiring_name_get (semiring) ;
break ;
case GrB_INP0_TYPE_STRING :
name = GB_type_name_get (semiring->multiply->xtype) ;
break ;
case GrB_INP1_TYPE_STRING :
name = GB_type_name_get (semiring->multiply->ytype) ;
break ;
case GrB_OUTP_TYPE_STRING :
name = GB_type_name_get (semiring->multiply->ztype) ;
break ;
case GxB_THETA_TYPE_STRING :
name = GB_type_name_get (semiring->multiply->theta_type) ;
break ;
case GxB_MONOID_OPERATOR :
case GxB_SEMIRING_MULTIPLY :
(*value) = sizeof (GrB_BinaryOp) ;
return (GrB_SUCCESS) ;
case GxB_SEMIRING_MONOID :
(*value) = sizeof (GrB_Monoid) ;
return (GrB_SUCCESS) ;
default :
return (GrB_INVALID_VALUE) ;
}
(*value) = (name == NULL) ? 1 : (strlen (name) + 1) ;
#pragma omp flush
return (GrB_SUCCESS) ;
}
//------------------------------------------------------------------------------
// GrB_Semiring_get_VOID
//------------------------------------------------------------------------------
GrB_Info GrB_Semiring_get_VOID
(
GrB_Semiring semiring,
void * value,
int field
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL_OR_FAULTY (semiring) ;
GB_RETURN_IF_NULL (value) ;
ASSERT_SEMIRING_OK (semiring, "semiring to get option", GB0) ;
//--------------------------------------------------------------------------
// get the field
//--------------------------------------------------------------------------
switch ((int) field)
{
case GxB_MONOID_OPERATOR :
memcpy (value, &(semiring->add->op), sizeof (GrB_BinaryOp)) ;
break ;
case GxB_SEMIRING_MONOID :
memcpy (value, &(semiring->add), sizeof (GrB_Monoid)) ;
break ;
case GxB_SEMIRING_MULTIPLY :
memcpy (value, &(semiring->multiply), sizeof (GrB_BinaryOp)) ;
break ;
default :
return (GrB_INVALID_VALUE) ;
}
#pragma omp flush
return (GrB_SUCCESS) ;
}
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