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//------------------------------------------------------------------------------
// GxB_Context_get: get a field of Context (HISTORICAL; do not use for new code)
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
//------------------------------------------------------------------------------
// GxB_Context_get_INT32: get a Context option (int32_t)
//------------------------------------------------------------------------------
GrB_Info GxB_Context_get_INT32 // get a parameter of a Context
(
GxB_Context Context, // Context to query
int field, // parameter to query
int32_t *value // return value from the Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL_OR_FAULTY (Context) ;
GB_RETURN_IF_NULL (value) ;
//--------------------------------------------------------------------------
// get the parameter
//--------------------------------------------------------------------------
switch (field)
{
case GxB_CONTEXT_NTHREADS : // same as GxB_NTHREADS
(*value) = GB_Context_nthreads_max_get (Context) ;
break ;
case GxB_CONTEXT_GPU_ID : // same as GxB_GPU_ID
(*value) = GB_Context_gpu_id_get (Context) ;
break ;
default :
return (GrB_INVALID_VALUE) ;
}
#pragma omp flush
return (GrB_SUCCESS) ;
}
//------------------------------------------------------------------------------
// GxB_Context_get_FP64: get a Context option (double scalar)
//------------------------------------------------------------------------------
GrB_Info GxB_Context_get_FP64 // get a parameter in a Context
(
GxB_Context Context, // Context to query
int field, // parameter to query
double *value // return value from the Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL_OR_FAULTY (Context) ;
GB_RETURN_IF_NULL (value) ;
//--------------------------------------------------------------------------
// get the parameter
//--------------------------------------------------------------------------
switch (field)
{
case GxB_CONTEXT_CHUNK : // same as GxB_CHUNK
(*value) = GB_Context_chunk_get (Context) ;
break ;
default :
return (GrB_INVALID_VALUE) ;
}
#pragma omp flush
return (GrB_SUCCESS) ;
}
//------------------------------------------------------------------------------
// GxB_Context_get: get a Context option (va_arg variant)
//------------------------------------------------------------------------------
GrB_Info GxB_Context_get // get a parameter in a Context
(
GxB_Context Context, // Context to query
int field, // parameter to query
... // return value of the descriptor
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL_OR_FAULTY (Context) ;
//--------------------------------------------------------------------------
// get the parameter
//--------------------------------------------------------------------------
va_list ap ;
switch (field)
{
case GxB_CONTEXT_NTHREADS : // same as GxB_NTHREADS
{
va_start (ap, field) ;
int *value = va_arg (ap, int *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (value) ;
(*value) = GB_Context_nthreads_max_get (Context) ;
}
break ;
case GxB_CONTEXT_GPU_ID : // same as GxB_GPU_ID
{
va_start (ap, field) ;
int *value = va_arg (ap, int *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (value) ;
(*value) = GB_Context_gpu_id_get (Context) ;
}
break ;
case GxB_CONTEXT_CHUNK : // same as GxB_CHUNK
{
va_start (ap, field) ;
double *value = va_arg (ap, double *) ;
va_end (ap) ;
GB_RETURN_IF_NULL (value) ;
(*value) = GB_Context_chunk_get (Context) ;
}
break ;
default :
return (GrB_INVALID_VALUE) ;
}
#pragma omp flush
return (GrB_SUCCESS) ;
}
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