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//------------------------------------------------------------------------------
// GxB_Context_new: create a new Context
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Default values are set to the current GxB_CONTEXT_WORLD settings.
#include "GB.h"
GrB_Info GxB_Context_new // create a new Context
(
GxB_Context *Context_handle // handle of Context to create
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_CHECK_INIT ;
GB_RETURN_IF_NULL (Context_handle) ;
(*Context_handle) = NULL ;
GxB_Context Context = NULL ;
//--------------------------------------------------------------------------
// create the Context
//--------------------------------------------------------------------------
// allocate the Context
size_t header_size ;
Context = GB_MALLOC_MEMORY (1, sizeof (struct GB_Context_opaque),
&header_size);
if (Context == NULL)
{
// out of memory
return (GrB_OUT_OF_MEMORY) ;
}
Context->magic = GB_MAGIC ;
Context->header_size = header_size ;
Context->user_name = NULL ; // user_name for GrB_get/GrB_set
Context->user_name_size = 0 ;
// initialize the Context with the same settings as GxB_CONTEXT_WORLD
Context->nthreads_max = GB_Context_nthreads_max_get (NULL) ;
Context->chunk = GB_Context_chunk_get (NULL) ;
Context->gpu_id = GB_Context_gpu_id_get (NULL) ;
// return the result
(*Context_handle) = Context ;
return (GrB_SUCCESS) ;
}
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