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//------------------------------------------------------------------------------
// GxB_Vector_Iterator: iterate over the entries of a vector
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
#undef GxB_Vector_Iterator_getpmax
#undef GxB_Vector_Iterator_seek
#undef GxB_Vector_Iterator_next
#undef GxB_Vector_Iterator_getp
#undef GxB_Vector_Iterator_getIndex
GrB_Info GxB_Vector_Iterator_attach
(
// input/output:
GxB_Iterator iterator, // iterator to attach to the vector v
// input
GrB_Vector v, // vector to attach
GrB_Descriptor desc
)
{
return (GB_Iterator_attach (iterator, (GrB_Matrix) v, GxB_NO_FORMAT,
desc)) ;
}
GrB_Info GB_Vector_Iterator_bitmap_seek
(
GxB_Iterator iterator,
GrB_Index unused // note: unused parameter to be removed in v8.x
)
{
for ( ; iterator->p < iterator->pmax ; iterator->p++)
{
if (iterator->Ab [iterator->p])
{
// found next entry
return (GrB_SUCCESS) ;
}
}
return (GxB_EXHAUSTED) ;
}
GrB_Index GxB_Vector_Iterator_getpmax (GxB_Iterator iterator)
{
// return the range of the vector iterator
return (iterator->pmax) ;
}
GrB_Info GxB_Vector_Iterator_seek (GxB_Iterator iterator, GrB_Index p)
{
// seek to a specific entry in the vector
return (GB_Vector_Iterator_seek (iterator, p)) ;
}
GrB_Info GxB_Vector_Iterator_next (GxB_Iterator iterator)
{
// move to the next entry of a vector
return (GB_Vector_Iterator_next (iterator)) ;
}
GrB_Index GxB_Vector_Iterator_getp (GxB_Iterator iterator)
{
// get the current position of a vector iterator
return (iterator->p) ;
}
GrB_Index GxB_Vector_Iterator_getIndex (GxB_Iterator iterator)
{
// get the index of a vector entry
return ((iterator->Ai != NULL) ? iterator->Ai [iterator->p] : iterator->p) ;
}
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