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//------------------------------------------------------------------------------
// GrB_Vector_setElement: set an entry in a vector, w (row) = x
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Set a single scalar, w(row) = x, typecasting from the type of x to
// the type of w as needed.
#define GB_FREE_ALL ;
#include "GB.h"
#define GB_SET(prefix,type,T,ampersand) \
GrB_Info GB_EVAL3 (prefix, _Vector_setElement_, T) /* w(row) = x */ \
( \
GrB_Vector w, /* vector to modify */ \
type x, /* scalar to assign to w(row) */ \
GrB_Index row /* row index */ \
) \
{ \
GB_WHERE (w, "GrB_Vector_setElement_" GB_STR(T) " (w, x, row)") ; \
GB_RETURN_IF_NULL_OR_FAULTY (w) ; \
ASSERT (GB_VECTOR_OK (w)) ; \
return (GB_setElement ((GrB_Matrix) w, NULL, ampersand x, row, 0, \
GB_ ## T ## _code, Context)) ; \
}
GB_SET (GrB, bool , BOOL , &)
GB_SET (GrB, int8_t , INT8 , &)
GB_SET (GrB, int16_t , INT16 , &)
GB_SET (GrB, int32_t , INT32 , &)
GB_SET (GrB, int64_t , INT64 , &)
GB_SET (GrB, uint8_t , UINT8 , &)
GB_SET (GrB, uint16_t , UINT16 , &)
GB_SET (GrB, uint32_t , UINT32 , &)
GB_SET (GrB, uint64_t , UINT64 , &)
GB_SET (GrB, float , FP32 , &)
GB_SET (GrB, double , FP64 , &)
GB_SET (GxB, GxB_FC32_t, FC32 , &)
GB_SET (GxB, GxB_FC64_t, FC64 , &)
GB_SET (GrB, void * , UDT , )
//------------------------------------------------------------------------------
// GrB_Vector_setElement_Scalar: set an entry in a vector from a GrB_Scalar
//------------------------------------------------------------------------------
// When the GrB_Scalar has a single entry, this method is just like the
// setElement methods defined above. If the GrB_Scalar has no entry, then it
// acts like GrB_Vector_removeElement.
GrB_Info GrB_Vector_setElement_Scalar
(
GrB_Vector w, // vector to modify
GrB_Scalar scalar, // scalar to assign to w(row)
GrB_Index row // row index
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_WHERE (w, "GrB_Vector_setElement_Scalar (w, x, row)") ;
GB_RETURN_IF_NULL_OR_FAULTY (w) ;
GB_RETURN_IF_NULL_OR_FAULTY (scalar) ;
ASSERT (GB_VECTOR_OK (w)) ;
//--------------------------------------------------------------------------
// set or remove the element
//--------------------------------------------------------------------------
GrB_Info info ;
GB_MATRIX_WAIT (scalar) ;
if (GB_nnz ((GrB_Matrix) scalar) > 0)
{
// set the element: w(row) = scalar
return (GB_setElement ((GrB_Matrix) w, NULL, scalar->x, row, 0,
scalar->type->code, Context)) ;
}
else
{
// delete the w(row) element
return (GB_Vector_removeElement (w, row, Context)) ;
}
}
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