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//------------------------------------------------------------------------------
// GrB_Vector_eWiseMult: vector element-wise multiplication
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// w<M> = accum (w,u.*v)
#include "GB_ewise.h"
#include "GB_get_mask.h"
#define GB_EWISE(op) \
/* check inputs */ \
GB_RETURN_IF_NULL_OR_FAULTY (w) ; \
GB_RETURN_IF_NULL_OR_FAULTY (u) ; \
GB_RETURN_IF_NULL_OR_FAULTY (v) ; \
GB_RETURN_IF_FAULTY (M_in) ; \
ASSERT (GB_VECTOR_OK (w)) ; \
ASSERT (GB_VECTOR_OK (u)) ; \
ASSERT (GB_VECTOR_OK (v)) ; \
ASSERT (M_in == NULL || GB_VECTOR_OK (M_in)) ; \
/* get the descriptor */ \
GB_GET_DESCRIPTOR (info, desc, C_replace, Mask_comp, Mask_struct, \
xx1, xx2, xx3, xx7) ; \
/* get the mask */ \
GrB_Matrix M = GB_get_mask ((GrB_Matrix) M_in, &Mask_comp, &Mask_struct) ;\
/* w<M> = accum (w,t) where t = u.*v, u'.*v, u.*v', or u'.*v' */ \
info = GB_ewise ( \
(GrB_Matrix) w, C_replace, /* w and its descriptor */ \
M, Mask_comp, Mask_struct, /* mask and descriptor */ \
accum, /* accumulate operator */ \
op, /* operator that defines '.*' */ \
(GrB_Matrix) u, false, /* u, never transposed */ \
(GrB_Matrix) v, false, /* v, never transposed */ \
false, /* eWiseMult */ \
false, NULL, NULL, /* not eWiseUnion */ \
Context) ;
//------------------------------------------------------------------------------
// GrB_Vector_eWiseMult_BinaryOp: vector element-wise multiplication
//------------------------------------------------------------------------------
GrB_Info GrB_Vector_eWiseMult_BinaryOp // w<M> = accum (w, u.*v)
(
GrB_Vector w, // input/output vector for results
const GrB_Vector M_in, // optional mask for w, unused if NULL
const GrB_BinaryOp accum, // optional accum for z=accum(w,t)
const GrB_BinaryOp mult, // defines '.*' for t=u.*v
const GrB_Vector u, // first input: vector u
const GrB_Vector v, // second input: vector v
const GrB_Descriptor desc // descriptor for w and M
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_WHERE (w, "GrB_Vector_eWiseMult_BinaryOp "
"(w, M, accum, mult, u, v, desc)") ;
GB_BURBLE_START ("GrB_eWiseMult") ;
GB_RETURN_IF_NULL_OR_FAULTY (mult) ;
//--------------------------------------------------------------------------
// apply the eWise kernel (using set intersection)
//--------------------------------------------------------------------------
GB_EWISE (mult) ;
GB_BURBLE_END ;
return (info) ;
}
//------------------------------------------------------------------------------
// GrB_Vector_eWiseMult_Monoid: vector element-wise multiplication
//------------------------------------------------------------------------------
GrB_Info GrB_Vector_eWiseMult_Monoid // w<M> = accum (w, u.*v)
(
GrB_Vector w, // input/output vector for results
const GrB_Vector M_in, // optional mask for w, unused if NULL
const GrB_BinaryOp accum, // optional accum for z=accum(w,t)
const GrB_Monoid monoid, // defines '.*' for t=u.*v
const GrB_Vector u, // first input: vector u
const GrB_Vector v, // second input: vector v
const GrB_Descriptor desc // descriptor for w and M
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_WHERE (w, "GrB_Vector_eWiseMult_Monoid "
"(w, M, accum, monoid, u, v, desc)") ;
GB_BURBLE_START ("GrB_eWiseMult") ;
GB_RETURN_IF_NULL_OR_FAULTY (monoid) ;
//--------------------------------------------------------------------------
// eWise multiply using the monoid operator
//--------------------------------------------------------------------------
GB_EWISE (monoid->op) ;
GB_BURBLE_END ;
return (info) ;
}
//------------------------------------------------------------------------------
// GrB_Vector_eWiseMult_Semiring: vector element-wise multiplication
//------------------------------------------------------------------------------
GrB_Info GrB_Vector_eWiseMult_Semiring // w<M> = accum (w, u.*v)
(
GrB_Vector w, // input/output vector for results
const GrB_Vector M_in, // optional mask for w, unused if NULL
const GrB_BinaryOp accum, // optional accum for z=accum(w,t)
const GrB_Semiring semiring, // defines '.*' for t=u.*v
const GrB_Vector u, // first input: vector u
const GrB_Vector v, // second input: vector v
const GrB_Descriptor desc // descriptor for w and M
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_WHERE (w, "GrB_Vector_eWiseMult_Semiring "
"(w, M, accum, semiring, u, v, desc)") ;
GB_BURBLE_START ("GrB_eWiseMult") ;
GB_RETURN_IF_NULL_OR_FAULTY (semiring) ;
//--------------------------------------------------------------------------
// eWise multiply using the semiring multiply operator
//--------------------------------------------------------------------------
GB_EWISE (semiring->multiply) ;
GB_BURBLE_END ;
return (info) ;
}
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