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//------------------------------------------------------------------------------
// GrB_Matrix_eWiseAdd: matrix element-wise operations, set union
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// C<M> = accum (C,A+B) and variations.
#include "ewise/GB_ewise.h"
#include "mask/GB_get_mask.h"
//------------------------------------------------------------------------------
// GrB_Matrix_eWiseAdd_BinaryOp: matrix addition
//------------------------------------------------------------------------------
GrB_Info GrB_Matrix_eWiseAdd_BinaryOp // C<M> = accum (C, A+B)
(
GrB_Matrix C, // input/output matrix for results
const GrB_Matrix Mask, // optional mask for C, unused if NULL
const GrB_BinaryOp accum, // optional accum for Z=accum(C,T)
const GrB_BinaryOp op, // defines '+' for T=A+B
const GrB_Matrix A, // first input: matrix A
const GrB_Matrix B, // second input: matrix B
const GrB_Descriptor desc // descriptor for C, M, A, and B
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_RETURN_IF_NULL_OR_FAULTY (op) ;
GB_RETURN_IF_NULL (C) ;
GB_RETURN_IF_NULL (A) ;
GB_RETURN_IF_NULL (B) ;
GB_RETURN_IF_OUTPUT_IS_READONLY (C) ;
GB_WHERE4 (C, Mask, A, B, "GrB_Matrix_eWiseAdd (C, M, accum, op, A, B, "
"desc)") ;
GB_BURBLE_START ("GrB_eWiseAdd") ;
// get the descriptor
GB_GET_DESCRIPTOR (info, desc, C_replace, Mask_comp, Mask_struct,
A_tran, B_tran, xx, xx7) ;
// get the mask
GrB_Matrix M = GB_get_mask (Mask, &Mask_comp, &Mask_struct) ;
//--------------------------------------------------------------------------
// C<M> = accum (C,T) where T = A+B, A'+B, A+B', or A'+B'
//--------------------------------------------------------------------------
info = GB_ewise (
C, C_replace, // C and its descriptor
M, Mask_comp, Mask_struct, // mask and its descriptor
accum, // accumulate operator
op, // operator that defines '+'
A, A_tran, // A matrix and its descriptor
B, B_tran, // B matrix and its descriptor
true, // eWiseAdd
false, NULL, NULL, // not eWiseUnion, no alpha/beta
Werk) ;
GB_BURBLE_END ;
return (info) ;
}
//------------------------------------------------------------------------------
// GrB_Matrix_eWiseAdd_Monoid: matrix addition
//------------------------------------------------------------------------------
// C<M> = accum (C,A+B) and variations.
GrB_Info GrB_Matrix_eWiseAdd_Monoid // C<M> = accum (C, A+B)
(
GrB_Matrix C, // input/output matrix for results
const GrB_Matrix M, // optional mask for C, unused if NULL
const GrB_BinaryOp accum, // optional accum for Z=accum(C,T)
const GrB_Monoid monoid, // defines '+' for T=A+B
const GrB_Matrix A, // first input: matrix A
const GrB_Matrix B, // second input: matrix B
const GrB_Descriptor desc // descriptor for C, M, A, and B
)
{
GB_RETURN_IF_NULL_OR_FAULTY (monoid) ;
GrB_BinaryOp op = monoid->op ;
return (GrB_Matrix_eWiseAdd_BinaryOp (C, M, accum, op, A, B, desc)) ;
}
//------------------------------------------------------------------------------
// GrB_Matrix_eWiseAdd_Semiring: matrix addition
//------------------------------------------------------------------------------
// C<M> = accum (C,A+B) and variations.
GrB_Info GrB_Matrix_eWiseAdd_Semiring // C<M> = accum (C, A+B)
(
GrB_Matrix C, // input/output matrix for results
const GrB_Matrix M, // optional mask for C, unused if NULL
const GrB_BinaryOp accum, // optional accum for Z=accum(C,T)
const GrB_Semiring semiring, // defines '+' for T=A+B
const GrB_Matrix A, // first input: matrix A
const GrB_Matrix B, // second input: matrix B
const GrB_Descriptor desc // descriptor for C, M, A, and B
)
{
GB_RETURN_IF_NULL_OR_FAULTY (semiring) ;
GrB_BinaryOp op = semiring->add->op ;
return (GrB_Matrix_eWiseAdd_BinaryOp (C, M, accum, op, A, B, desc)) ;
}
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