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//------------------------------------------------------------------------------
// GB_subassign.h: definitions for GB_subassign
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#ifndef GB_SUBASSIGN_H
#define GB_SUBASSIGN_H
#include "ij/GB_ij.h"
#include "add/GB_add.h"
GrB_Info GB_subassign // C(Rows,Cols)<M> += A or A'
(
GrB_Matrix C_in, // input/output matrix for results
bool C_replace, // descriptor for C
const GrB_Matrix M_in, // optional mask for C(Rows,Cols)
const bool Mask_comp, // true if mask is complemented
const bool Mask_struct, // if true, use the only structure of M
const bool M_transpose, // true if the mask should be transposed
const GrB_BinaryOp accum, // optional accum for accum(C,T)
const GrB_Matrix A_in, // input matrix
const bool A_transpose, // true if A is transposed
const void *Rows, // row indices
const bool Rows_is_32, // if true, Rows is 32-bit; else 64-bit
const uint64_t nRows_in, // number of row indices
const void *Cols, // column indices
const bool Cols_is_32, // if true, Cols is 32-bit; else 64-bit
const uint64_t nCols_in, // number of column indices
const bool scalar_expansion, // if true, expand scalar to A
const void *scalar, // scalar to be expanded
const GB_Type_code scalar_code, // type code of scalar to expand
GB_Werk Werk
) ;
GrB_Info GB_subassign_scalar // C(Rows,Cols)<M> += x
(
GrB_Matrix C, // input/output matrix for results
const GrB_Matrix M, // mask for C(Rows,Cols), unused if NULL
const GrB_BinaryOp accum, // accum for Z=accum(C(Rows,Cols),T)
const void *scalar, // scalar to assign to C(Rows,Cols)
const GB_Type_code scalar_code, // type code of scalar to assign
const void *Rows, // row indices
const bool Rows_is_32, // if true, Rows is 32-bit; else 64-bit
const uint64_t nRows, // number of row indices
const void *Cols, // column indices
const bool Cols_is_32, // if true, Cols is 32-bit; else 64-bit
const uint64_t nCols, // number of column indices
const GrB_Descriptor desc, // descriptor for C(Rows,Cols) and M
GB_Werk Werk
) ;
GrB_Info GB_Matrix_subassign_scalar // C(I,J)<M> = accum (C(I,J),s)
(
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(I,J),x)
const GrB_Scalar scalar, // scalar to assign to C(I,J)
const void *I, // row indices
const bool I_is_32,
uint64_t ni, // number of row indices
const void *J, // column indices
const bool J_is_32,
uint64_t nj, // number of column indices
const GrB_Descriptor desc, // descriptor for C and Mask
GB_Werk Werk
) ;
GrB_Info GB_Vector_subassign_scalar // w(I)><Mask> = accum (w(I),s)
(
GrB_Vector w, // input/output matrix for results
const GrB_Vector mask, // optional mask for w, unused if NULL
const GrB_BinaryOp accum, // optional accum for Z=accum(w(I),x)
const GrB_Scalar scalar, // scalar to assign to w(I)
const void *I, // row indices
const bool I_is_32,
uint64_t ni, // number of row indices
const GrB_Descriptor desc, // descriptor for w and Mask
GB_Werk Werk
) ;
int GB_subassigner_method // return method to use in GB_subassigner
(
// outputs
bool *C_iso_out, // true if C is iso on output
GB_void *cout, // iso value of C on output
// inputs
const GrB_Matrix C, // input/output matrix for results
const bool C_replace, // C matrix descriptor
const GrB_Matrix M, // optional mask for C(I,J), unused if NULL
const bool Mask_comp, // mask descriptor
const bool Mask_struct, // if true, use the only structure of M
const GrB_BinaryOp accum, // optional accum for Z=accum(C(I,J),A)
const GrB_Matrix A, // input matrix (NULL for scalar expansion)
const int Ikind, // I: just the kind
const int Jkind, // J: kind, length, and colon
const int64_t nJ,
const int64_t Jcolon [3],
const bool scalar_expansion, // if true, expand scalar to A
const void *scalar,
const GrB_Type scalar_type // type of the scalar, or NULL
) ;
GrB_Info GB_subassigner // C(I,J)<#M> = A or accum (C (I,J), A)
(
// input/output
GrB_Matrix C, // input/output matrix for results
// input
const int subassign_method,
const bool C_replace, // C matrix descriptor
const GrB_Matrix M, // optional mask for C(I,J), unused if NULL
const bool Mask_comp, // mask descriptor
const bool Mask_struct, // if true, use the only structure of M
const GrB_BinaryOp accum, // optional accum for Z=accum(C(I,J),A)
const GrB_Matrix A, // input matrix (NULL for scalar expansion)
const void *I, // I index list
const bool I_is_32,
const int64_t ni, // number of indices
const int64_t nI,
const int Ikind,
const int64_t Icolon [3],
const void *J, // J index list
const bool J_is_32,
const int64_t nj, // number of column indices
const int64_t nJ,
const int Jkind,
const int64_t Jcolon [3],
const bool scalar_expansion, // if true, expand scalar to A
const void *scalar, // scalar to be expanded
const GrB_Type scalar_type, // type code of scalar to expand
GB_Werk Werk
) ;
GrB_Info GB_assign_prep
(
// output:
GrB_Matrix *Chandle, // C_in, or Cwork if C is aliased to M or A
GrB_Matrix *Mhandle, // M_in, or a modified version Mwork
GrB_Matrix *Ahandle, // A_in, or a modified version Awork
int *subassign_method, // subassign method to use
// modified versions of the matrices C, M, and A:
GrB_Matrix *Cwork_handle, // NULL, or a copy of C
GrB_Matrix *Mwork_handle, // NULL, or a temporary matrix
GrB_Matrix *Awork_handle, // NULL, or a temporary matrix
// static headers for Cwork, Mwork, Awork, MT and AT
GrB_Matrix Cwork_header_handle,
GrB_Matrix Mwork_header_handle,
GrB_Matrix Awork_header_handle,
GrB_Matrix MT_header_handle,
GrB_Matrix AT_header_handle,
// modified versions of the Rows/Cols lists, and their analysis:
void **I_handle, // Rows, Cols, or a modified copy I2
bool *I_is_32_handle,
void **I2_handle, // NULL, or sorted/pruned Rows or Cols
size_t *I2_size_handle,
int64_t *ni_handle,
int64_t *nI_handle,
int *Ikind_handle,
int64_t Icolon [3],
void **J_handle, // Rows, Cols, or a modified copy J2
bool *J_is_32_handle,
void **J2_handle, // NULL, or sorted/pruned Rows or Cols
size_t *J2_size_handle,
int64_t *nj_handle,
int64_t *nJ_handle,
int *Jkind_handle,
int64_t Jcolon [3],
GrB_Type *scalar_type_handle, // type of the scalar, or NULL if no scalar
// input/output
GrB_Matrix C_in, // input/output matrix for results
bool *C_replace, // descriptor for C
int *assign_kind, // row/col assign, assign, or subassign
// input
const GrB_Matrix M_in, // optional mask for C
const bool Mask_comp, // true if mask is complemented
const bool Mask_struct, // if true, use the only structure of M
bool M_transpose, // true if the mask should be transposed
const GrB_BinaryOp accum, // optional accum for accum(C,T)
const GrB_Matrix A_in, // input matrix
bool A_transpose, // true if A is transposed
const void *Rows, // row indices
const bool Rows_is_32, // if true, Rows is 32-bit; else 64-bit
const uint64_t nRows_in, // number of row indices
const void *Cols, // column indices
const bool Cols_is_32, // if true, Rows is 32-bit; else 64-bit
const uint64_t nCols_in, // number of column indices
const bool scalar_expansion, // if true, expand scalar to A
const void *scalar, // scalar to be expanded
const GB_Type_code scalar_code, // type code of scalar to expand
GB_Werk Werk
) ;
//------------------------------------------------------------------------------
// subassigner methods
//------------------------------------------------------------------------------
#define GB_SUBASSIGN_METHOD_01 1 // C(I,J) = scalar
#define GB_SUBASSIGN_METHOD_02 2 // C(I,J) = A
#define GB_SUBASSIGN_METHOD_03 3 // C(I,J) += scalar
#define GB_SUBASSIGN_METHOD_04 4 // C(I,J) += A
#define GB_SUBASSIGN_METHOD_05 5 // C(I,J)<M> = scalar
#define GB_SUBASSIGN_METHOD_05d 51 // C(:,:)<M> = scalar ; C is dense
#define GB_SUBASSIGN_METHOD_05e 52 // C(:,:)<M,struct> = scalar
#define GB_SUBASSIGN_METHOD_05f 53 // C(:,:)<C,struct> = scalar, C == M
#define GB_SUBASSIGN_METHOD_06d 61 // C(:,:)<A> = A ; C is dense/bitmap
#define GB_SUBASSIGN_METHOD_06n 62 // C(I,J)<M> = A ; no S
#define GB_SUBASSIGN_METHOD_06s 63 // C(I,J)<M> = A ; using S
#define GB_SUBASSIGN_METHOD_07 7 // C(I,J)<M> += scalar
#define GB_SUBASSIGN_METHOD_08n 80 // C(I,J)<M> += A, no S
#define GB_SUBASSIGN_METHOD_08s 81 // C(I,J)<M> += A, with S
#define GB_SUBASSIGN_METHOD_09 9 // C(I,J)<M,replace> = scalar
#define GB_SUBASSIGN_METHOD_10 10 // C(I,J)<M,replace> = A
#define GB_SUBASSIGN_METHOD_11 11 // C(I,J)<M,replace> += scalar
#define GB_SUBASSIGN_METHOD_12 12 // C(I,J)<M,replace> += A
#define GB_SUBASSIGN_METHOD_13 13 // C(I,J)<!M> = scalar
#define GB_SUBASSIGN_METHOD_14 14 // C(I,J)<!M> = A
#define GB_SUBASSIGN_METHOD_15 15 // C(I,J)<!M> += scalar
#define GB_SUBASSIGN_METHOD_16 16 // C(I,J)<!M> += A
#define GB_SUBASSIGN_METHOD_17 17 // C(I,J)<!M,replace> = scalar
#define GB_SUBASSIGN_METHOD_18 18 // C(I,J)<!M,replace> = A
#define GB_SUBASSIGN_METHOD_19 19 // C(I,J)<!M,replace> += scalar
#define GB_SUBASSIGN_METHOD_20 20 // C(I,J)<!M,replace> += A
#define GB_SUBASSIGN_METHOD_21 21 // C(:,:) = scalar ; C becomes full
#define GB_SUBASSIGN_METHOD_22 22 // C += scalar ; C is dense
#define GB_SUBASSIGN_METHOD_23 23 // C += A ; C is dense
#define GB_SUBASSIGN_METHOD_24 24 // C = A
#define GB_SUBASSIGN_METHOD_25 25 // C(:,:)<M,struct> = A ; C empty
#define GB_SUBASSIGN_METHOD_26 26 // C(:,j) = A ; append column to C
#define GB_SUBASSIGN_METHOD_BITMAP 999 // bitmap assignment
#endif
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