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//------------------------------------------------------------------------------
// GB_helper.h: helper functions for @GrB interface
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// These functions are only used by the @GrB MATLAB/Octave interface for
// SuiteSparse:GraphBLAS.
#ifndef GB_HELPER_H
#define GB_HELPER_H
#include "GB.h"
#include "math/GB_math.h"
void GB_helper5 // construct pattern of S
(
// output:
uint64_t *restrict Si, // array of size anz
uint64_t *restrict Sj, // array of size anz
// input:
const void *Mi, // array of size mnz, M->i, may be NULL
const bool Mi_is_32, // if true, M->i is 32-bit; else 64-bit
const uint64_t *restrict Mj, // array of size mnz
const int64_t mvlen, // M->vlen
const void *Ai, // array of size anz, A->i, may be NULL
const bool Ai_is_32, // if true, A->i is 32-bit; else 64-bit
const int64_t avlen, // A->vlen
const uint64_t anz
) ;
void GB_helper7 // Kx = uint64 (0:mnz-1)
(
uint64_t *restrict Kx, // array of size mnz
const uint64_t mnz
) ;
double GB_helper10 // norm (x-y,p), or -1 on error
(
GB_void *x_arg, // float or double, depending on type parameter
bool x_iso, // true if x is iso
GB_void *y_arg, // same type as x, treat as zero if NULL
bool y_iso, // true if x is iso
GrB_Type type, // GrB_FP32 or GrB_FP64
int64_t p, // 0, 1, 2, INT64_MIN, or INT64_MAX
uint64_t n
) ;
GxB_Container GB_helper_container (void) ; // return the global Container
void GB_helper_container_new (void) ; // allocate the global Container
void GB_helper_container_free (void) ; // free the global Container
#endif
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