//------------------------------------------------------------------------------
// GB_compatible.h: definitions for GB_compatible and related methods
//------------------------------------------------------------------------------

// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

//------------------------------------------------------------------------------

#ifndef GB_COMPATIBLE_H
#define GB_COMPATIBLE_H

bool GB_Type_compatible             // check if two types can be typecast
(
    const GrB_Type atype,
    const GrB_Type btype
) ;

GrB_Info GB_compatible          // SUCCESS if all is OK, *_MISMATCH otherwise
(
    const GrB_Type ctype,       // the type of C (matrix or scalar)
    const GrB_Matrix C,         // the output matrix C; NULL if C is a scalar
    const GrB_Matrix M,         // optional mask, NULL if no mask
    const bool Mask_struct,     // true if M is structural
    const GrB_BinaryOp accum,   // C<M> = accum(C,T) is computed
    const GrB_Type ttype,       // type of T
    GB_Context Context
) ;

GrB_Info GB_Mask_compatible     // check type and dimensions of mask
(
    const GrB_Matrix M,         // mask to check
    const bool Mask_struct,     // true if M is structural
    const GrB_Matrix C,         // C<M>= ...
    const GrB_Index nrows,      // size of output if C is NULL (see GB*assign)
    const GrB_Index ncols,
    GB_Context Context
) ;

GrB_Info GB_BinaryOp_compatible     // check for domain mismatch
(
    const GrB_BinaryOp op,          // binary operator to check
    const GrB_Type ctype,           // C must be compatible with op->ztype
    const GrB_Type atype,           // A must be compatible with op->xtype
    const GrB_Type btype,           // B must be compatible with op->ytype
    const GB_Type_code bcode,       // B may not have a type, just a code
    GB_Context Context
) ;

#endif

