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//------------------------------------------------------------------------------
// GB_Type_compatible: return true if domains are compatible
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Two domains are compatible for typecasting between them if both are built-in
// types (of any kind) or if both are the same user-defined type.
#include "GB.h"
GB_PUBLIC
bool GB_Type_compatible // check if two types can be typecast
(
const GrB_Type atype,
const GrB_Type btype
)
{
if (atype == NULL || btype == NULL)
{
// the op ignores its inputs
return (true) ;
}
else if (atype->code == GB_UDT_code || btype->code == GB_UDT_code)
{
// two user types must be identical to be compatible
return (atype == btype) ;
}
else
{
// any built-in domain is compatible with any other built-in domain
return (true) ;
}
}
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