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//------------------------------------------------------------------------------
// GB_code_compatible: return true if domains are compatible
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#ifndef GB_CODE_COMPATIBLE_H
#define GB_CODE_COMPATIBLE_H
// 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. This
// function does not have the type itself, but just the code. If the types are
// available, GB_Type_compatible should be called instead.
static inline bool GB_code_compatible // true if two types can be typecast
(
const GB_Type_code acode, // type code of a
const GB_Type_code bcode // type code of b
)
{
bool a_user = (acode == GB_UDT_code) ;
bool b_user = (bcode == GB_UDT_code) ;
if (a_user || b_user)
{
// both a and b must be user-defined. They should be the same
// user-defined type, but the caller does not have the actual type,
// just the code.
return (a_user && b_user) ;
}
else
{
// any built-in domain is compatible with any other built-in domain
return (true) ;
}
}
#endif
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