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//------------------------------------------------------------------------------
// GB_select_iso.h: copy the iso value into C for select methods
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#ifndef GB_SELECT_ISO_H
#define GB_SELECT_ISO_H
//------------------------------------------------------------------------------
// GB_select_iso: assign the iso value of C for GB_*selector
//------------------------------------------------------------------------------
static inline void GB_select_iso
(
GB_void *Cx, // output iso value (same type as A)
const GB_Opcode opcode, // selector opcode
const GB_void *athunk, // thunk scalar, of size asize
const GB_void *Ax, // Ax [0] scalar, of size asize
const size_t asize
)
{
if (opcode == GB_VALUEEQ_idxunop_code)
{
// all entries in C are equal to thunk
memcpy (Cx, athunk, asize) ;
}
else
{
// A and C are both iso
memcpy (Cx, Ax, asize) ;
}
}
#endif
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