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#include "Bdef.h"
int BI_HypBR(BLACSCONTEXT *ctxt, BLACBUFF *bp, SDRVPTR send, int src)
{
void BI_Srecv(BLACSCONTEXT *, int, int, BLACBUFF *);
int relnode, bit, Np, Iam, msgid;
Np = ctxt->scp->Np;
Iam = ctxt->scp->Iam;
msgid = Mscopeid(ctxt);
for (bit=2; bit < Np; bit <<= 1);
if (bit^Np) return(NPOW2); /* not a power of 2 */
relnode = Iam ^ src;
BI_Srecv(ctxt, BANYNODE, msgid, bp);
for(bit=1; (bit^Np); bit <<= 1)
if (bit > relnode) send(ctxt, Iam^bit, msgid, bp);
return(0);
}
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