strsd2d_.c File Reference

#include "Bdef.h"

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Functions/Subroutines
void	Cstrsd2d (int ConTxt, char *uplo, char *diag, int m, int n, float *A, int lda, int rdest, int cdest)

---

Function/Subroutine Documentation

void Cstrsd2d	(	int	ConTxt,
		char *	uplo,
		char *	diag,
		int	m,
		int	n,
		float *	A,
		int	lda,
		int	rdest,
		int	cdest
	)

Definition at line 4 of file strsd2d_.c.

{
   void BI_ArgCheck(int, int, char *, char, char, char, int, int, int, int,
                    int *, int *);
   MPI_Datatype BI_GetMpiTrType(BLACSCONTEXT *, char, char, int, int, int,
                                   MPI_Datatype, int *);
   BLACBUFF *BI_Pack(BLACSCONTEXT *, BVOID *, BLACBUFF *, MPI_Datatype);
   void BI_Ssend(BLACSCONTEXT *, int, int, BLACBUFF *);
   void BI_Asend(BLACSCONTEXT *, int, int, BLACBUFF *);
   void BI_UpdateBuffs(BLACBUFF *);
   BLACBUFF *BI_GetBuff(int);
   int BI_BuffIsFree(BLACBUFF *, int);

   char tuplo, tdiag;
   int dest, length, tlda, ierr;
   BLACBUFF *bp;
   BLACSCONTEXT *ctxt;
   MPI_Datatype MatTyp;
   extern BLACBUFF BI_AuxBuff, *BI_ActiveQ;

   MGetConTxt(Mpval(ConTxt), ctxt);
   tuplo = F2C_CharTrans(uplo);
   tdiag = F2C_CharTrans(diag);
   tuplo = Mlowcase(tuplo);
   tdiag = Mlowcase(tdiag);

#if (BlacsDebugLvl > 0)
   BI_ArgCheck(Mpval(ConTxt), RT_SD, "STRSD2D", 'a', tuplo, tdiag, Mpval(m),
               Mpval(n), Mpval(lda), 1, Mpaddress(rdest), Mpaddress(cdest));
#endif
   if (Mpval(lda) < Mpval(m)) tlda = Mpval(m);
   else tlda = Mpval(lda);
   dest = Mvkpnum(ctxt, Mpval(rdest), Mpval(cdest));
   ctxt->scp = &ctxt->pscp;

   MatTyp = BI_GetMpiTrType(ctxt, tuplo, tdiag, Mpval(m), Mpval(n), tlda,
                            MPI_FLOAT, &BI_AuxBuff.N);
#ifdef SndIsLocBlk
   BI_AuxBuff.Buff = (char *) A;
   BI_AuxBuff.dtype = MatTyp;
   BI_Ssend(ctxt, dest, PT2PTID, &BI_AuxBuff);
#else
   bp = BI_Pack(ctxt, (BVOID *) A, NULL, MatTyp);
   BI_Asend(ctxt, Mkpnum(ctxt, Mpval(rdest), Mpval(cdest)), PT2PTID, bp);
#endif
   ierr=BI_MPI_TYPE_FREE(&MatTyp);

/*
 * Having started the async send, update the buffers (reform links, check if
 * active buffers have become inactive, etc.)
 */
#ifdef SndIsLocBlk
   if (BI_ActiveQ) BI_UpdateBuffs(NULL);
#else
   BI_UpdateBuffs(bp);
#endif
}  /* end of strsd2d */

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