/*********************************************************************/

/* Copyright 2009, 2010 The University of Texas at Austin.           */

/* All rights reserved.                                              */

/*                                                                   */

/* Redistribution and use in source and binary forms, with or        */

/* without modification, are permitted provided that the following   */

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/*      copyright notice, this list of conditions and the following  */

/*      disclaimer.                                                  */

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/*   2. Redistributions in binary form must reproduce the above      */

/*      copyright notice, this list of conditions and the following  */

/*      disclaimer in the documentation and/or other materials       */

/*      provided with the distribution.                              */

/*                                                                   */

/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */

/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */

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/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */

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/* documentation are those of the authors and should not be          */

/* interpreted as representing official policies, either expressed   */

/* or implied, of The University of Texas at Austin.                 */

/*********************************************************************/

#include <stdio.h></stdio.h>

#include "common.h"

blasint CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG myid) {

  BLASLONG n, bk, i, blocking, lda;

  int mode;

  blas_arg_t newarg;

  FLOAT *a;

  FLOAT alpha[2] = { ONE, ZERO};

#ifndef COMPLEX

#ifdef XDOUBLE

  mode  =  BLAS_XDOUBLE | BLAS_REAL;

#elif defined(DOUBLE)

  mode  =  BLAS_DOUBLE  | BLAS_REAL;

#else

  mode  =  BLAS_SINGLE  | BLAS_REAL;

#endif  

#else

#ifdef XDOUBLE

  mode  =  BLAS_XDOUBLE | BLAS_COMPLEX;

#elif defined(DOUBLE)

  mode  =  BLAS_DOUBLE  | BLAS_COMPLEX;

#else

  mode  =  BLAS_SINGLE  | BLAS_COMPLEX;

#endif  

#endif

  if (args -> nthreads  == 1) {

    LAUUM_L_SINGLE(args, NULL, NULL, sa, sb, 0); 

    return 0;

  }

  n  = args -> n;

  a  = (FLOAT *)args -> a;

  lda = args -> lda;

  if (range_n) n  = range_n[1] - range_n[0];

  if (n <= GEMM_UNROLL_N * 2) {

    LAUUM_L_SINGLE(args, NULL, range_n, sa, sb, 0);

    return 0;

  }

  newarg.lda = lda;

  newarg.ldb = lda;

  newarg.ldc = lda;

  newarg.alpha = alpha;

  newarg.beta = NULL;

  newarg.nthreads = args -> nthreads;

  blocking = (n / 2 + GEMM_UNROLL_N - 1) & ~(GEMM_UNROLL_N - 1);

  if (blocking > GEMM_Q) blocking = GEMM_Q;

  for (i = 0; i < n; i += blocking) {

    bk = n - i;

    if (bk > blocking) bk = blocking;

    newarg.n = i;

    newarg.k = bk;

    newarg.a = a + i * COMPSIZE;

    newarg.c = a;

    syrk_thread(mode | BLAS_TRANSA_T | BLAS_TRANSB_N | BLAS_UPLO,

		&newarg, NULL, NULL, (void *)HERK_LC, sa, sb, args -> nthreads);

    newarg.m = bk;

    newarg.n = i;

    newarg.a = a + (i + i * lda) * COMPSIZE;

    newarg.b = a + (i          ) * COMPSIZE;

    gemm_thread_n(mode | BLAS_TRANSA_T,

		  &newarg, NULL, NULL, (void *)TRMM_LCLN, sa, sb, args -> nthreads);

    newarg.m = bk;

    newarg.n = bk;

    newarg.a = a + (i + i * lda) * COMPSIZE;

    CNAME(&newarg, NULL, NULL, sa, sb, 0);

  }

  return 0;

}