mvtest.c

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              cta, M, N, lda, *beta, beta[1]);
   #endif
   A = FA_malloc(lda * ATL_MulBySize(nA), FAa, MAa);
   X = FA_malloc(ATL_MulBySize(N), FAx, MAx);
   Y = FA_malloc(ATL_MulBySize(M), FAy, MAy);
   Y0 = FA_malloc(ATL_MulBySize(M), FAy, MAy);
   ATL_assert(A && X && Y && Y0);
   Mjoin(PATL,gegen)(mA, nA, A, lda, M*N+lda);
   Mjoin(PATL,gegen)(N, 1, X, N, N*1139+52);
   if ( !SCALAR_IS_ZERO(beta) )
   {
      Mjoin(PATL,gegen)(M, 1, Y, M, M*8897+112);
      Mjoin(PATL,gegen)(M, 1, Y0, M, M*8897+112);
   }

   if (TA == AtlasNoTrans)
   {
      if ( SCALAR_IS_ZERO(beta) )
         Mjoin(PATL,gemvN_a1_x1_b0_y1)(M, N, alpha, A, lda, X, 1,
                                       beta, Y, 1);
      else if ( SCALAR_IS_ONE(beta) )
         Mjoin(PATL,gemvN_a1_x1_b1_y1)(M, N, alpha, A, lda, X, 1,
                                       beta, Y, 1);
      #ifdef TCPLX
         else if (beta[1] == ATL_rzero)
            Mjoin(PATL,gemvN_a1_x1_bXi0_y1)(M, N, alpha, A, lda, X, 1,
                                            beta, Y, 1);
      #endif
      else
         Mjoin(PATL,gemvN_a1_x1_bX_y1)(M, N, alpha, A, lda, X, 1,
                                       beta, Y, 1);
   }
   else if (TA == AtlasTrans)
   {
      if ( SCALAR_IS_ZERO(beta) )
         Mjoin(PATL,gemvT_a1_x1_b0_y1)(M, N, alpha, A, lda, X, 1,
                                       beta, Y, 1);
      else if ( SCALAR_IS_ONE(beta) )
         Mjoin(PATL,gemvT_a1_x1_b1_y1)(M, N, alpha, A, lda, X, 1,
                                       beta, Y, 1);
      #ifdef TCPLX
         else if (beta[1] == ATL_rzero)
            Mjoin(PATL,gemvT_a1_x1_bXi0_y1)(M, N, alpha, A, lda, X, 1,
                                            beta, Y, 1);
      #endif
      else
         Mjoin(PATL,gemvT_a1_x1_bX_y1)(M, N, alpha, A, lda, X, 1,
                                       beta, Y, 1);
   }
   #ifdef TCPLX
      else if (TA == AtlasConj)
      {
         if (beta[1] == ATL_rzero)
         {
            if (*beta == ATL_rzero)
               Mjoin(PATL,gemvNc_a1_x1_b0_y1)(M, N, alpha, A, lda, X, 1,
                                              beta, Y, 1);
            else if (*beta == ATL_rone)
               Mjoin(PATL,gemvNc_a1_x1_b1_y1)(M, N, alpha, A, lda, X, 1,
                                              beta, Y, 1);
            else
               Mjoin(PATL,gemvNc_a1_x1_bXi0_y1)(M, N, alpha, A, lda, X, 1,
                                                beta, Y, 1);
         }
         else Mjoin(PATL,gemvNc_a1_x1_bX_y1)(M, N, alpha, A, lda, X, 1,
                                             beta, Y, 1);
      }
      else if (TA == AtlasConjTrans)
      {
         if (beta[1] == ATL_rzero)
         {
            if (*beta == ATL_rzero)
               Mjoin(PATL,gemvC_a1_x1_b0_y1)(M, N, alpha, A, lda, X, 1,
                                             beta, Y, 1);
            else if (*beta == ATL_rone)
               Mjoin(PATL,gemvC_a1_x1_b1_y1)(M, N, alpha, A, lda, X, 1,
                                             beta, Y, 1);
            else
               Mjoin(PATL,gemvC_a1_x1_bXi0_y1)(M, N, alpha, A, lda, X, 1,
                                               beta, Y, 1);
         }
         else Mjoin(PATL,gemvC_a1_x1_bX_y1)(M, N, alpha, A, lda, X, 1,
                                            beta, Y, 1);
      }
   #endif
   dumb_gemv(TA, M, N, alpha, A, lda, X, beta, Y0);

   FA_free(A, FAa, MAa);
   FA_free(X, FAx, MAx);

   ierr = CheckAns(M, N, beta, Y, Y0);

   FA_free(Y, FAy, MAy);
   FA_free(Y0, FAy, MAy);

   if (ierr) sprintf(ln, "FAILED");
   else sprintf(ln, "PASSED");
   #ifdef TREAL
      fprintf(stdout, "   TEST TA=%c, M=%d, N=%d, lda=%d, beta=%f %s\n",
              cta, M, N, lda, beta, ln);
   #else
      fprintf(stdout, "   TEST TA=%c, M=%d, N=%d, lda=%d, beta=(%f,%f) %s\n",
              cta, M, N, lda, *beta, beta[1], ln);
   #endif
   return(ierr);
}

int RunTests(enum ATLAS_TRANS TA, int M, int N, int lda, SCALAR beta)
{
   int ierr = 0, i;
   #ifdef TREAL
      int nbeta = 3, incb = 1;
      TYPE betas[3];
   #else
      int nbeta = 8, incb = 2;
      TYPE betas[8];
   #endif

   #ifdef TREAL
      betas[0] = ATL_rzero;
      betas[1] = ATL_rone;
      betas[2] = beta;
   #else
      betas[0] = betas[1] = betas[3] = betas[5] = ATL_rzero;
      betas[2] = ATL_rone;
      betas[4] = betas[6] = *beta;
      betas[7] = beta[1];
   #endif
   for (i=0; i < nbeta; i += incb)
   {
      if (TA == AtlasNoTrans)
      {
         ierr = RunTest(AtlasNoTrans, M, N, lda, &betas[i]);
         if (ierr) break;
         #ifdef TCPLX
            ierr = RunTest(AtlasConj, M, N, lda, &betas[i]);
            if (ierr) break;
         #endif
      }
      else
      {
         ierr = RunTest(AtlasTrans, M, N, lda, &betas[i]);
         if (ierr) break;
         #ifdef TCPLX
            ierr = RunTest(AtlasConjTrans, M, N, lda, &betas[i]);
            if (ierr) break;
         #endif
      }
   }
   return(ierr);
}

void PrintUsage(char *nam)
{
   fprintf(stderr, "usage: %s -A t/n -m <M> -n <N> -l <lda> -b <betaX>\n", nam);
   exit(-1);
}

void GetFlags(int nargs, char **args, enum ATLAS_TRANS *TA,
              int *M0, int *MN, int *incM, int *N0, int *NN, int *incN,
              int *lda, TYPE *beta)
{
   int i, k;
   char ch;

   *TA = AtlasNoTrans;
   *M0 = *MN = *incM = 997;
   *N0 = *NN = *incN = 177;
   *lda = 0;
   *beta = 0.8;
   #ifdef TCPLX
      beta[1] = 0.3;
   #endif
   for (i=1; i < nargs; i++)
   {
      if (args[i][0] != '-') PrintUsage(args[0]);
      switch(args[i][1])
      {
      case 'F':
         ch = args[i][2];
         k = atoi(args[++i]);
         if (ch == 'a')
         {
            if (k < 0)
              MAa = -k;
            else
              FAa = k;
         }
         else if (args[i][2] == 'y')
         {
            if (k < 0)
              MAy = -k;
            else
              FAy = k;
         }
         else
         {
            if (k < 0)
              MAx = -k;
            else
              FAx = k;
         }
         break;
      case 'A':
         i++;
         if (args[i][0] == 'N' || args[i][0] == 'n') *TA = AtlasNoTrans;
         else if (args[i][0] == 'T' || args[i][0] == 't') *TA = AtlasTrans;
         else if (args[i][0] == 'C' || args[i][0] == 'c') *TA = AtlasConjTrans;
         else PrintUsage(args[0]);
         break;
      case 'm':
         *M0 = *MN = atoi(args[++i]);
         break;
      case 'n':
         *N0 = *NN = atoi(args[++i]);
         break;
      case 'M':
         *M0 = atoi(args[++i]);
         *MN = atoi(args[++i]);
         *incM = atoi(args[++i]);
         break;
      case 'N':
         *N0 = atoi(args[++i]);
         *NN = atoi(args[++i]);
         *incN = atoi(args[++i]);
         break;
      case 'l':
         *lda = atoi(args[++i]);
         break;
      case 'b':
         *beta = atof(args[++i]);
         #ifdef TCPLX
            beta[1] = atof(args[++i]);
         #endif
         break;
      default:
         PrintUsage(args[0]);
      }
   }
   if (*lda == 0)
   {
      if (*TA == AtlasNoTrans  || *TA == AtlasConj) *lda = -(*M0 + 7);
      else *lda = -(*N0 + 7);
   }
}

main(int nargs, char **args)
/*
 * Test the GEMV primitives
 */
{
   #ifdef TREAL
      TYPE beta;
      #define bet &beta
   #else
      TYPE beta[2];
      #define bet beta
   #endif
   enum ATLAS_TRANS TA;
   int M0, MN, incM, N0, NN, incN, m, n, lda, ldagap=0, ierr=0;

   GetFlags(nargs, args, &TA, &M0, &MN, &incM,  &N0, &NN, &incN, &lda, bet);
   if (lda < 0)
   {
      lda = -lda;
      if (TA == AtlasNoTrans || TA == AtlasConj) ldagap = lda - M0;
      else ldagap = lda - N0;
      lda -= ldagap;
   }
   fprintf(stdout, "\n\nBEGINNING GEMV PRIMITIVE TESTING:\n\n");
   for (n=N0; n <= NN; n += incN)
   {
      for (m=M0; m <= MN; m += incM)
      {
         if (ldagap)
         {
            if (TA == AtlasNoTrans || TA == AtlasConj) lda = m + ldagap;
            else lda = n + ldagap;
         }
         ierr += RunTests(TA, m, n, lda, beta);
      }
   }
/*   ierr = RunTests(TA, M, N, lda, beta); */
   if (ierr == 0) fprintf(stdout, "\n\nGEMV PRIMITIVE PASSED ALL TESTS\n\n");
   else fprintf(stdout, "\n\nGEMV PRIMITIVE FAILED SOME TESTS\n\n");
   return(ierr);
}