/* matrix/test_complex_source.c

 * 

 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough

 * 

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or (at

 * your option) any later version.

 * 

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

void FUNCTION (test, func) (const size_t M, const size_t N);

void FUNCTION (test, ops) (const size_t P, const size_t Q);

void FUNCTION (test, trap) (const size_t M, const size_t N);

void FUNCTION (test, text) (const size_t M, const size_t N);

void FUNCTION (test, binary) (const size_t M, const size_t N);

void FUNCTION (test, binary_noncontiguous) (const size_t M, const size_t N);

#define TEST(expr,desc) gsl_test((expr), NAME(gsl_matrix) desc " M=%d, N=%d", M, N)

void

FUNCTION (test, func) (const size_t M, const size_t N)

{

  size_t i, j;

  int k = 0;

  TYPE (gsl_matrix) * m = FUNCTION (gsl_matrix, alloc) (M, N);

  gsl_test (m->data == 0, NAME (gsl_matrix) "_alloc returns valid pointer");

  gsl_test (m->size1 != M, NAME (gsl_matrix) "_alloc returns valid size1");

  gsl_test (m->size2 != N, NAME (gsl_matrix) "_alloc returns valid size2");

  gsl_test (m->tda != N, NAME (gsl_matrix) "_alloc returns valid tda");

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = ZERO;

          k++;

          GSL_REAL (z) = (ATOMIC) k;

          GSL_IMAG (z) = (ATOMIC) (k + 1000);

          FUNCTION (gsl_matrix, set) (m, i, j, z);

        }

    }

  status = 0;

  k = 0;

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          k++;

          if (m->data[2 * (i * N + j)] != k ||

              m->data[2 * (i * N + j) + 1] != k + 1000)

            status = 1;

        }

    }

  gsl_test (status, NAME (gsl_matrix) "_set writes into array");

  status = 0;

  k = 0;

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

          k++;

          if (GSL_REAL (z) != k || GSL_IMAG (z) != k + 1000)

            status = 1;

        }

    }

  gsl_test (status, NAME (gsl_matrix) "_get reads from array");

  FUNCTION (gsl_matrix, free) (m);      /* free whatever is in m */

  m = FUNCTION (gsl_matrix, calloc) (M, N);

  {

    int status = (FUNCTION(gsl_matrix,isnull)(m) != 1);

    TEST (status, "_isnull" DESC " on calloc matrix");

    status = (FUNCTION(gsl_matrix,ispos)(m) != 0);

    TEST (status, "_ispos" DESC " on calloc matrix");

    status = (FUNCTION(gsl_matrix,isneg)(m) != 0);

    TEST (status, "_isneg" DESC " on calloc matrix");

  }

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = ZERO;

          FUNCTION (gsl_matrix, set) (m, i, j, z);

        }

    }

  {

    status = (FUNCTION(gsl_matrix,isnull)(m) != 1);

    TEST (status, "_isnull" DESC " on null matrix") ;

    status = (FUNCTION(gsl_matrix,ispos)(m) != 0);

    TEST (status, "_ispos" DESC " on null matrix") ;

    status = (FUNCTION(gsl_matrix,isneg)(m) != 0);

    TEST (status, "_isneg" DESC " on null matrix") ;

  }

  k = 0;

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = ZERO;

          k++;

          GSL_REAL (z) = (ATOMIC) (k % 10);

          GSL_IMAG (z) = (ATOMIC) ((k + 5) % 10);

          FUNCTION (gsl_matrix, set) (m, i, j, z);

        }

    }

  {

    status = (FUNCTION(gsl_matrix,isnull)(m) != 0);

    TEST (status, "_isnull" DESC " on non-negative matrix") ;

    status = (FUNCTION(gsl_matrix,ispos)(m) != 0);

    TEST (status, "_ispos" DESC " on non-negative matrix") ;

    status = (FUNCTION(gsl_matrix,isneg)(m) != 0);

    TEST (status, "_isneg" DESC " on non-negative matrix") ;

  }

  k = 0;

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = ZERO;

          k++;

          GSL_REAL (z) = (ATOMIC) ((k % 10) - 5);

          GSL_IMAG (z) = (ATOMIC) (((k + 5) % 10) - 5);

          FUNCTION (gsl_matrix, set) (m, i, j, z);

        }

    }

  {

    status = (FUNCTION(gsl_matrix,isnull)(m) != 0);

    TEST (status, "_isnull" DESC " on mixed matrix") ;

    status = (FUNCTION(gsl_matrix,ispos)(m) != 0);

    TEST (status, "_ispos" DESC " on mixed matrix") ;

    status = (FUNCTION(gsl_matrix,isneg)(m) != 0);

    TEST (status, "_isneg" DESC " on mixed matrix") ;

  }

  k = 0;

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = ZERO;

          k++;

          GSL_REAL (z) = -(ATOMIC) (k % 10);

          GSL_IMAG (z) = -(ATOMIC) ((k + 5) % 10);

          FUNCTION (gsl_matrix, set) (m, i, j, z);

        }

    }

  {

    status = (FUNCTION(gsl_matrix,isnull)(m) != 0);

    TEST (status, "_isnull" DESC " on non-positive matrix") ;

    status = (FUNCTION(gsl_matrix,ispos)(m) != 0);

    TEST (status, "_ispos" DESC " on non-positive matrix") ;

    status = (FUNCTION(gsl_matrix,isneg)(m) != 0);

    TEST (status, "_isneg" DESC " on non-positive matrix") ;

  }

  k = 0;

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = ZERO;

          k++;

          GSL_REAL (z) = (ATOMIC) (k % 10 + 1);

          GSL_IMAG (z) = (ATOMIC) ((k + 5) % 10 + 1);

          FUNCTION (gsl_matrix, set) (m, i, j, z);

        }

    }

  {

    status = (FUNCTION(gsl_matrix,isnull)(m) != 0);

    TEST (status, "_isnull" DESC " on positive matrix") ;

    status = (FUNCTION(gsl_matrix,ispos)(m) != 1);

    TEST (status, "_ispos" DESC " on positive matrix") ;

    status = (FUNCTION(gsl_matrix,isneg)(m) != 0);

    TEST (status, "_isneg" DESC " on positive matrix") ;

  }

  k = 0;

  for (i = 0; i < M; i++)

    {

      for (j = 0; j < N; j++)

        {

          BASE z = ZERO;

          k++;

          GSL_REAL (z) = -(ATOMIC) (k % 10 + 1);

          GSL_IMAG (z) = -(ATOMIC) ((k + 5) % 10 + 1);

          FUNCTION (gsl_matrix, set) (m, i, j, z);

        }

    }

  {

    status = (FUNCTION(gsl_matrix,isnull)(m) != 0);

    TEST (status, "_isnull" DESC " on negative matrix") ;

    status = (FUNCTION(gsl_matrix,ispos)(m) != 0);

    TEST (status, "_ispos" DESC " on negative matrix") ;

    status = (FUNCTION(gsl_matrix,isneg)(m) != 1);

    TEST (status, "_isneg" DESC " on negative matrix") ;

  }

  FUNCTION (gsl_matrix, free) (m);      /* free whatever is in m */

}

#if !(USES_LONGDOUBLE && !HAVE_PRINTF_LONGDOUBLE)

void

FUNCTION (test, text) (const size_t M, const size_t N)

{

  TYPE (gsl_matrix) * m = FUNCTION (gsl_matrix, alloc) (M, N);

  size_t i, j, k;

#ifdef NO_INLINE

  char filename[] = "test_static.dat";

#else

  char filename[] = "test.dat";

#endif

  /* write file */

  {

    FILE *f = fopen(filename, "w");

    k = 0;

    for (i = 0; i < M; i++)

      {

        for (j = 0; j < N; j++)

          {

            BASE z;

            k++;

            GSL_REAL (z) = (ATOMIC) k;

            GSL_IMAG (z) = (ATOMIC) (k + 1000);

            FUNCTION (gsl_matrix, set) (m, i, j, z);

          }

      }

    FUNCTION (gsl_matrix, fprintf) (f, m, OUT_FORMAT);

    fclose(f);

  }

  /* read file */

  {

    FILE *f = fopen(filename, "r");

    TYPE (gsl_matrix) * mm = FUNCTION (gsl_matrix, alloc) (M, N);

    status = 0;

    FUNCTION (gsl_matrix, fscanf) (f, mm);

    k = 0;

    for (i = 0; i < M; i++)

      {

        for (j = 0; j < N; j++)

          {

            k++;

            if (mm->data[2 * (i * N + j)] != k

                || mm->data[2 * (i * N + j) + 1] != k + 1000)

              status = 1;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_fprintf and fscanf");

    FUNCTION (gsl_matrix, free) (mm);

    fclose (f);

  }

  FUNCTION (gsl_matrix, free) (m);

}

#endif

void

FUNCTION (test, binary) (const size_t M, const size_t N)

{

  TYPE (gsl_matrix) * m = FUNCTION (gsl_matrix, alloc) (M, N);

  size_t i, j, k;

#ifdef NO_INLINE

  char filename[] = "test_static.dat";

#else

  char filename[] = "test.dat";

#endif

  /* write file */

  {

    FILE *f = fopen(filename, "wb");

    k = 0;

    for (i = 0; i < M; i++)

      {

        for (j = 0; j < N; j++)

          {

            BASE z = ZERO;

            k++;

            GSL_REAL (z) = (ATOMIC) k;

            GSL_IMAG (z) = (ATOMIC) (k + 1000);

            FUNCTION (gsl_matrix, set) (m, i, j, z);

          }

      }

    FUNCTION (gsl_matrix, fwrite) (f, m);

    fclose(f);

  }

  /* read file */

  {

    FILE *f = fopen(filename, "rb");

    TYPE (gsl_matrix) * mm = FUNCTION (gsl_matrix, alloc) (M, N);

    status = 0;

    FUNCTION (gsl_matrix, fread) (f, mm);

    k = 0;

    for (i = 0; i < M; i++)

      {

        for (j = 0; j < N; j++)

          {

            k++;

            if (mm->data[2 * (i * N + j)] != k

                || mm->data[2 * (i * N + j) + 1] != k + 1000)

              status = 1;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_write and read");

    FUNCTION (gsl_matrix, free) (mm);

    fclose (f);

  }

  FUNCTION (gsl_matrix, free) (m);

}

void

FUNCTION (test, binary_noncontiguous) (const size_t M, const size_t N)

{

  TYPE (gsl_matrix) * l = FUNCTION (gsl_matrix, calloc) (M+1, N+1);

  VIEW (gsl_matrix, view) m = FUNCTION (gsl_matrix, submatrix) (l, 0, 0, M, N);

  size_t i, j, k;

#ifdef NO_INLINE

  char filename[] = "test_static.dat";

#else

  char filename[] = "test.dat";

#endif

  /* write file */

  {

    FILE *f = fopen(filename, "wb");

    k = 0;

    for (i = 0; i < M; i++)

      {

        for (j = 0; j < N; j++)

          {

            BASE z = ZERO;

            k++;

            GSL_REAL (z) = (ATOMIC) k;

            GSL_IMAG (z) = (ATOMIC) (k + 1000);

            FUNCTION (gsl_matrix, set) (&m.matrix, i, j, z);

          }

      }

    FUNCTION (gsl_matrix, fwrite) (f, &m.matrix);

    fclose(f);

  }

  /* read file */

  {

    FILE *f = fopen(filename, "rb");

    TYPE (gsl_matrix) * ll = FUNCTION (gsl_matrix, alloc) (M+1, N+1);

    VIEW (gsl_matrix, view) mm = FUNCTION (gsl_matrix, submatrix) (ll, 0, 0, M, N);

    status = 0;

    FUNCTION (gsl_matrix, fread) (f, &mm.matrix);

    k = 0;

    for (i = 0; i < M; i++)

      {

        for (j = 0; j < N; j++)

          {

            BASE z = FUNCTION (gsl_matrix, get) (&mm.matrix, i, j);

            k++;

            if (GSL_REAL (z) != k || GSL_IMAG (z) != k + 1000)

              status = 1;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_write and read (noncontiguous)");

    FUNCTION (gsl_matrix, free) (ll);

    fclose (f);

  }

  FUNCTION (gsl_matrix, free) (l);

}

void

FUNCTION (test, trap) (const size_t M, const size_t N)

{

  TYPE (gsl_matrix) * mc = FUNCTION (gsl_matrix, alloc) (M, N);

  size_t i = 0, j = 0;

  BASE z = { {(ATOMIC) 1.2, (ATOMIC) 3.4} };

  BASE z1;

  status = 0;

  FUNCTION (gsl_matrix, set) (mc, i - 1, j, z);

  gsl_test (!status,

            NAME (gsl_matrix) "_set traps 1st index below lower bound");

  status = 0;

  FUNCTION (gsl_matrix, set) (mc, i, j - 1, z);

  gsl_test (!status,

            NAME (gsl_matrix) "_set traps 2nd index below lower bound");

  status = 0;

  FUNCTION (gsl_matrix, set) (mc, M + 1, 0, z);

  gsl_test (!status,

            NAME (gsl_matrix) "_set traps 1st index above upper bound");

  status = 0;

  FUNCTION (gsl_matrix, set) (mc, 0, N + 1, z);

  gsl_test (!status,

            NAME (gsl_matrix) "_set traps 2nd index above upper bound");

  status = 0;

  FUNCTION (gsl_matrix, set) (mc, M, 0, z);

  gsl_test (!status, NAME (gsl_matrix) "_set traps 1st index at upper bound");

  status = 0;

  FUNCTION (gsl_matrix, set) (mc, 0, N, z);

  gsl_test (!status, NAME (gsl_matrix) "_set traps 2nd index at upper bound");

  status = 0;

  z1 = FUNCTION (gsl_matrix, get) (mc, i - 1, 0);

  gsl_test (!status,

            NAME (gsl_matrix) "_get traps 1st index below lower bound");

  gsl_test (GSL_REAL (z1) != 0,

            NAME (gsl_matrix) "_get, zero real for 1st index below l.b.");

  gsl_test (GSL_IMAG (z1) != 0,

            NAME (gsl_matrix) "_get, zero imag for 1st index below l.b.");

  status = 0;

  z1 = FUNCTION (gsl_matrix, get) (mc, 0, j - 1);

  gsl_test (!status,

            NAME (gsl_matrix) "_get traps 2nd index below lower bound");

  gsl_test (GSL_REAL (z1) != 0,

            NAME (gsl_matrix) "_get, zero real for 2nd index below l.b.");

  gsl_test (GSL_IMAG (z1) != 0,

            NAME (gsl_matrix) "_get, zero imag for 2nd index below l.b.");

  status = 0;

  z1 = FUNCTION (gsl_matrix, get) (mc, M + 1, 0);

  gsl_test (!status,

            NAME (gsl_matrix) "_get traps 1st index above upper bound");

  gsl_test (GSL_REAL (z1) != 0,

            NAME (gsl_matrix) "_get, zero real for 1st index above u.b.");

  gsl_test (GSL_IMAG (z1) != 0,

            NAME (gsl_matrix) "_get, zero imag for 1st index above u.b.");

  status = 0;

  z1 = FUNCTION (gsl_matrix, get) (mc, 0, N + 1);

  gsl_test (!status,

            NAME (gsl_matrix) "_get traps 2nd index above upper bound");

  gsl_test (GSL_REAL (z1) != 0,

            NAME (gsl_matrix) "_get, zero real for 2nd index above u.b.");

  gsl_test (GSL_IMAG (z1) != 0,

            NAME (gsl_matrix) "_get, zero imag for 2nd index above u.b.");

  status = 0;

  z1 = FUNCTION (gsl_matrix, get) (mc, M, 0);

  gsl_test (!status, NAME (gsl_matrix) "_get traps 1st index at upper bound");

  gsl_test (GSL_REAL (z1) != 0,

            NAME (gsl_matrix) "_get, zero real for 1st index at u.b.");

  gsl_test (GSL_IMAG (z1) != 0,

            NAME (gsl_matrix) "_get, zero imag for 1st index at u.b.");

  status = 0;

  z1 = FUNCTION (gsl_matrix, get) (mc, 0, N);

  gsl_test (!status, NAME (gsl_matrix) "_get traps 2nd index at upper bound");

  gsl_test (GSL_REAL (z1) != 0,

            NAME (gsl_matrix) "_get, zero real for 2nd index at u.b.");

  gsl_test (GSL_IMAG (z1) != 0,

            NAME (gsl_matrix) "_get, zero imag for 2nd index at u.b.");

  FUNCTION (gsl_matrix, free) (mc);

}

void

FUNCTION (test, ops) (const size_t P, const size_t Q)

{

  TYPE (gsl_matrix) * a = FUNCTION (gsl_matrix, alloc) (P, Q);

  TYPE (gsl_matrix) * b = FUNCTION (gsl_matrix, alloc) (P, Q);

  TYPE (gsl_matrix) * m = FUNCTION (gsl_matrix, alloc) (P, Q);

  size_t i, j;

  size_t k = 0;

  size_t status = 0;

  for (i = 0; i < P; i++)

    {

      for (j = 0; j < Q; j++)

        {

          BASE z, z1;

          GSL_REAL (z) = (ATOMIC) k;

          GSL_IMAG (z) = (ATOMIC) (k + 10);

          GSL_REAL (z1) = (ATOMIC) (k + 5);

          GSL_IMAG (z1) = (ATOMIC) (k + 20);

          FUNCTION (gsl_matrix, set) (a, i, j, z);

          FUNCTION (gsl_matrix, set) (b, i, j, z1);

          k++;

        }

    }

  {

    {

      int status = (FUNCTION(gsl_matrix,equal) (a,b) != 0);

      gsl_test (status, NAME (gsl_matrix) "_equal matrix unequal");

    }

    FUNCTION (gsl_matrix, memcpy) (m, a);

    {

      int status = (FUNCTION(gsl_matrix,equal) (a,m) != 1);

      gsl_test (status, NAME (gsl_matrix) "_equal matrix equal");

    }

    FUNCTION (gsl_matrix, add) (m, b);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

            if (GSL_REAL (z) != (ATOMIC) (2 * k + 5) ||

                GSL_IMAG (z) != (ATOMIC) (2 * k + 30))

              status = 1;

            k++;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_add matrix addition");

  }

  {

    FUNCTION (gsl_matrix, memcpy) (m, a);

    FUNCTION (gsl_matrix, sub) (m, b);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

            if (GSL_REAL (z) != (ATOMIC) (-5)

                || GSL_IMAG (z) != (ATOMIC) (-10))

              status = 1;

            k++; 

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_sub matrix subtraction");

  }

  {

    FUNCTION (gsl_matrix, memcpy) (m, a);

    FUNCTION (gsl_matrix, mul_elements) (m, b);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            ATOMIC real = -(ATOMIC) (25 * k + 200);

            ATOMIC imag = (ATOMIC) (2 * k * k + 35 * k + 50);

            BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

            if (fabs (GSL_REAL (z) - real) > 100 * BASE_EPSILON ||

                fabs (GSL_IMAG (z) - imag) > 100 * BASE_EPSILON)

              {

                status = 1;

#ifdef DEBUG

                printf ("%d\t%d\n", i, j);

                printf (OUT_FORMAT "\n",

                        GSL_REAL (z) + (ATOMIC) (25 * (ATOMIC) k + 200));

                printf (OUT_FORMAT "\n",

                        GSL_IMAG (z) - (ATOMIC) (2 * k * k + 35 * k + 50));

                printf ("\n");

#endif

              }

            k++;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_mul_elements multiplication");

  }

  {

    FUNCTION (gsl_matrix, memcpy) (m, a);

    FUNCTION (gsl_matrix, div_elements) (m, b);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            ATOMIC denom = (2 * k * k + 50 * k + 425);

            ATOMIC real = (ATOMIC) (2 * k * k + 35 * k + 200) / denom;

            ATOMIC imag = ((ATOMIC) (50) - (ATOMIC) (5 * k)) / denom;

            BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

            if (fabs (GSL_REAL (z) - real) > 100 * BASE_EPSILON ||

                fabs (GSL_IMAG (z) - imag) > 100 * BASE_EPSILON)

              {

#ifdef DEBUG

                printf (OUT_FORMAT "\t",

                        GSL_REAL (z) - (ATOMIC) (2 * k * k + 35 * k +

                                                 200) / denom);

                printf (OUT_FORMAT "\n",

                        GSL_IMAG (z) - ((ATOMIC) (50) -

                                        (ATOMIC) (5 * k)) / denom);

#endif

                status = 1;

              }

            k++;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_div_elements division");

  }

  {

    BASE s;

    GSL_SET_COMPLEX(&s, 2.0, 3.0);

    FUNCTION (gsl_matrix, memcpy) (m, a);

    FUNCTION (gsl_matrix, scale) (m, s);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            ATOMIC real = (ATOMIC) (-(ATOMIC)k - 30);

            ATOMIC imag = (ATOMIC) (5 * (ATOMIC)k + 20);

            BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

            if (GSL_REAL (z) != real || GSL_IMAG (z) != imag)

              {

                status = 1;

              }

            k++;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_scale");

  }

  {

    BASE s;

    GSL_SET_COMPLEX(&s, 2.0, 3.0);

    FUNCTION (gsl_matrix, memcpy) (m, a);

    FUNCTION (gsl_matrix, add_constant) (m, s);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            ATOMIC real = (ATOMIC) ((ATOMIC)k + 2);

            ATOMIC imag = (ATOMIC) ((ATOMIC)k + 10 + 3);

            BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

            if (GSL_REAL (z) != real || GSL_IMAG (z) != imag)

              {

                status = 1;

              }

            k++;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_add_constant");

  }

  {

    BASE s;

    GSL_SET_COMPLEX(&s, 2.0, 3.0);

    FUNCTION (gsl_matrix, memcpy) (m, a);

    FUNCTION (gsl_matrix, add_diagonal) (m, s);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            ATOMIC real = (ATOMIC) ((ATOMIC)k + ((i==j) ? 2 : 0));

            ATOMIC imag = (ATOMIC) ((ATOMIC)k + 10 +((i==j) ? 3 : 0));

            BASE z = FUNCTION (gsl_matrix, get) (m, i, j);

            if (GSL_REAL (z) != real || GSL_IMAG (z) != imag)

              {

                status = 1;

              }

            k++;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_add_diagonal");

  }

  {

    FUNCTION (gsl_matrix, swap) (a, b);

    k = 0;

    status = 0;

    for (i = 0; i < P; i++)

      {

        for (j = 0; j < Q; j++)

          {

            BASE x = FUNCTION (gsl_matrix, get) (a, i, j);

            BASE y = FUNCTION (gsl_matrix, get) (b, i, j);

            if (GSL_REAL (x) != (ATOMIC) (k + 5) || GSL_IMAG (x) != (ATOMIC) (k + 20) ||

                GSL_REAL (y) != (ATOMIC) (k) || GSL_IMAG (y) != (ATOMIC) (k + 10))

              {

                status = 1;

              }

            k++;

          }

      }

    gsl_test (status, NAME (gsl_matrix) "_swap");

  }

  FUNCTION (gsl_matrix, free) (a);

  FUNCTION (gsl_matrix, free) (b);

  FUNCTION (gsl_matrix, free) (m);

}