test_complex_io.c

该文件为c++的数学函数库!是一个非常有用的编程工具.它含有各种数学函数,为科学计算、工程应用等程序编写提供方便！

/* vector/test_complex_io.c
 * 
 * Copyright (C) 1996, 1997, 1998, 1999, 2000 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

void FUNCTION (test, text) (void);


void
FUNCTION (test, text) (void)
{
  TYPE (gsl_vector) * v = FUNCTION (gsl_vector, alloc) (N);
  TYPE (gsl_vector) * w = FUNCTION (gsl_vector, alloc) (N);

  size_t i;

  {
    FILE *f = fopen ("test.txt", "w");

    for (i = 0; i < N; i++)
      {
        BASE x;
        GSL_REAL (x) = (ATOMIC)i;
        GSL_IMAG (x) = (ATOMIC)(i + 1);
        FUNCTION (gsl_vector, set) (v, i, x);
      };

    FUNCTION (gsl_vector, fprintf) (f, v, OUT_FORMAT);

    fclose (f);
  }

  {
    FILE *f = fopen ("test.txt", "r");

    FUNCTION (gsl_vector, fscanf) (f, w);

    status = 0;
    for (i = 0; i < N; i++)
      {
        if (w->data[2 * i] != (ATOMIC) i || w->data[2 * i + 1] != (ATOMIC) (i + 1))
          status = 1;
      };
    fclose (f);
  }

  FUNCTION (gsl_vector, free) (v);
  FUNCTION (gsl_vector, free) (w);

  gsl_test (status, NAME (gsl_vector) "_fprintf and fscanf");
}