kc3-lang/gnulib/tests/test-yn.c

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• tests/test-yn.c

• /* Test of yn() function.
     Copyright (C) 2010-2023 Free Software Foundation, Inc.
  
     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, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
  
  #include <config.h>
  
  #include <math.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (yn, double, (int, double));
  
  #include "macros.h"
  
  volatile double x;
  double y;
  
  int
  main ()
  {
    /* A particular value.  */
    x = 3.8;
    y = yn (0, x);
    ASSERT (y >= 0.0645032466 && y <= 0.0645032467);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (1, x);
    ASSERT (y >= 0.4141146893 && y <= 0.4141146894);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (2, x);
    ASSERT (y >= 0.1534518529 && y <= 0.1534518530);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (3, x);
    ASSERT (y >= -0.2525864231 && y <= -0.2525864230);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (4, x);
    ASSERT (y >= -0.5522725209 && y <= -0.5522725208);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (5, x);
    ASSERT (y >= -0.9100925684 && y <= -0.9100925683);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (6, x);
    ASSERT (y >= -1.842707923 && y <= -1.842707922);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (7, x);
    ASSERT (y >= -4.908985081 && y <= -4.908985080);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (8, x);
    ASSERT (y >= -16.24302659 && y <= -16.24302658);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (9, x);
    ASSERT (y >= -63.48270581 && y <= -63.48270580);
  
    /* A particular value.  */
    x = 3.8;
    y = yn (10, x);
    ASSERT (y >= -284.4645273 && y <= -284.4645272);
  
    return 0;
  }
  

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