/* Test file for hyperbolic function : mpfr_cosh, mpfr_sinh, mpfr_tanh, mpfr_acosh, mpfr_asinh, mpfr_atanh.

Copyright 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by the Arenaire and Cacao projects, INRIA.

This file is part of the GNU MPFR Library.

The GNU MPFR Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by
the Free Software Foundation; either version 2.1 of the License, or (at youroption) any later version.

The GNU MPFR Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITYor FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with the GNU MPFR Library; see the file COPYING.LIB.  If not, write to
the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301, USA. */

#include <stdlib.h>
#include <stdio.h>

#include "mpfr-test.h"

static int
check_NAN (void)
{
  mpfr_t t, ch,sh,th,ach,ash,ath;
  int tester;
  int fail = 0;

  mpfr_init2(t,200);
  mpfr_init2(ch,200);
  mpfr_init2(sh,200);
  mpfr_init2(th,200);
  mpfr_init2(ach,200);
  mpfr_init2(ash,200);
  mpfr_init2(ath,200);

  MPFR_SET_NAN(t);

  /******cosh********/

  tester=mpfr_cosh(ch,t,GMP_RNDD);
  if (!MPFR_IS_NAN(ch) || tester!=0)
    {
      printf("cosh NAN \n");
      fail = 1;
      goto clean_up;
    }

  /******sinh********/

  tester=mpfr_sinh(sh,t,GMP_RNDD);
  if (!MPFR_IS_NAN(sh) || tester!=0)
    {
      printf("sinh NAN \n");
      fail = 1;
      goto clean_up;
    }

  /******tanh********/

  tester=mpfr_tanh(th,t,GMP_RNDD);
  if (!MPFR_IS_NAN(th) || tester!=0)
    {
      printf("tanh NAN \n");
      fail = 1;
      goto clean_up;
    }

  /******acosh********/

  tester=mpfr_acosh(ach,t,GMP_RNDD);
  if (!MPFR_IS_NAN(ach) || tester!=0)
    {
      printf("acosh NAN \n");
      fail = 1;
      goto clean_up;
    }

  /******asinh********/

  tester=mpfr_asinh(ash,t,GMP_RNDD);
  if (!MPFR_IS_NAN(ash) || tester!=0)
    {
      printf("asinh NAN \n");
      fail = 1;
      goto clean_up;
    }

  /******atanh********/

  tester=mpfr_atanh(ath,t,GMP_RNDD);
  if (!MPFR_IS_NAN(ath) || tester!=0)
    {
      printf("atanh NAN \n");
      fail = 1;
      goto clean_up;
    }

 clean_up:
  mpfr_clear(t);
  mpfr_clear(ch);
  mpfr_clear(sh);
  mpfr_clear(th);
  mpfr_clear(ach);
  mpfr_clear(ash);
  mpfr_clear(ath);

  return fail;
}

static int
check_zero (void)
{
  mpfr_t t, ch,sh,th,ach,ash,ath;
  int tester;
  int fail = 0;

  mpfr_init2(t,200);
  mpfr_init2(ch,200);
  mpfr_init2(sh,200);
  mpfr_init2(th,200);
  mpfr_init2(ach,200);
  mpfr_init2(ash,200);
  mpfr_init2(ath,200);

  mpfr_set_ui(t,0,GMP_RNDD);

  /******cosh********/

  tester = mpfr_cosh (ch, t, GMP_RNDD);
  if (mpfr_cmp_ui(ch, 1) || tester)
    {
      printf("cosh(0) \n");
      fail = 1;
      goto clean_up;
    }

  /******sinh********/

  tester = mpfr_sinh (sh, t, GMP_RNDD);
  if (!MPFR_IS_ZERO(sh) || tester)
    {
      printf("sinh(0) \n");
      fail = 1;
      goto clean_up;
    }

  /******tanh********/

  tester = mpfr_tanh (th, t, GMP_RNDD);
  if (!MPFR_IS_ZERO(th) || tester)
    {
      printf("tanh(0) \n");
      fail = 1;
      goto clean_up;
    }

  /******acosh********/

  tester=mpfr_acosh(ach,t,GMP_RNDD);
  if (!MPFR_IS_NAN(ach) || tester)
    {
      printf("acosh(0) \n");
      fail = 1;
      goto clean_up;
    }

  /******asinh********/

  tester=mpfr_asinh(ash,t,GMP_RNDD);
  if (!MPFR_IS_ZERO(ash) || tester)
    {
      printf("asinh(0) \n");
      fail = 1;
      goto clean_up;
    }

  /******atanh********/

  tester=mpfr_atanh(ath,t,GMP_RNDD);
  if (!MPFR_IS_ZERO(ath) || tester)
    {
      printf("atanh(0) \n");
      fail = 1;
      goto clean_up;
    }

 clean_up:
  mpfr_clear(t);
  mpfr_clear(ch);
  mpfr_clear(sh);
  mpfr_clear(th);
  mpfr_clear(ach);
  mpfr_clear(ash);
  mpfr_clear(ath);

  return fail;
}

static int
check_INF (void)
{
  mpfr_t t, ch, sh, th, ach, ash, ath;
  int tester;
  int fail = 0;

  mpfr_init2 (t, 200);
  mpfr_init2 (ch, 200);
  mpfr_init2 (sh, 200);
  mpfr_init2 (th, 200);
  mpfr_init2 (ach, 200);
  mpfr_init2 (ash, 200);
  mpfr_init2 (ath, 200);

  MPFR_SET_INF(t);

  if(MPFR_SIGN(t)<0)
    MPFR_CHANGE_SIGN(t);

  /******cosh********/

  tester = mpfr_cosh(ch,t,GMP_RNDD);
  if (!MPFR_IS_INF(ch) || MPFR_SIGN(ch) < 0 || tester!=0)
    {
      printf("cosh(INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******sinh********/

  tester=mpfr_sinh(sh,t,GMP_RNDD);
  if (!MPFR_IS_INF(sh) || MPFR_SIGN(sh) < 0  || tester!=0)
    {
      printf("sinh(INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******tanh********/

  tester=mpfr_tanh(th,t,GMP_RNDD);
  if (mpfr_cmp_ui(th,1) != 0 || tester!=0)
    {
      printf("tanh(INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******acosh********/

  tester=mpfr_acosh(ach,t,GMP_RNDD);
  if (!MPFR_IS_INF(ach) || MPFR_SIGN(ach) < 0  || tester!=0)
    {
      printf("acosh(INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******asinh********/

  tester=mpfr_asinh(ash,t,GMP_RNDD);
  if (!MPFR_IS_INF(ash) || MPFR_SIGN(ash) < 0  || tester!=0)
    {
      printf("asinh(INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******atanh********/

  tester = mpfr_atanh (ath, t, GMP_RNDD);
  if (!MPFR_IS_NAN(ath) || tester != 0)
    {
      printf("atanh(INF) \n");
      fail = 1;
      goto clean_up;
    }

  MPFR_CHANGE_SIGN(t);

  /******cosh********/

  tester=mpfr_cosh(ch,t,GMP_RNDD);
  if (!MPFR_IS_INF(ch) || MPFR_SIGN(ch) < 0  || tester!=0)
    {
      printf("cosh(-INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******sinh********/

  tester=mpfr_sinh(sh,t,GMP_RNDD);
  if (!MPFR_IS_INF(sh)  || MPFR_SIGN(sh) > 0 || tester!=0)
    {
      printf("sinh(-INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******tanh********/

  tester=mpfr_tanh(th,t,GMP_RNDD);
  if (!mpfr_cmp_ui(th,-1) || tester!=0)
    {
      printf("tanh(-INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******acosh********/

  tester=mpfr_acosh(ach,t,GMP_RNDD);
  if (!MPFR_IS_NAN(ach) || tester!=0)
    {
      printf("acosh(-INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******asinh********/

  tester=mpfr_asinh(ash,t,GMP_RNDD);
  if (!MPFR_IS_INF(ash) || MPFR_SIGN(ash) > 0  || tester!=0)
    {
      printf("asinh(-INF) \n");
      fail = 1;
      goto clean_up;
    }

  /******atanh********/

  tester = mpfr_atanh (ath, t, GMP_RNDD);
  if (!MPFR_IS_NAN(ath) || tester != 0)
    {
      printf("atanh(-INF) \n");
      fail = 1;
      goto clean_up;
    }

 clean_up:
  mpfr_clear(t);
  mpfr_clear(ch);
  mpfr_clear(sh);
  mpfr_clear(th);
  mpfr_clear(ach);
  mpfr_clear(ash);
  mpfr_clear(ath);

  return fail;
}

int
main(void)
{
  tests_start_mpfr ();

  if (check_zero ())
    {
      printf ("Error in evaluation at 0\n");
      exit (1);
    }

  if (check_INF ())
    {
      printf ("Error in evaluation of INF\n");
      exit (1);
    }

  if (check_NAN ())
    {
      printf ("Error in evaluation of NAN\n");
      exit (1);
    }

  tests_end_mpfr ();
  return 0;
}
