--- /dev/null
+/* 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;
+}