--- /dev/null
+/* Test compatibility mpf-mpfr.
+
+Copyright 2003, 2004, 2005, 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 your
+option) 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 MERCHANTABILITY
+or 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. */
+
+#if defined (__cplusplus)
+#include <cstdio>
+#else
+#include <stdio.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+
+#include "gmp.h"
+#include "mpfr.h"
+#ifdef MPFR
+#include "mpf2mpfr.h"
+#endif
+
+int
+main ()
+{
+ unsigned long int prec;
+ unsigned long int prec2;
+ mpf_t x, y;
+ mpz_t z;
+ mpq_t q;
+ double d;
+ signed long int exp;
+ long l;
+ unsigned long u;
+ char *s;
+ int i;
+ FILE *f;
+ gmp_randstate_t state;
+
+ /* Initialization Functions */
+ prec = 53;
+ mpf_set_default_prec (prec);
+ prec2 = mpf_get_default_prec ();
+ if (prec2 < prec)
+ {
+ printf ("Error in get_default_prec: %lu < %lu\n", prec2, prec);
+ exit (1);
+ }
+
+ mpf_init (y);
+
+ mpf_init2 (x, prec);
+ prec2 = mpf_get_prec (x);
+ if (prec2 < prec)
+ {
+ printf ("Error in get_prec: %lu < %lu\n", prec2, prec);
+ mpf_clear (y);
+ mpf_clear (x);
+ exit (1);
+ }
+
+ mpf_set_prec (x, 2 * prec);
+ prec2 = mpf_get_prec (x);
+ if (prec2 < 2 * prec)
+ {
+ printf ("Error in set_prec: %lu < %lu\n", prec2, 2 * prec);
+ mpf_clear (y);
+ mpf_clear (x);
+ exit (1);
+ }
+
+ mpf_set_prec_raw (x, prec);
+ prec2 = mpf_get_prec (x);
+ if (prec2 < prec)
+ {
+ printf ("Error in set_prec_raw: %lu < %lu\n", prec2, prec);
+ mpf_clear (y);
+ mpf_clear (x);
+ exit (1);
+ }
+
+ /* Assignment Functions */
+
+ mpf_set (y, x);
+ mpf_set_ui (x, 1);
+ mpf_set_si (x, -1);
+ mpf_set_d (x, 1.0);
+
+ mpz_init_set_ui (z, 17);
+ mpf_set_z (x, z);
+ mpz_clear (z);
+
+ mpq_init (q);
+ mpq_set_ui (q, 2, 3);
+ mpf_set_q (x, q);
+ mpq_clear (q);
+
+ mpf_set_str (x, "3.1415e1", 10);
+ mpf_swap (x, y);
+
+ /* Combined Initialization and Assignment Functions */
+
+ mpf_clear (x);
+ mpf_init_set (x, y);
+ mpf_clear (x);
+ mpf_init_set_ui (x, 17);
+ mpf_clear (x);
+ mpf_init_set_si (x, -17);
+ mpf_clear (x);
+ mpf_init_set_d (x, 17.0);
+ mpf_clear (x);
+ mpf_init_set_str (x, "3.1415e1", 10);
+
+ /* Conversion Functions */
+
+ d = mpf_get_d (x);
+ d = mpf_get_d_2exp (&exp, x);
+ l = mpf_get_si (x);
+ u = mpf_get_ui (x);
+ s = mpf_get_str (NULL, &exp, 10, 10, x);
+ /* MPF doen't have mpf_free_str */
+ mpfr_free_str (s);
+
+
+ /* Arithmetic Functions */
+
+ mpf_add (y, x, x);
+ mpf_add_ui (y, x, 1);
+ mpf_sub (y, x, x);
+ mpf_ui_sub (y, 1, x);
+ mpf_sub_ui (y, x, 1);
+ mpf_mul (y, x, x);
+ mpf_mul_ui (y, x, 17);
+ mpf_div (y, x, x);
+ mpf_ui_div (y, 17, x);
+ mpf_div_ui (y, x, 17);
+ mpf_sqrt (y, x);
+ mpf_sqrt_ui (y, 17);
+ mpf_pow_ui (y, x, 2);
+ mpf_neg (y, x);
+ mpf_abs (y, x);
+ mpf_mul_2exp (y, x, 17);
+ mpf_div_2exp (y, x, 17);
+
+ /* Comparison Functions */
+
+ i = mpf_cmp (y, x);
+ i = mpf_cmp_d (y, 1.7);
+ i = mpf_cmp_ui (y, 17);
+ i = mpf_cmp_si (y, -17);
+ i = mpf_eq (y, x, 17);
+ mpf_reldiff (y, y, x);
+ i = mpf_sgn (x);
+
+ /* Input and Output Functions */
+
+ f = fopen ("/dev/null", "w");
+ if (f != NULL)
+ {
+ mpf_out_str (f, 10, 10, x);
+ fclose (f);
+ }
+
+ mpf_set_prec (x, 15);
+ mpf_set_prec (y, 15);
+ /* We may use src_fopen instead of fopen, but it is defined
+ in mpfr-test, and not in mpfr.h and gmp.h, and we want
+ to test theses includes files. */
+ f = fopen ("inp_str.data", "r");
+ if (f != NULL)
+ {
+ i = mpf_inp_str (x, f, 10);
+ if ((i == 0) || mpf_cmp_ui (x, 31415))
+ {
+ printf ("Error in reading 1st line from file inp_str.data\n");
+ exit (1);
+ }
+ fclose (f);
+ }
+
+ /* Miscellaneous Functions */
+
+ mpf_ceil (y, x);
+ mpf_floor (y, x);
+ mpf_trunc (y, x);
+
+ i = mpf_integer_p (x);
+
+ i = mpf_fits_ulong_p (x);
+ i = mpf_fits_slong_p (x);
+ i = mpf_fits_uint_p (x);
+ i = mpf_fits_sint_p (x);
+ i = mpf_fits_ushort_p (x);
+ i = mpf_fits_sshort_p (x);
+
+ gmp_randinit (state, GMP_RAND_ALG_LC, 128);
+ mpf_urandomb (x, state, 10);
+ gmp_randclear (state);
+
+ mpf_random2 (x, 17, 17);
+
+ /* clear all variables */
+ mpf_clear (y);
+ mpf_clear (x);
+
+ return 0;
+}
projects / msp430-gcc.git / blobdiff