1/* Test file for mpfr_sqrt_ui. 2 3Copyright 2000, 2001, 2002, 2003, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. 4Contributed by the Arenaire and Cacao projects, INRIA. 5 6This file is part of the GNU MPFR Library. 7 8The GNU MPFR Library is free software; you can redistribute it and/or modify 9it under the terms of the GNU Lesser General Public License as published by 10the Free Software Foundation; either version 3 of the License, or (at your 11option) any later version. 12 13The GNU MPFR Library is distributed in the hope that it will be useful, but 14WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16License for more details. 17 18You should have received a copy of the GNU Lesser General Public License 19along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see 20http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 2151 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23#include <stdio.h> 24#include <stdlib.h> 25 26#include "mpfr-test.h" 27 28static void 29check (unsigned long a, mpfr_rnd_t rnd_mode, const char *qs) 30{ 31 mpfr_t q; 32 33 mpfr_init2 (q, 53); 34 mpfr_sqrt_ui (q, a, rnd_mode); 35 if (mpfr_cmp_str1 (q, qs)) 36 { 37 printf ("mpfr_sqrt_ui failed for a=%lu, rnd_mode=%s\n", 38 a, mpfr_print_rnd_mode (rnd_mode)); 39 printf ("sqrt gives %s, mpfr_sqrt_ui gives ", qs); 40 mpfr_out_str(stdout, 10, 0, q, MPFR_RNDN); 41 exit (1); 42 } 43 mpfr_clear (q); 44} 45 46int 47main (void) 48{ 49 tests_start_mpfr (); 50 51 check (0, MPFR_RNDN, "0.0"); 52 check (2116118, MPFR_RNDU, "1.45468828276026215e3"); 53 54 tests_end_mpfr (); 55 return 0; 56} 57