1/* Test file for mpfr_ai. 2 3Copyright 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#include <limits.h> 26 27#include "mpfr-test.h" 28 29#define TEST_FUNCTION mpfr_ai 30#define TEST_RANDOM_EMIN -5 31#define TEST_RANDOM_EMAX 5 32#define REDUCE_EMAX 7 /* this is to avoid that test_generic() calls mpfr_ai 33 with too large inputs. FIXME: remove this once 34 mpfr_ai can handle large inputs */ 35#include "tgeneric.c" 36 37static void 38check_large (void) 39{ 40 mpfr_t x, y, z; 41 42 mpfr_init2 (x, 38); 43 mpfr_init2 (y, 110); 44 mpfr_init2 (z, 110); 45 mpfr_set_str_binary (x, "-1E8"); 46 mpfr_ai (y, x, MPFR_RNDN); 47 mpfr_set_str_binary (z, "-10001110100001011111110001100011101100011100010000110100100101011111011100000101110101010010000000101110011111E-112"); 48 if (mpfr_equal_p (y, z) == 0) 49 { 50 printf ("Error in mpfr_ai for x=-2^8\n"); 51 exit (1); 52 } 53#if 0 /* disabled since mpfr_ai does not currently handle large arguments */ 54 mpfr_set_str_binary (x, "-1E26"); 55 mpfr_ai (y, x, MPFR_RNDN); 56 mpfr_set_str_binary (z, "-110001111100000011001010010101001101001011001011101011001010100100001110001101101101000010000011001000001011E-118"); 57 if (mpfr_equal_p (y, z) == 0) 58 { 59 printf ("Error in mpfr_ai for x=-2^26\n"); 60 exit (1); 61 } 62 mpfr_set_str_binary (x, "-0.11111111111111111111111111111111111111E1073741823"); 63 mpfr_ai (y, x, MPFR_RNDN); 64 /* FIXME: compute the correctly rounded value we should get for Ai(x), 65 and check we get this value */ 66#endif 67 mpfr_clear (x); 68 mpfr_clear (y); 69 mpfr_clear (z); 70} 71 72int 73main (int argc, char *argv[]) 74{ 75 tests_start_mpfr (); 76 77 check_large (); 78 79 test_generic (2, 100, 5); 80 81 tests_end_mpfr (); 82 return 0; 83} 84