/* Test file for mpfr_round. Copyright (C) 1999 PolKA project, Inria Lorraine and Loria This file is part of the MPFR Library. The MPFR Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the MPFR Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include "gmp.h" #include "mpfr.h" int main() { mpfr_t x; /* checks that rounds to nearest sets the last bit to zero in case of equal distance */ mpfr_init2(x, 2); mpfr_set_d(x, 5.0, 0); if (mpfr_get_d(x) != 4.0) { printf("Error in tround: got %1.1f instead of 4.0\n",mpfr_get_d(x)); } mpfr_set_d(x, 0.00098539467465030839, 0); mpfr_set_d(x, 9.84891017624509146344e-01, GMP_RNDU); if (mpfr_get_d(x) != 1.0) { printf("Error in tround: got %f instead of 1.0\n",mpfr_get_d(x)); exit(1); } mpfr_clear(x); exit (0); }