1 /* comparison predicates 2 3 Copyright 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. 4 Contributed by the AriC and Caramel projects, INRIA. 5 6 This file is part of the GNU MPFR Library. 7 8 The GNU MPFR Library is free software; you can redistribute it and/or modify 9 it under the terms of the GNU Lesser General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or (at your 11 option) any later version. 12 13 The GNU MPFR Library is distributed in the hope that it will be useful, but 14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16 License for more details. 17 18 You should have received a copy of the GNU Lesser General Public License 19 along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see 20 http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 21 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23 #include "mpfr-impl.h" 24 25 /* Note: these functions currently use mpfr_cmp; they could have their 26 own code to be faster. */ 27 28 /* = < > unordered 29 * mpfr_greater_p 0 0 1 0 30 * mpfr_greaterequal_p 1 0 1 0 31 * mpfr_less_p 0 1 0 0 32 * mpfr_lessequal_p 1 1 0 0 33 * mpfr_lessgreater_p 0 1 1 0 34 * mpfr_equal_p 1 0 0 0 35 * mpfr_unordered_p 0 0 0 1 36 */ 37 38 int 39 mpfr_greater_p (mpfr_srcptr x, mpfr_srcptr y) 40 { 41 return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) > 0); 42 } 43 44 int 45 mpfr_greaterequal_p (mpfr_srcptr x, mpfr_srcptr y) 46 { 47 return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) >= 0); 48 } 49 50 int 51 mpfr_less_p (mpfr_srcptr x, mpfr_srcptr y) 52 { 53 return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) < 0); 54 } 55 56 int 57 mpfr_lessequal_p (mpfr_srcptr x, mpfr_srcptr y) 58 { 59 return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) <= 0); 60 } 61 62 int 63 mpfr_lessgreater_p (mpfr_srcptr x, mpfr_srcptr y) 64 { 65 return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) != 0); 66 } 67 68 int 69 mpfr_equal_p (mpfr_srcptr x, mpfr_srcptr y) 70 { 71 return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) == 0); 72 } 73 74 int 75 mpfr_unordered_p (mpfr_srcptr x, mpfr_srcptr y) 76 { 77 return MPFR_IS_NAN(x) || MPFR_IS_NAN(y); 78 } 79