1 /* tadd_si -- test file for mpc_add_si. 2 3 Copyright (C) 2011, 2012 INRIA 4 5 This file is part of GNU MPC. 6 7 GNU MPC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU Lesser General Public License as published by the 9 Free Software Foundation; either version 3 of the License, or (at your 10 option) any later version. 11 12 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for 15 more details. 16 17 You should have received a copy of the GNU Lesser General Public License 18 along with this program. If not, see http://www.gnu.org/licenses/ . 19 */ 20 21 #include <stdlib.h> 22 #include "mpc-tests.h" 23 24 static void 25 check_ternary_value (void) 26 { 27 mpfr_prec_t prec; 28 mpc_t z; 29 const long int s = -1; 30 31 mpc_init2 (z, 2); 32 33 for (prec=2; prec <= 1024; prec++) { 34 mpc_set_prec (z, prec); 35 mpc_set_ui (z, 3ul, MPC_RNDNN); 36 if (mpc_add_si (z, z, s, MPC_RNDDU)) { 37 printf ("Error in mpc_add_si: 3+(-1) should be exact\n"); 38 exit (1); 39 } 40 else if (mpc_cmp_si (z, 2l) != 0) { 41 printf ("Error in mpc_add_si: 3+(-1) should be 2\n"); 42 exit (1); 43 } 44 45 mpc_mul_2ui (z, z, (unsigned long int) prec, MPC_RNDNN); 46 if (mpc_add_si (z, z, s, MPC_RNDNN) == 0) { 47 printf ("Error in mpc_add_si: 2^(prec+1)-1 cannot be exact\n"); 48 exit (1); 49 } 50 } 51 52 mpc_clear (z); 53 } 54 55 int 56 main (void) 57 { 58 DECL_FUNC (CCU, f, mpc_add_ui); 59 60 test_start (); 61 62 check_ternary_value (); 63 tgeneric (f, 2, 1024, 11, -2); 64 65 test_end (); 66 67 return 0; 68 } 69