X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gmp%2Ftests%2Fcxx%2Ft-rand.cc;fp=gmp%2Ftests%2Fcxx%2Ft-rand.cc;h=506a13789f74cd68e4f534a2849487a9ed8741cf;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gmp/tests/cxx/t-rand.cc b/gmp/tests/cxx/t-rand.cc new file mode 100644 index 00000000..506a1378 --- /dev/null +++ b/gmp/tests/cxx/t-rand.cc @@ -0,0 +1,138 @@ +/* Test gmp_randclass. + +Copyright 2002, 2003 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 3 of the License, or (at your +option) any later version. + +The GNU MP 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 Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ + +#include "gmp.h" +#include "gmpxx.h" +#include "gmp-impl.h" +#include "tests.h" + +using namespace std; + + +/* all flavours of initialization */ +void +check_randinit (void) +{ + { + gmp_randclass r(gmp_randinit_default); + } + + { + mpz_class a(0); + unsigned long c = 0, m2exp = 8; + gmp_randclass r(gmp_randinit_lc_2exp, a, c, m2exp); + } + + { + unsigned long m2exp = 64; + gmp_randclass r(gmp_randinit_lc_2exp_size, m2exp); + } + + /* gmp_randinit_lc_2exp_size, with excessive size */ + { + try { + unsigned long m2exp = ULONG_MAX; + gmp_randclass r(gmp_randinit_lc_2exp_size, m2exp); + ASSERT_ALWAYS (0); /* should not be reached */ + } catch (length_error) { + } + } + + { + gmp_randclass r(gmp_randinit_mt); + } + + /* obsolete, but still available */ + { + gmp_randalg_t alg = GMP_RAND_ALG_LC; + unsigned long m2exp = 64; + gmp_randclass r(alg, m2exp); + } + { + gmp_randalg_t alg = GMP_RAND_ALG_DEFAULT; + unsigned long m2exp = 64; + gmp_randclass r(alg, m2exp); + } + { + gmp_randalg_t alg = (gmp_randalg_t) 0; + unsigned long m2exp = 64; + gmp_randclass r(alg, m2exp); + } +} + +void +check_mpz (void) +{ + { + gmp_randclass r(gmp_randinit_default); + mpz_class a(123); + unsigned int b = 256; + mpz_class c; + r.seed(a); + c = r.get_z_bits(b); + } + { + gmp_randclass r(gmp_randinit_default); + mpz_class a(256); + unsigned long b = 123; + mpz_class c; + r.seed(b); + c = r.get_z_bits(a); + } + { + gmp_randclass r(gmp_randinit_default); + mpz_class a(123), b(256); + mpz_class c; + r.seed(a); + c = r.get_z_range(b); + } +} + +void +check_mpf (void) +{ + { + gmp_randclass r(gmp_randinit_default); + mpz_class a(123); + r.seed(a); + mpf_class b; + b = r.get_f(); + } + { + gmp_randclass r(gmp_randinit_default); + int a = 123, b = 128; + r.seed(a); + mpf_class c; + c = r.get_f(b); + } +} + + +int +main (void) +{ + tests_start(); + + check_randinit(); + check_mpz(); + check_mpf(); + + tests_end(); + return 0; +}