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https://github.com/Z3Prover/z3
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69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
/*++
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Copyright (c) 2012 Microsoft Corporation
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Module Name:
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f2n.cpp
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Abstract:
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Author:
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Leonardo de Moura (leonardo) 2012-08-17.
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Revision History:
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--*/
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#include"f2n.h"
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#include"hwf.h"
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#include"mpf.h"
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static void tst1() {
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hwf_manager hm;
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f2n<hwf_manager> m(hm);
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hwf a, b;
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m.set(a, 11, 3);
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m.floor(a, b);
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std::cout << "floor(11/3): " << m.to_double(b) << "\n";
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m.ceil(a, b);
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std::cout << "ceil(11/3): " << m.to_double(b) << "\n";
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m.set(a, -11, 3);
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m.floor(a, b);
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std::cout << "floor(-11/3): " << m.to_double(b) << "\n";
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m.ceil(a, b);
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std::cout << "ceil(-11/3): " << m.to_double(b) << "\n";
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m.set(a, 11, 1);
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m.floor(a, b);
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std::cout << "floor(11): " << m.to_double(b) << "\n";
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m.ceil(a, b);
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std::cout << "ceil(11): " << m.to_double(b) << "\n";
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}
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static void tst2() {
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std::cout << "using mpf...\n";
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mpf_manager fm;
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f2n<mpf_manager> m(fm);
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scoped_mpf a(fm), b(fm);
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m.set(a, 11, 3);
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m.floor(a, b);
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std::cout << "floor(11/3): " << m.to_double(b) << "\n";
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m.ceil(a, b);
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std::cout << "ceil(11/3): " << m.to_double(b) << "\n";
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m.set(a, -11, 3);
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m.floor(a, b);
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std::cout << "floor(-11/3): " << m.to_double(b) << "\n";
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m.ceil(a, b);
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std::cout << "ceil(-11/3): " << m.to_double(b) << "\n";
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m.set(a, 11, 1);
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m.floor(a, b);
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std::cout << "floor(11): " << m.to_double(b) << "\n";
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m.ceil(a, b);
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std::cout << "ceil(11): " << m.to_double(b) << "\n";
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}
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void tst_f2n() {
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tst1();
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tst2();
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}
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