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Bugfixes for fp.to_* operators

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This commit is contained in:
Christoph M. Wintersteiger 2017-09-15 19:56:15 +01:00
parent 4267f304a4
commit 05447d612a
4 changed files with 35 additions and 16 deletions
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8
src/util/mpf.cpp
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@ -1217,12 +1217,18 @@ void mpf_manager::to_sbv_mpq(mpf_rounding_mode rm, const mpf & x, scoped_mpq & o
default: UNREACHABLE();
}
if (inc) m_mpz_manager.inc(z);
TRACE("mpf_dbg_sbv",
tout << "SBV: (" << to_string(x) << ") == " << m_mpq_manager.to_string(z) << std::endl;
tout << "sign=" << t.sign() << " last=" << last << " round=" << round <<
" sticky=" << sticky << " inc=" << inc << std::endl; );
}
else
m_mpz_manager.mul2k(z, (unsigned) e);
m_mpq_manager.set(o, z);
if (x.sign) m_mpq_manager.neg(o);
TRACE("mpf_dbg", tout << "SBV = " << m_mpq_manager.to_string(o) << std::endl;);
}
void mpf_manager::to_ieee_bv_mpz(const mpf & x, scoped_mpz & o) {
@ -1248,6 +1254,8 @@ void mpf_manager::to_ieee_bv_mpz(const mpf & x, scoped_mpz & o) {
m_mpz_manager.mul2k(o, sbits - 1);
m_mpz_manager.add(o, sig(x), o);
}
TRACE("mpf_dbg", tout << "IEEE_BV = " << m_mpz_manager.to_string(o) << std::endl;);
}
void mpf_manager::renormalize(unsigned ebits, unsigned sbits, mpf_exp_t & exp, mpz & sig) {