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More FPA exponent/siginficand order consistency

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This commit is contained in:
Christoph M. Wintersteiger 2016-01-05 18:05:21 +00:00
parent 1610e4fbd0
commit de3cb7e5dc
6 changed files with 246 additions and 218 deletions
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14
src/ast/rewriter/fpa_rewriter.cpp
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@ -271,6 +271,20 @@ br_status fpa_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * const
result = m_util.mk_value(v);
return BR_DONE;
}
else if (m_util.is_rm_numeral(args[0], rmv) &&
m_util.au().is_int(args[1]) &&
m_util.au().is_real(args[2])) {
// rm + int + real -> float
if (!m_util.is_rm_numeral(args[0], rmv) ||
!m_util.au().is_numeral(args[1], r1) ||
!m_util.au().is_numeral(args[2], r2))
return BR_FAILED;
TRACE("fp_rewriter", tout << "r1: " << r1 << ", r2: " << r2 << "\n";);
m_fm.set(v, ebits, sbits, rmv, r1.to_mpq().numerator(), r2.to_mpq());
result = m_util.mk_value(v);
return BR_DONE;
}
else if (bu.is_numeral(args[0], r1, bvs1) &&
bu.is_numeral(args[1], r2, bvs2) &&
bu.is_numeral(args[2], r3, bvs3)) {