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FPA API bugfixes

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2015-01-21 14:22:35 +00:00
parent d8f90802c0
commit 052baaabe4
3 changed files with 25 additions and 13 deletions
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2
scripts/update_api.py
View file

@ -267,7 +267,7 @@ def param2dotnet(p):
elif k == OUT_ARRAY:
return "[Out] %s[]" % type2dotnet(param_type(p))
elif k == OUT_MANAGED_ARRAY:
return "[Out] out %s[]" % type2dotnet(param_type(p))
return "[Out] out %s[]" % type2dotnet(param_type(p))
else:
return type2dotnet(param_type(p))

34
src/ast/fpa/fpa2bv_converter.cpp
View file

@ -2982,12 +2982,11 @@ void fpa2bv_converter::mk_is_rm(expr * e, BV_RM_VAL rm, expr_ref & result) {
case BV_RM_TIES_TO_AWAY:
case BV_RM_TIES_TO_EVEN:
case BV_RM_TO_NEGATIVE:
case BV_RM_TO_POSITIVE: return m_simp.mk_eq(e, rm_num, result);
case BV_RM_TO_POSITIVE:
case BV_RM_TO_ZERO:
return m_simp.mk_eq(e, rm_num, result);
default:
rm_num = m_bv_util.mk_numeral(BV_RM_TO_POSITIVE, 3);
expr_ref r(m); r = m_bv_util.mk_ule(e, rm_num);
return m_simp.mk_not(r, result);
UNREACHABLE();
}
}
@ -3182,7 +3181,7 @@ void fpa2bv_converter::mk_rounding_mode(func_decl * f, expr_ref & result)
void fpa2bv_converter::dbg_decouple(const char * prefix, expr_ref & e) {
#ifdef Z3DEBUG
return;
// return;
// CMW: This works only for quantifier-free formulas.
expr_ref new_e(m);
new_e = m.mk_fresh_const(prefix, m.get_sort(e));
@ -3485,9 +3484,14 @@ void fpa2bv_converter::round(sort * s, expr_ref & rm, expr_ref & sgn, expr_ref &
mk_is_rm(rm, BV_RM_TO_POSITIVE, rm_is_to_pos);
m_simp.mk_or(rm_is_to_zero, rm_is_to_neg, rm_zero_or_neg);
m_simp.mk_or(rm_is_to_zero, rm_is_to_pos, rm_zero_or_pos);
dbg_decouple("fpa2bv_rnd_rm_is_to_zero", rm_is_to_zero);
dbg_decouple("fpa2bv_rnd_rm_is_to_neg", rm_is_to_neg);
dbg_decouple("fpa2bv_rnd_rm_is_to_pos", rm_is_to_pos);
expr_ref sgn_is_zero(m);
m_simp.mk_eq(sgn, m_bv_util.mk_numeral(0, 1), sgn_is_zero);
dbg_decouple("fpa2bv_rnd_sgn_is_zero", sgn_is_zero);
expr_ref max_sig(m), max_exp(m), inf_sig(m), inf_exp(m);
max_sig = m_bv_util.mk_numeral(fu().fm().m_powers2.m1(sbits-1, false), sbits-1);
@ -3497,22 +3501,30 @@ void fpa2bv_converter::round(sort * s, expr_ref & rm, expr_ref & sgn, expr_ref &
inf_exp = top_exp;
dbg_decouple("fpa2bv_rnd_max_exp", max_exp);
dbg_decouple("fpa2bv_rnd_max_sig", max_sig);
dbg_decouple("fpa2bv_rnd_inf_sig", inf_sig);
dbg_decouple("fpa2bv_rnd_inf_exp", inf_exp);
expr_ref ovfl_exp(m), max_inf_exp_neg(m), max_inf_exp_pos(m), n_d_check(m), n_d_exp(m);
m_simp.mk_ite(rm_zero_or_neg, max_exp, inf_exp, max_inf_exp_neg);
m_simp.mk_ite(rm_zero_or_pos, max_exp, inf_exp, max_inf_exp_pos);
m_simp.mk_ite(sgn_is_zero, max_inf_exp_neg, max_inf_exp_pos, ovfl_exp);
m_simp.mk_ite(rm_zero_or_pos, max_exp, inf_exp, max_inf_exp_neg);
m_simp.mk_ite(rm_zero_or_neg, max_exp, inf_exp, max_inf_exp_pos);
m_simp.mk_ite(sgn_is_zero, max_inf_exp_pos, max_inf_exp_neg, ovfl_exp);
t_sig = m_bv_util.mk_extract(sbits-1, sbits-1, sig);
m_simp.mk_eq(t_sig, nil_1, n_d_check);
m_simp.mk_ite(n_d_check, bot_exp /* denormal */, biased_exp, n_d_exp);
m_simp.mk_ite(OVF, ovfl_exp, n_d_exp, exp);
expr_ref max_inf_sig_neg(m), max_inf_sig_pos(m), ovfl_sig(m), rest_sig(m);
m_simp.mk_ite(rm_zero_or_neg, max_sig, inf_sig, max_inf_sig_neg);
m_simp.mk_ite(rm_zero_or_pos, max_sig, inf_sig, max_inf_sig_pos);
m_simp.mk_ite(sgn_is_zero, max_inf_sig_neg, max_inf_sig_pos, ovfl_sig);
m_simp.mk_ite(rm_zero_or_pos, max_sig, inf_sig, max_inf_sig_neg);
m_simp.mk_ite(rm_zero_or_neg, max_sig, inf_sig, max_inf_sig_pos);
m_simp.mk_ite(sgn_is_zero, max_inf_sig_pos, max_inf_sig_neg, ovfl_sig);
rest_sig = m_bv_util.mk_extract(sbits-2, 0, sig);
m_simp.mk_ite(OVF, ovfl_sig, rest_sig, sig);
dbg_decouple("fpa2bv_rnd_max_inf_sig_neg", max_inf_sig_neg);
dbg_decouple("fpa2bv_rnd_max_inf_sig_pos", max_inf_sig_pos);
dbg_decouple("fpa2bv_rnd_rm_zero_or_neg", rm_zero_or_neg);
dbg_decouple("fpa2bv_rnd_rm_zero_or_pos", rm_zero_or_pos);
dbg_decouple("fpa2bv_rnd_sgn_final", sgn);
dbg_decouple("fpa2bv_rnd_sig_final", sig);

2
src/util/mpf.cpp
View file

@ -1221,7 +1221,7 @@ std::string mpf_manager::to_string(mpf const & x) {
m_mpq_manager.display_decimal(ss, r, x.sbits);
if (m_mpq_manager.is_int(r))
ss << ".0";
ss << "p" << exponent;
ss << " " << exponent;
res += ss.str();
}
}