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FPA: bug and leak fixes

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-12-14 19:09:17 +00:00
parent 4e913bb18c
commit f11ee40c38
7 changed files with 142 additions and 24 deletions
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19
src/ast/rewriter/float_rewriter.cpp
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@ -37,6 +37,7 @@ br_status float_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * c
SASSERT(f->get_family_id() == get_fid());
switch (f->get_decl_kind()) {
case OP_FLOAT_TO_FP: st = mk_to_fp(f, num_args, args, result); break;
case OP_FLOAT_TO_FP_UNSIGNED: st = mk_to_fp_unsigned(f, num_args, args, result); break;
case OP_FLOAT_ADD: SASSERT(num_args == 3); st = mk_add(args[0], args[1], args[2], result); break;
case OP_FLOAT_SUB: SASSERT(num_args == 3); st = mk_sub(args[0], args[1], args[2], result); break;
case OP_FLOAT_NEG: SASSERT(num_args == 1); st = mk_neg(args[0], result); break;
@ -86,10 +87,10 @@ br_status float_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * cons
return BR_FAILED;
rational q;
mpf q_mpf;
scoped_mpf q_mpf(m_util.fm());
if (m_util.au().is_numeral(args[1], q)) {
TRACE("fp_rewriter", tout << "q: " << q << std::endl; );
mpf v;
scoped_mpf v(m_util.fm());
m_util.fm().set(v, ebits, sbits, rm, q.to_mpq());
result = m_util.mk_value(v);
m_util.fm().del(v);
@ -98,7 +99,7 @@ br_status float_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * cons
}
else if (m_util.is_value(args[1], q_mpf)) {
TRACE("fp_rewriter", tout << "q: " << m_util.fm().to_string(q_mpf) << std::endl; );
mpf v;
scoped_mpf v(m_util.fm());
m_util.fm().set(v, ebits, sbits, rm, q_mpf);
result = m_util.mk_value(v);
m_util.fm().del(v);
@ -126,7 +127,7 @@ br_status float_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * cons
return BR_FAILED;
TRACE("fp_rewriter", tout << "q: " << q << ", e: " << e << "\n";);
mpf v;
scoped_mpf v(m_util.fm());
m_util.fm().set(v, ebits, sbits, rm, q.to_mpq(), e.to_mpq().numerator());
result = m_util.mk_value(v);
m_util.fm().del(v);
@ -137,6 +138,16 @@ br_status float_rewriter::mk_to_fp(func_decl * f, unsigned num_args, expr * cons
}
}
br_status float_rewriter::mk_to_fp_unsigned(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result) {
SASSERT(f->get_num_parameters() == 2);
SASSERT(f->get_parameter(0).is_int());
SASSERT(f->get_parameter(1).is_int());
unsigned ebits = f->get_parameter(0).get_int();
unsigned sbits = f->get_parameter(1).get_int();
return BR_FAILED;
}
br_status float_rewriter::mk_add(expr * arg1, expr * arg2, expr * arg3, expr_ref & result) {
mpf_rounding_mode rm;
if (m_util.is_rm_value(arg1, rm)) {