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Corrected unspecified behavior of corner cases in fp.min/fp.max.

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Partially addresses #68.
This commit is contained in:
Christoph M. Wintersteiger 2015-10-06 19:45:05 +01:00
parent 6e852762ba
commit 8a026c355f
10 changed files with 211 additions and 55 deletions
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34
src/ast/fpa_decl_plugin.cpp
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@ -689,6 +689,28 @@ func_decl * fpa_decl_plugin::mk_internal_bv_unwrap(decl_kind k, unsigned num_par
return m_manager->mk_func_decl(symbol("bv_unwrap"), 1, domain, range, func_decl_info(m_family_id, k, num_parameters, parameters));
}
func_decl * fpa_decl_plugin::mk_internal_min_unspecified(
decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) {
if (arity != 0)
m_manager->raise_exception("invalid number of arguments to fp.min_unspecified");
if (!is_float_sort(range))
m_manager->raise_exception("sort mismatch, expected range of FloatingPoint sort");
return m_manager->mk_func_decl(symbol("fp.min_unspecified"), 0, (sort*)0, range, func_decl_info(m_family_id, k, num_parameters, parameters));
}
func_decl * fpa_decl_plugin::mk_internal_max_unspecified(
decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) {
if (arity != 0)
m_manager->raise_exception("invalid number of arguments to fp.max_unspecified");
if (!is_float_sort(range))
m_manager->raise_exception("sort mismatch, expected range of FloatingPoint sort");
return m_manager->mk_func_decl(symbol("fp.max_unspecified"), 0, (sort*)0, range, func_decl_info(m_family_id, k, num_parameters, parameters));
}
func_decl * fpa_decl_plugin::mk_internal_to_ubv_unspecified(
decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) {
@ -796,6 +818,10 @@ func_decl * fpa_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
return mk_internal_bv_wrap(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_INTERNAL_BVUNWRAP:
return mk_internal_bv_unwrap(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_INTERNAL_MIN_UNSPECIFIED:
return mk_internal_min_unspecified(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_INTERNAL_MAX_UNSPECIFIED:
return mk_internal_max_unspecified(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_INTERNAL_TO_UBV_UNSPECIFIED:
return mk_internal_to_ubv_unspecified(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_INTERNAL_TO_SBV_UNSPECIFIED:
@ -1001,6 +1027,14 @@ app * fpa_util::mk_nzero(unsigned ebits, unsigned sbits) {
return mk_value(v);
}
app * fpa_util::mk_internal_min_unspecified(unsigned ebits, unsigned sbits) {
return m().mk_app(get_family_id(), OP_FPA_INTERNAL_MIN_UNSPECIFIED, 0, 0, 0, 0, mk_float_sort(ebits, sbits));
}
app * fpa_util::mk_internal_max_unspecified(unsigned ebits, unsigned sbits) {
return m().mk_app(get_family_id(), OP_FPA_INTERNAL_MAX_UNSPECIFIED, 0, 0, 0, 0, mk_float_sort(ebits, sbits));
}
app * fpa_util::mk_internal_to_ubv_unspecified(unsigned width) {
parameter ps[] = { parameter(width) };
sort * range = m_bv_util.mk_sort(width);