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Bugfix for FP numeral construction and extraction.

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Fixes #382.
This commit is contained in:
Christoph M. Wintersteiger 2015-12-31 16:40:04 +00:00
parent c8931a7bba
commit 4286eb571f
2 changed files with 130 additions and 91 deletions
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71
src/api/api_fpa.cpp
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@ -931,13 +931,21 @@ extern "C" {
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
unsynch_mpz_manager & mpzm = mpfm.mpz_manager();
unsynch_mpq_manager & mpqm = mpfm.mpq_manager();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
if (!plugin->is_numeral(to_expr(t), val)) {
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(fid);
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return "";
}
else if (!mpfm.is_regular(val)) {
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
if (!r || !mpfm.is_regular(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG)
return "";
}
@ -960,16 +968,25 @@ extern "C" {
ast_manager & m = mk_c(c)->m();
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
unsynch_mpz_manager & mpzm = mpfm.mpz_manager();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
bool r = plugin->is_numeral(to_expr(t), val);
if (!r) {
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(fid);
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
const mpz & z = mpfm.sig(val);
if (!mpzm.is_uint64(z)) {
if (!r || mpfm.is_regular(val)|| !mpzm.is_uint64(z)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
*n = mpzm.get_uint64(z);
@ -983,15 +1000,22 @@ extern "C" {
RESET_ERROR_CODE();
ast_manager & m = mk_c(c)->m();
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
bool r = plugin->is_numeral(to_expr(t), val);
if (!r) {
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return "";
}
else if (!mpfm.is_normal(val) && !mpfm.is_denormal(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG)
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
if (!r || !mpfm.is_regular(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
return "";
}
mpf_exp_t exp = mpfm.exp_normalized(val);
@ -1007,11 +1031,24 @@ extern "C" {
RESET_ERROR_CODE();
ast_manager & m = mk_c(c)->m();
mpf_manager & mpfm = mk_c(c)->fpautil().fm();
family_id fid = mk_c(c)->get_fpa_fid();
fpa_decl_plugin * plugin = (fpa_decl_plugin*)m.get_plugin(mk_c(c)->get_fpa_fid());
scoped_mpf val(mpfm);
bool r = plugin->is_numeral(to_expr(t), val);
if (!r) {
SASSERT(plugin != 0);
expr * e = to_expr(t);
if (!is_app(e) ||
is_app_of(e, fid, OP_FPA_NAN) ||
is_app_of(e, fid, OP_FPA_PLUS_INF) ||
is_app_of(e, fid, OP_FPA_MINUS_INF)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
scoped_mpf val(mpfm);
app * a = to_app(e);
bool r = plugin->is_numeral(e, val);
if (!r || !mpfm.is_regular(val)) {
SET_ERROR_CODE(Z3_INVALID_ARG);
*n = 0;
return 0;
}
*n = mpfm.exp(val);