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This commit is contained in:
Christoph M. Wintersteiger 2016-03-05 16:47:39 +00:00
parent 9dfc2bc61e
commit f34e15f289
1 changed files with 28 additions and 28 deletions
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56
src/ast/fpa/fpa2bv_rewriter.h
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@ -27,8 +27,8 @@ Notes:
#include"fpa2bv_rewriter_params.hpp"
struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
ast_manager & m_manager;
expr_ref_vector m_out;
ast_manager & m_manager;
expr_ref_vector m_out;
fpa2bv_converter & m_conv;
sort_ref_vector m_bindings;
@ -49,7 +49,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
m_manager.register_plugin(s_bv, alloc(bv_decl_plugin));
}
~fpa2bv_rewriter_cfg() {
~fpa2bv_rewriter_cfg() {
}
void cleanup_buffers() {
@ -71,7 +71,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
updt_local_params(p);
}
bool max_steps_exceeded(unsigned num_steps) const {
bool max_steps_exceeded(unsigned num_steps) const {
cooperate("fpa2bv");
return num_steps > m_max_steps;
}
@ -91,9 +91,9 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
if (m().is_eq(f)) {
SASSERT(num == 2);
TRACE("fpa2bv_rw", tout << "(= " << mk_ismt2_pp(args[0], m()) << " " <<
TRACE("fpa2bv_rw", tout << "(= " << mk_ismt2_pp(args[0], m()) << " " <<
mk_ismt2_pp(args[1], m()) << ")" << std::endl;);
SASSERT(m().get_sort(args[0]) == m().get_sort(args[1]));
SASSERT(m().get_sort(args[0]) == m().get_sort(args[1]));
sort * ds = f->get_domain()[0];
if (m_conv.is_float(ds)) {
m_conv.mk_eq(args[0], args[1], result);
@ -121,7 +121,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
}
return BR_FAILED;
}
if (m_conv.is_float_family(f)) {
switch (f->get_decl_kind()) {
case OP_FPA_RM_NEAREST_TIES_TO_AWAY:
@ -129,7 +129,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
case OP_FPA_RM_TOWARD_NEGATIVE:
case OP_FPA_RM_TOWARD_POSITIVE:
case OP_FPA_RM_TOWARD_ZERO: m_conv.mk_rounding_mode(f, result); return BR_DONE;
case OP_FPA_NUM: m_conv.mk_numeral(f, num, args, result); return BR_DONE;
case OP_FPA_NUM: m_conv.mk_numeral(f, num, args, result); return BR_DONE;
case OP_FPA_PLUS_INF: m_conv.mk_pinf(f, result); return BR_DONE;
case OP_FPA_MINUS_INF: m_conv.mk_ninf(f, result); return BR_DONE;
case OP_FPA_PLUS_ZERO: m_conv.mk_pzero(f, result); return BR_DONE;
@ -141,7 +141,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
case OP_FPA_MUL: m_conv.mk_mul(f, num, args, result); return BR_DONE;
case OP_FPA_DIV: m_conv.mk_div(f, num, args, result); return BR_DONE;
case OP_FPA_REM: m_conv.mk_rem(f, num, args, result); return BR_DONE;
case OP_FPA_ABS: m_conv.mk_abs(f, num, args, result); return BR_DONE;
case OP_FPA_ABS: m_conv.mk_abs(f, num, args, result); return BR_DONE;
case OP_FPA_FMA: m_conv.mk_fma(f, num, args, result); return BR_DONE;
case OP_FPA_SQRT: m_conv.mk_sqrt(f, num, args, result); return BR_DONE;
case OP_FPA_ROUND_TO_INTEGRAL: m_conv.mk_round_to_integral(f, num, args, result); return BR_DONE;
@ -150,7 +150,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
case OP_FPA_GT: m_conv.mk_float_gt(f, num, args, result); return BR_DONE;
case OP_FPA_LE: m_conv.mk_float_le(f, num, args, result); return BR_DONE;
case OP_FPA_GE: m_conv.mk_float_ge(f, num, args, result); return BR_DONE;
case OP_FPA_IS_ZERO: m_conv.mk_is_zero(f, num, args, result); return BR_DONE;
case OP_FPA_IS_ZERO: m_conv.mk_is_zero(f, num, args, result); return BR_DONE;
case OP_FPA_IS_NAN: m_conv.mk_is_nan(f, num, args, result); return BR_DONE;
case OP_FPA_IS_INF: m_conv.mk_is_inf(f, num, args, result); return BR_DONE;
case OP_FPA_IS_NORMAL: m_conv.mk_is_normal(f, num, args, result); return BR_DONE;
@ -164,7 +164,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
case OP_FPA_TO_SBV: m_conv.mk_to_sbv(f, num, args, result); return BR_DONE;
case OP_FPA_TO_REAL: m_conv.mk_to_real(f, num, args, result); return BR_DONE;
case OP_FPA_TO_IEEE_BV: m_conv.mk_to_ieee_bv(f, num, args, result); return BR_DONE;
case OP_FPA_MIN: m_conv.mk_min(f, num, args, result); return BR_REWRITE_FULL;
case OP_FPA_MAX: m_conv.mk_max(f, num, args, result); return BR_REWRITE_FULL;
@ -174,10 +174,10 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
case OP_FPA_INTERNAL_MAX_I: m_conv.mk_max_i(f, num, args, result); return BR_DONE;
case OP_FPA_INTERNAL_RM:
case OP_FPA_INTERNAL_BVWRAP:
case OP_FPA_INTERNAL_BVUNWRAP:
case OP_FPA_INTERNAL_BVWRAP:
case OP_FPA_INTERNAL_BVUNWRAP:
case OP_FPA_INTERNAL_TO_REAL_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_UBV_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_UBV_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_SBV_UNSPECIFIED: return BR_FAILED;
default:
TRACE("fpa2bv", tout << "unsupported operator: " << f->get_name() << "\n";
@ -207,8 +207,8 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
{
TRACE("fpa2bv", tout << "pre_visit: " << mk_ismt2_pp(t, m()) << std::endl;);
if (is_quantifier(t)) {
quantifier * q = to_quantifier(t);
if (is_quantifier(t)) {
quantifier * q = to_quantifier(t);
TRACE("fpa2bv", tout << "pre_visit quantifier [" << q->get_id() << "]: " << mk_ismt2_pp(q->get_expr(), m()) << std::endl;);
sort_ref_vector new_bindings(m_manager);
for (unsigned i = 0 ; i < q->get_num_decls(); i++)
@ -219,9 +219,9 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
return true;
}
bool reduce_quantifier(quantifier * old_q,
expr * new_body,
expr * const * new_patterns,
bool reduce_quantifier(quantifier * old_q,
expr * new_body,
expr * const * new_patterns,
expr * const * new_no_patterns,
expr_ref & result,
proof_ref & result_pr) {
@ -241,7 +241,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
name_buffer.reset();
name_buffer << n << ".bv";
new_decl_names.push_back(symbol(name_buffer.c_str()));
new_decl_sorts.push_back(m_conv.bu().mk_sort(sbits+ebits));
new_decl_sorts.push_back(m_conv.bu().mk_sort(sbits+ebits));
}
else {
new_decl_sorts.push_back(s);
@ -252,18 +252,18 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
new_body, old_q->get_weight(), old_q->get_qid(), old_q->get_skid(),
old_q->get_num_patterns(), new_patterns, old_q->get_num_no_patterns(), new_no_patterns);
result_pr = 0;
m_bindings.shrink(old_sz);
TRACE("fpa2bv", tout << "reduce_quantifier[" << old_q->get_depth() << "]: " <<
m_bindings.shrink(old_sz);
TRACE("fpa2bv", tout << "reduce_quantifier[" << old_q->get_depth() << "]: " <<
mk_ismt2_pp(old_q->get_expr(), m()) << std::endl <<
" new body: " << mk_ismt2_pp(new_body, m()) << std::endl;
tout << "result = " << mk_ismt2_pp(result, m()) << std::endl;);
tout << "result = " << mk_ismt2_pp(result, m()) << std::endl;);
return true;
}
bool reduce_var(var * t, expr_ref & result, proof_ref & result_pr) {
bool reduce_var(var * t, expr_ref & result, proof_ref & result_pr) {
if (t->get_idx() >= m_bindings.size())
return false;
// unsigned inx = m_bindings.size() - t->get_idx() - 1;
// unsigned inx = m_bindings.size() - t->get_idx() - 1;
expr_ref new_exp(m());
sort * s = t->get_sort();
@ -275,14 +275,14 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
new_var = m().mk_var(t->get_idx(), m_conv.bu().mk_sort(sbits+ebits));
m_conv.mk_fp(m_conv.bu().mk_extract(sbits+ebits-1, sbits+ebits-1, new_var),
m_conv.bu().mk_extract(ebits - 1, 0, new_var),
m_conv.bu().mk_extract(sbits+ebits-2, ebits, new_var),
m_conv.bu().mk_extract(sbits+ebits-2, ebits, new_var),
new_exp);
}
else
new_exp = m().mk_var(t->get_idx(), s);
result = new_exp;
result_pr = 0;
result_pr = 0;
TRACE("fpa2bv", tout << "reduce_var: " << mk_ismt2_pp(t, m()) << " -> " << mk_ismt2_pp(result, m()) << std::endl;);
return true;
}
@ -293,7 +293,7 @@ template class rewriter_tpl<fpa2bv_rewriter_cfg>;
struct fpa2bv_rewriter : public rewriter_tpl<fpa2bv_rewriter_cfg> {
fpa2bv_rewriter_cfg m_cfg;
fpa2bv_rewriter(ast_manager & m, fpa2bv_converter & c, params_ref const & p):
rewriter_tpl<fpa2bv_rewriter_cfg>(m, m.proofs_enabled(), m_cfg),
rewriter_tpl<fpa2bv_rewriter_cfg>(m, m.proofs_enabled(), m_cfg),
m_cfg(m, c, p) {
}
};