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aiger2: Drop `empty_lit()` as a function

This commit is contained in:
Martin Povišer 2024-09-11 21:15:17 +02:00
parent dbc937b2a7
commit 9db1ca83fc
1 changed files with 4 additions and 10 deletions
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14
backends/aiger2/aiger.cc
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@ -118,7 +118,7 @@ struct Index {
modules.reserve(top->design->modules().size());
int nlits = index_module(top);
log_debug("allocating for %d literals\n", nlits);
lits.resize(nlits, Writer::empty_lit());
lits.resize(nlits, Writer::EMPTY_LIT);
top_minfo = &modules.at(top);
}
@ -426,7 +426,7 @@ struct Index {
}
int idx = cursor.bitwire_index(bit);
if (lits[idx] != Writer::empty_lit()) {
if (lits[idx] != Writer::EMPTY_LIT) {
// literal already assigned
return lits[idx];
}
@ -503,13 +503,7 @@ struct AigerWriter : Index<AigerWriter, unsigned int> {
const static Lit CONST_FALSE = 0;
const static Lit CONST_TRUE = 1;
// for some reason having a 'const static int EMPTY_LIT'
// led to linkage errors
static Lit empty_lit()
{
return 0x80000000;
}
const static constexpr Lit EMPTY_LIT = std::numeric_limits<Lit>::max();
static Lit negate(Lit lit) {
return lit ^ 1;
@ -722,7 +716,7 @@ struct AIGCounter : Index<AIGCounter, int> {
typedef int Lit;
const static Lit CONST_FALSE = -1;
const static Lit CONST_TRUE = 1;
static Lit empty_lit() { return 0; }
const static constexpr Lit EMPTY_LIT = 0;
static Lit negate(Lit lit) { return -lit; }
int nvars = 1;
int ngates = 0;