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remove a few string copies

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This commit is contained in:
Nuno Lopes 2023-12-20 16:55:09 +00:00
parent db5a1a7604
commit b2d5c24c1d
18 changed files with 39 additions and 80 deletions
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10
src/api/api_numeral.cpp
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@ -189,7 +189,7 @@ extern "C" {
if (ok && r.is_int() && !r.is_neg()) {
std::stringstream strm;
r.display_bin(strm, r.get_num_bits());
return mk_c(c)->mk_external_string(strm.str());
return mk_c(c)->mk_external_string(std::move(strm).str());
}
else {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
@ -237,7 +237,7 @@ extern "C" {
else if (mk_c(c)->fpautil().is_numeral(to_expr(a), tmp)) {
std::ostringstream buffer;
fu.fm().display_smt2(buffer, tmp, false);
return mk_c(c)->mk_external_string(buffer.str());
return mk_c(c)->mk_external_string(std::move(buffer).str());
}
else {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
@ -288,21 +288,21 @@ extern "C" {
if (u.is_numeral(e, r) && !r.is_int()) {
std::ostringstream buffer;
r.display_decimal(buffer, precision);
return mk_c(c)->mk_external_string(buffer.str());
return mk_c(c)->mk_external_string(std::move(buffer).str());
}
if (u.is_irrational_algebraic_numeral(e)) {
algebraic_numbers::anum const & n = u.to_irrational_algebraic_numeral(e);
algebraic_numbers::manager & am = u.am();
std::ostringstream buffer;
am.display_decimal(buffer, n, precision);
return mk_c(c)->mk_external_string(buffer.str());
return mk_c(c)->mk_external_string(std::move(buffer).str());
}
else if (mk_c(c)->fpautil().is_rm_numeral(to_expr(a), rm))
return Z3_get_numeral_string(c, a);
else if (mk_c(c)->fpautil().is_numeral(to_expr(a), ftmp)) {
std::ostringstream buffer;
fu.fm().display_decimal(buffer, ftmp, 12);
return mk_c(c)->mk_external_string(buffer.str());
return mk_c(c)->mk_external_string(std::move(buffer).str());
}
else if (Z3_get_numeral_rational(c, a, r)) {
return mk_c(c)->mk_external_string(r.to_string());