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mpf: fix some string copies
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1b3684c9c1
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@ -212,16 +212,16 @@ void mpf_manager::set(mpf & o, unsigned ebits, unsigned sbits, mpf_rounding_mode
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size_t e_pos = v.find('p');
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if (e_pos == std::string_view::npos) e_pos = v.find('P');
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const char *f = (e_pos != std::string_view::npos) ? v.substr(0, e_pos).data() : v.data();
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const char *e = (e_pos != std::string_view::npos) ? v.substr(e_pos+1).data() : "0";
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auto f = (e_pos != std::string_view::npos) ? std::string(v.substr(0, e_pos)) : std::string(v);
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auto e = (e_pos != std::string_view::npos) ? std::string(v.substr(e_pos+1)) : "0";
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TRACE("mpf_dbg", tout << "sgn = " << sgn << " f = " << f << " e = " << e << std::endl;);
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scoped_mpq q(m_mpq_manager);
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m_mpq_manager.set(q, f);
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m_mpq_manager.set(q, f.c_str());
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scoped_mpz ex(m_mpq_manager);
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m_mpz_manager.set(ex, e);
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m_mpz_manager.set(ex, e.c_str());
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set(o, ebits, sbits, rm, ex, q);
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o.sign = sgn;
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@ -1562,7 +1562,7 @@ std::string mpf_manager::to_string(mpf const & x) {
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if (m_mpq_manager.is_int(r))
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ss << ".0";
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ss << " " << exponent;
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res += ss.str();
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res += std::move(ss).str();
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}
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}
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@ -1600,7 +1600,7 @@ std::string mpf_manager::to_string_raw(mpf const & x) {
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res += " ";
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std::stringstream ss("");
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ss << exp(x);
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res += ss.str();
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res += std::move(ss).str();
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if (is_normal(x))
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res += " N";
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else
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@ -1629,7 +1629,7 @@ std::string mpf_manager::to_string_hexfloat(mpf const & x) {
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ss.setf(ff);
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ss.precision(13);
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ss << std::hexfloat << to_double(x);
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return ss.str();
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return std::move(ss).str();
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}
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std::string mpf_manager::to_string_binary(mpf const & x, unsigned upper_extra, unsigned lower_extra) {
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