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https://github.com/pocoproject/poco.git
synced 2025-10-26 02:18:04 +01:00
extract locale dependency from numeric string parsing
This commit is contained in:
Aleksandar Fabijanic
@@ -39,7 +39,6 @@
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#include "Poco/Stopwatch.h"
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#include <iostream>
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#include <iomanip>
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#include <cstdio>
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using Poco::trimLeft;
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@@ -379,130 +378,148 @@ void StringTest::testStringToFloat()
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{
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#ifndef POCO_NO_FPENVIRONMENT
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const char ds = decimalSeparator();
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const char ts = thousandSeparator();
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double result;
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assert(strToFloat(format("1", ds), result));
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assertEqualDelta(1.0, result, 0.01);
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assert(strToFloat(format("0", ds), result));
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assertEqualDelta(0.0, result, 0.01);
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assert(strToFloat(format("0%c0", ds), result));
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assertEqualDelta(0.0, result, 0.01);
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assert(strToFloat(format("0%c0", ds), result));
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assertEqualDelta(0., result, 0.01);
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assert(strToFloat(format("0%c0", ds), result));
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assertEqualDelta(.0, result, 0.01);
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assert(strToFloat(format("12%c34", ds), result));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("12%c34f", ds), result));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("12%c34", ds), result));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("-12%c34", ds), result));
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assertEqualDelta(-12.34, result, 0.01);
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assert(strToFloat(format("%c34", ds), result));
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assertEqualDelta(.34, result, 0.01);
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assert(strToFloat(format("-%c34", ds), result));
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assertEqualDelta(-.34, result, 0.01);
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assert(strToFloat(format("12%c", ds), result));
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assertEqualDelta(12., result, 0.01);
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assert(strToFloat(format("-12%c", ds), result));
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assertEqualDelta(-12., result, 0.01);
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assert(strToFloat("12", result));
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assertEqualDelta(12, result, 0.01);
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assert(strToFloat("-12", result));
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assertEqualDelta(-12, result, 0.01);
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assert(strToFloat(format("12%c3456789012345678901234567890", ds), result));
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assertEqualDelta(12.34, result, 0.01);
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char eu;
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std::string sep(".,");
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assert(strToFloat(format("1%c234%c3456789012345678901234567890", ts, ds), result));
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assertEqualDelta(1234.3456789, result, 0.00000001);
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assert(strToFloat(format("12%c345%c3456789012345678901234567890", ts, ds), result));
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assertEqualDelta(12345.3456789, result, 0.00000001);
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assert(strToFloat(format("123%c456%c3456789012345678901234567890", ts, ds), result));
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assertEqualDelta(123456.3456789, result, 0.00000001);
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assert(strToFloat(format("1%c234%c567%c3456789012345678901234567890", ts, ts, ds), result));
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assertEqualDelta(1234567.3456789, result, 0.00000001);
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assert(strToFloat(format("12%c345%c678%c3456789012345678901234567890", ts, ts, ds), result));
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assertEqualDelta(12345678.3456789, result, 0.00000001);
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assert(strToFloat(format("123%c456%c789%c3456789012345678901234567890", ts, ts, ds), result));
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assertEqualDelta(123456789.3456789, result, 0.00000001);
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if ((std::numeric_limits<double>::max() / 10) < 1.23456e10)
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fail ("test value larger than max value for this platform");
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else
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for (int i = 0; i < 2; ++i)
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{
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double d = 12e34;
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assert(strToFloat(format("12e34", ds), result));
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assertEqualDelta(d, result, 0.01e34);
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char ds = sep[i];
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for (int j = 0; j < 2; ++j)
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{
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char ts = sep[j];
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if (ts == ds) continue;
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assert(strToFloat("1", result, eu, ds, ts));
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assertEqualDelta(1.0, result, 0.01);
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assert(strToFloat(format("%c1", ds), result, eu, ds, ts));
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assertEqualDelta(.1, result, 0.01);
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assert(strToFloat(format("1%c", ds), result, eu, ds, ts));
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assertEqualDelta(1., result, 0.01);
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assert(strToFloat("0", result, eu, ds, ts));
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assertEqualDelta(0.0, result, 0.01);
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assert(strToFloat(format("0%c", ds), result, eu, ds, ts));
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assertEqualDelta(0.0, result, 0.01);
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assert(strToFloat(format("%c0", ds), result, eu, ds, ts));
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assertEqualDelta(0.0, result, 0.01);
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assert(strToFloat(format("0%c0", ds), result, eu, ds, ts));
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assertEqualDelta(0.0, result, 0.01);
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assert(strToFloat(format("0%c0", ds), result, eu, ds, ts));
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assertEqualDelta(0., result, 0.01);
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assert(strToFloat(format("0%c0", ds), result, eu, ds, ts));
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assertEqualDelta(.0, result, 0.01);
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assert(strToFloat(format("12%c34", ds), result, eu, ds, ts));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("12%c34f", ds), result, eu, ds, ts));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("12%c34", ds), result, eu, ds, ts));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("-12%c34", ds), result, eu, ds, ts));
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assertEqualDelta(-12.34, result, 0.01);
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assert(strToFloat(format("%c34", ds), result, eu, ds, ts));
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assertEqualDelta(.34, result, 0.01);
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assert(strToFloat(format("-%c34", ds), result, eu, ds, ts));
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assertEqualDelta(-.34, result, 0.01);
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assert(strToFloat(format("12%c", ds), result, eu, ds, ts));
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assertEqualDelta(12., result, 0.01);
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assert(strToFloat(format("-12%c", ds), result, eu, ds, ts));
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assertEqualDelta(-12., result, 0.01);
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assert(strToFloat("12", result, eu, ds, ts));
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assertEqualDelta(12, result, 0.01);
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assert(strToFloat("-12", result, eu, ds, ts));
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assertEqualDelta(-12, result, 0.01);
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assert(strToFloat(format("12%c3456789012345678901234567890", ds), result, eu, ds, ts));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("1%c234%c3456789012345678901234567890", ts, ds), result, eu, ds, ts));
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assertEqualDelta(1234.3456789, result, 0.00000001);
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assert(strToFloat(format("12%c345%c3456789012345678901234567890", ts, ds), result, eu, ds, ts));
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assertEqualDelta(12345.3456789, result, 0.00000001);
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assert(strToFloat(format("123%c456%c3456789012345678901234567890", ts, ds), result, eu, ds, ts));
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assertEqualDelta(123456.3456789, result, 0.00000001);
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assert(strToFloat(format("1%c234%c567%c3456789012345678901234567890", ts, ts, ds), result, eu, ds, ts));
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assertEqualDelta(1234567.3456789, result, 0.00000001);
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assert(strToFloat(format("12%c345%c678%c3456789012345678901234567890", ts, ts, ds), result, eu, ds, ts));
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assertEqualDelta(12345678.3456789, result, 0.00000001);
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assert(strToFloat(format("123%c456%c789%c3456789012345678901234567890", ts, ts, ds), result, eu, ds, ts));
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assertEqualDelta(123456789.3456789, result, 0.00000001);
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if ((std::numeric_limits<double>::max() / 10) < 1.23456e10)
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fail ("test value larger than max value for this platform");
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else
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{
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double d = 12e34;
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assert(strToFloat(format("12e34", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01e34);
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d = 1.234e100;
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assert(strToFloat(format("1%c234e100", ds), result));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format("1%c234E+100", ds), result));
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assertEqualDelta(d, result, 0.01);
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d = 1.234e100;
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assert(strToFloat(format("1%c234e100", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format("1%c234E+100", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = 1.234e-100;
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assert(strToFloat(format("1%c234E-100", ds), result));
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assertEqualDelta(d, result, 0.01);
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d = 1.234e-100;
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assert(strToFloat(format("1%c234E-100", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = -1.234e100;
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assert(strToFloat(format("-1%c234e+100", ds), result));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format("-1%c234E100", ds), result));
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assertEqualDelta(d, result, 0.01);
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d = -1.234e100;
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assert(strToFloat(format("-1%c234e+100", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format("-1%c234E100", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = 1.234e-100;
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assert(strToFloat(format(" 1%c234e-100 ", ds), result));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format(" 1%c234e-100 ", ds), result));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format(" 1%c234e-100 ", ds), result));
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assertEqualDelta(d, result, 0.01);
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d = 1.234e-100;
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assert(strToFloat(format(" 1%c234e-100 ", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format(" 1%c234e-100 ", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format(" 1%c234e-100 ", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = 1234.234e-100;
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assert(strToFloat(format(" 1%c234%c234e-100 ", ts, ds), result));
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assertEqualDelta(d, result, 0.01);
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d = 12345.234e-100;
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assert(strToFloat(format(" 12%c345%c234e-100 ", ts, ds), result));
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assertEqualDelta(d, result, 0.01);
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d = 123456.234e-100;
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assert(strToFloat(format(" 123%c456%c234e-100 ", ts, ds), result));
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assertEqualDelta(d, result, 0.01);
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d = 1234.234e-100;
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assert(strToFloat(format(" 1%c234%c234e-100 ", ts, ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = 12345.234e-100;
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assert(strToFloat(format(" 12%c345%c234e-100 ", ts, ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = 123456.234e-100;
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assert(strToFloat(format(" 123%c456%c234e-100 ", ts, ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = -1234.234e-100;
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assert(strToFloat(format(" -1%c234%c234e-100 ", ts, ds), result));
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assertEqualDelta(d, result, 0.01);
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d = -12345.234e-100;
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assert(strToFloat(format(" -12%c345%c234e-100 ", ts, ds), result));
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assertEqualDelta(d, result, 0.01);
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d = -123456.234e-100;
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char ou = 0;
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assert(strToFloat(format(" -123%c456%c234e-100 ", ts, ds), result));
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assertEqualDelta(d, result, 0.01);
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assert (ou == 0);
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}
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d = -1234.234e-100;
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assert(strToFloat(format(" -1%c234%c234e-100 ", ts, ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = -12345.234e-100;
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assert(strToFloat(format(" -12%c345%c234e-100 ", ts, ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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d = -123456.234e-100;
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char ou = 0;
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assert(strToFloat(format(" -123%c456%c234e-100 ", ts, ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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assert (ou == 0);
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}
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double d = 12.34e-10;
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assert(strToFloat(format("12%c34e-10", ds), result));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format("-12%c34", ds), result));
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assertEqualDelta(-12.34, result, 0.01);
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double d = 12.34e-10;
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assert(strToFloat(format("12%c34e-10", ds), result, eu, ds, ts));
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assertEqualDelta(d, result, 0.01);
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assert(strToFloat(format("-12%c34", ds), result, eu, ds, ts));
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assertEqualDelta(-12.34, result, 0.01);
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assert(strToFloat(format(" 12%c34", ds), result));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("12%c34 ", ds), result));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format(" 12%c34 ", ds), result));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format(" 12%c34", ds), result, eu, ds, ts));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format("12%c34 ", ds), result, eu, ds, ts));
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assertEqualDelta(12.34, result, 0.01);
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assert(strToFloat(format(" 12%c34 ", ds), result, eu, ds, ts));
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assertEqualDelta(12.34, result, 0.01);
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}
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}
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#endif // POCO_NO_FPENVIRONMENT
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}
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void StringTest::testStringToFloatError()
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{
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#ifndef POCO_NO_FPENVIRONMENT
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#if !defined(POCO_NO_FPENVIRONMENT) && !defined(POCO_NO_LOCALE)
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const char ds = decimalSeparator();
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const char ts = thousandSeparator();
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@@ -659,9 +676,11 @@ void StringTest::benchmarkStrToFloat()
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std::cout << std::setw(14) << "std::strtod:\t" << std::setw(10) << std::setfill(' ') << timeStrtod << "[ms]" <<
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std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrtod) << '\t' ;
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graph = (int) (timeStream / timeStrtod); for (int i = 0; i < graph; ++i) std::cout << '#';
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std::cout << std::endl << std::setw(14) << "strToFloat:\t" << std::setw(10) << std::setfill(' ') << timeStrToFloat << "[ms]" <<
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std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrToFloat) << '\t' ;
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graph = (int) (timeStream / timeStrToFloat); for (int i = 0; i < graph; ++i) std::cout << '#';
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std::cout << std::endl << std::setw(14) << "std::sscanf:\t" << std::setw(10) << std::setfill(' ') << timeScanf << "[ms]" <<
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std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeScanf) << '\t' ;
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graph = (int) (timeStream / timeScanf); for (int i = 0; i < graph; ++i) std::cout << '#';
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