flightsimulatorplatfrom/pilotclient
1
0
Fork 0
mirror of https://github.com/swift-project/pilotclient.git synced 2026-04-03 07:35:48 +08:00
Code Issues Packages Projects Releases Wiki Activity

Ref T111, lat/lng/angle changes

Browse Source 
* get struct CAngle::DegMinSecFractionalSec to obtain parts
* round to epsilon utility functions and fix (qint64)
This commit is contained in:
Klaus Basan
2017-07-26 14:38:49 +02:00
committed by Mathew Sutcliffe
parent 77546a46b1
commit e55480737e
15 changed files with 328 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/blackmisc/math/mathutils.cpp
View File

@@ -53,10 +53,12 @@ namespace BlackMisc
double CMathUtils::roundEpsilon(double value, double epsilon)
{
if (epsilon == 0) { return value; } // avoid division by 0
double fractpart, intpart;
fractpart = modf(value, &intpart);
if (fractpart == 0) return value; // do not mess any "integers" to the worse
qint64 ri = qRound(value / epsilon);
if (fractpart == 0) { return value; } // do not mess any "integers" to the worse
const double roundValue = value / epsilon;
qint64 ri = qRound64(roundValue);
double rv = static_cast<double>(ri) * epsilon; // do not loose any range here
return rv;
}
@@ -113,5 +115,15 @@ namespace BlackMisc
return multiplier * divisor;
}
QString CMathUtils::fractionalPartAsString(double value, int width)
{
double intpart;
const double fractpart = modf(value, &intpart);
const QString f = QString::number(fractpart);
const QString fInt = f.length() < 3 ? QString("0") : f.mid(2);
if (width < 0) { return fInt; }
if (fInt.length() >= width) { return fInt.left(width); }
return fInt.leftJustified(width, '0');
}
} // namespace
} // namespace