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Ref T111, different implementation as recommended by MS

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This commit is contained in:
Klaus Basan
2017-08-03 18:11:39 +02:00
committed by Mathew Sutcliffe
parent 6b4e10f81b
commit 4e45496431
1 changed files with 12 additions and 16 deletions
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28
src/blackmisc/pq/angle.cpp
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@@ -77,32 +77,28 @@ namespace BlackMisc
CAngle::DegMinSecFractionalSec CAngle::asSexagesimalDegMinSec(bool range180Degrees) const
{
double v = this->value(CAngleUnit::deg());
v = CAngleUnit::deg().roundToEpsilon(v);
double dms = this->value(CAngleUnit::sexagesimalDeg());
// range -179-180 ?
if (range180Degrees)
{
v = std::fmod(v + 180.0, 360.0);
v += (v < 0) ? 180.0 : -180.0;
dms = std::fmod(dms + 180.0, 360.0);
dms += (dms < 0) ? 180.0 : -180.0;
}
DegMinSecFractionalSec values;
if (v < 0)
if (dms < 0)
{
values.sign = -1;
v *= -1.0;
dms *= -1.0;
}
values.deg = v;
v -= values.deg;
v = v * 100.0 * 0.6;
values.min = v;
v -= values.min;
v = v * 100.0 * 0.6;
values.sec = v;
v -= values.sec;
values.fractionalSec = CMathUtils::round(v, 6);
values.deg = CMathUtils::trunc(dms);
dms = CMathUtils::fract(dms) * 100;
values.min = CMathUtils::trunc(dms);
dms = CMathUtils::fract(dms) * 100;
values.sec = CMathUtils::trunc(dms);
dms = CMathUtils::fract(dms);
values.fractionalSec = CMathUtils::round(dms, 6);
return values;
}