public void DegreesToHours_ValueTest()
{
var deg = 78;
var expectedhours = 5.2;
var hours = Astrometry.DegreesToHours(deg);
Assert.AreEqual(expectedhours, hours);
}
public void Create_RADegreesTest(double ra, double dec)
{
var epoch = Epoch.J2000;
var coordinates = new Coordinates(ra, dec, epoch, Coordinates.RAType.Degrees);
Assert.AreEqual(Astrometry.DegreesToHours(ra), coordinates.RA, 0.0001);
Assert.AreEqual(ra, coordinates.RADegrees, 0.0001);
Assert.AreEqual(dec, coordinates.Dec, 0.0001);
Assert.AreEqual(epoch, coordinates.Epoch);
}
public void CreateByRadiansTest(double inputRadians)
{
var angle = Angle.ByRadians(inputRadians);
var expectedDegree = Astrometry.ToDegree(inputRadians);
var expectedArcmin = Astrometry.DegreeToArcmin(expectedDegree);
var expectedArcsec = Astrometry.DegreeToArcsec(expectedDegree);
var expectedHours = Astrometry.DegreesToHours(expectedDegree);
Assert.AreEqual(expectedHours, angle.Hours, TOLERANCE);
Assert.AreEqual(inputRadians, angle.Radians, TOLERANCE);
Assert.AreEqual(expectedDegree, angle.Degree, TOLERANCE);
Assert.AreEqual(expectedArcmin, angle.ArcMinutes, TOLERANCE);
Assert.AreEqual(expectedArcsec, angle.ArcSeconds, TOLERANCE);
}
public void OperatorMultiplyDoubleTest(double firstDegree, double secondDegree)
{
var secondAngle = Angle.ByDegree(secondDegree);
var angle = Astrometry.ToRadians(firstDegree) * secondAngle;
var expectedRadian = Astrometry.ToRadians(firstDegree) * Astrometry.ToRadians(secondDegree);
var expectedDegree = Astrometry.ToDegree(expectedRadian);
var expectedArcmin = Astrometry.DegreeToArcmin(expectedDegree);
var expectedArcsec = Astrometry.DegreeToArcsec(expectedDegree);
var expectedHours = Astrometry.DegreesToHours(expectedDegree);
Assert.AreEqual(expectedDegree, angle.Degree, TOLERANCE);
Assert.AreEqual(expectedArcmin, angle.ArcMinutes, TOLERANCE);
Assert.AreEqual(expectedArcsec, angle.ArcSeconds, TOLERANCE);
Assert.AreEqual(expectedHours, angle.Hours, TOLERANCE);
Assert.AreEqual(expectedRadian, angle.Radians, TOLERANCE);
}
public void StaticAtan2Test(double xRadians, double yRadians)
{
var xAngle = Angle.ByRadians(xRadians);
var yAngle = Angle.ByRadians(yRadians);
var angle = Angle.Atan2(yAngle, xAngle);
var rad = Math.Atan2(yRadians, xRadians);
var expectedDegree = Astrometry.ToDegree(rad);
var expectedArcmin = Astrometry.DegreeToArcmin(expectedDegree);
var expectedArcsec = Astrometry.DegreeToArcsec(expectedDegree);
var expectedHours = Astrometry.DegreesToHours(expectedDegree);
Assert.AreEqual(expectedHours, angle.Hours, TOLERANCE);
Assert.AreEqual(rad, angle.Radians, TOLERANCE);
Assert.AreEqual(expectedDegree, angle.Degree, TOLERANCE);
Assert.AreEqual(expectedArcmin, angle.ArcMinutes, TOLERANCE);
Assert.AreEqual(expectedArcsec, angle.ArcSeconds, TOLERANCE);
}
