SortableLongToDouble() public static méthode

Converts a sortable long back to a double.
public static SortableLongToDouble ( long val ) : double
val long
Résultat double
NumericUtils Class Documentation
Exemple #1
0
        public virtual double ParseDouble(System.String val)
        {
            int shift = val[0] - NumericUtils.SHIFT_START_LONG;

            if (shift > 0 && shift <= 63)
            {
                throw new FieldCacheImpl.StopFillCacheException();
            }
            return(NumericUtils.SortableLongToDouble(NumericUtils.PrefixCodedToLong(val)));
        }
Exemple #2
0
        public virtual void TestDoubles()
        {
            double[] vals     = new double[] { double.NegativeInfinity, -2.3E25, -1.0E15, -1.0, -1.0E-1, -1.0E-2, -0.0, +0.0, 1.0E-2, 1.0E-1, 1.0, 1.0E15, 2.3E25, double.PositiveInfinity, double.NaN };
            long[]   longVals = new long[vals.Length];

            // check forward and back conversion
            for (int i = 0; i < vals.Length; i++)
            {
                longVals[i] = NumericUtils.DoubleToSortableLong(vals[i]);
                Assert.IsTrue(vals[i].CompareTo(NumericUtils.SortableLongToDouble(longVals[i])) == 0, "forward and back conversion should generate same double");
            }

            // check sort order (prefixVals should be ascending)
            for (int i = 1; i < longVals.Length; i++)
            {
                Assert.IsTrue(longVals[i - 1] < longVals[i], "check sort order");
            }
        }