System.Numerics.Tests.cast_fromTest.DoubleExplicitCastFromLargeBigIntegerTests C# (CSharp) Method

        private static void DoubleExplicitCastFromLargeBigIntegerTests(int startShift, int bigShiftLoopLimit, int smallShift = 0, int smallShiftLoopLimit = 1)
        {
            BigInteger init = BigInteger.One << startShift;

            for (int i = 0; i < smallShiftLoopLimit; i++)
            {
                BigInteger temp = init << ((i + 1) * smallShift);

                for (int j = 0; j < bigShiftLoopLimit; j++)
                {
                    temp = temp << (int.MaxValue / 2);
                    VerifyDoubleExplicitCastFromBigInteger(Double.PositiveInfinity, temp);
                    VerifyDoubleExplicitCastFromBigInteger(Double.NegativeInfinity, -temp);
                }

            }
        }