Abacus.DoublePrecision.Vector3Tests.TestStaticFn_CatmullRom_ii C# (CSharp) Method

        public void TestStaticFn_CatmullRom_ii ()
        {
            var a = new Vector3( -90, +30, +90 );
            var b = new Vector3( -30, -30, +30 );
            var c = new Vector3( +30, +30, -30 );
            var d = new Vector3( +90, -30, -90 );

            Double one = 1;

            Double u = 15;
            Double v = (Double) 165  / (Double)  8; // 20.5
            Double w = (Double) 45   / (Double)  2; // 20.625
            Double x = (Double) 1755 / (Double) 64; // 27.421875
            Double y = (Double) 15   / (Double)  2; // 14.5
            Double z = (Double) 705  / (Double) 64; // 11.015625

            Double a0 = 0;
            Double a1 = (one * 1) / 8;
            Double a2 = (one * 2) / 8;
            Double a3 = (one * 3) / 8;
            Double a4 = (one * 4) / 8;
            Double a5 = (one * 5) / 8;
            Double a6 = (one * 6) / 8;
            Double a7 = (one * 7) / 8;
            Double a8 = 1;

            Vector3 r0 = b;
            Vector3 r1 = new Vector3( -w, -x,  w );
            Vector3 r2 = new Vector3( -u, -v,  u );
            Vector3 r3 = new Vector3( -y, -z,  y );
            Vector3 r4 = Vector3.Zero;
            Vector3 r5 = new Vector3(  y,  z, -y );
            Vector3 r6 = new Vector3(  u,  v, -u );
            Vector3 r7 = new Vector3(  w,  x, -w );
            Vector3 r8 = c;

            var knownResults = new List<Tuple<Double, Vector3>>
            {
                new Tuple<Double, Vector3>( a0, r0 ),
                new Tuple<Double, Vector3>( a1, r1 ),
                new Tuple<Double, Vector3>( a2, r2 ),
                new Tuple<Double, Vector3>( a3, r3 ),
                new Tuple<Double, Vector3>( a4, r4 ),
                new Tuple<Double, Vector3>( a5, r5 ),
                new Tuple<Double, Vector3>( a6, r6 ),
                new Tuple<Double, Vector3>( a7, r7 ),
                new Tuple<Double, Vector3>( a8, r8 ),
            };

            for (Int32 idx = 0; idx < knownResults.Count; ++idx)
            {
                Vector3 result;
                Double amount = knownResults[idx].Item1;
                Vector3 expected = knownResults[idx].Item2;

                Vector3.CatmullRom (
                    ref a, ref b, ref c, ref d, ref amount, out result);

                AssertEqualWithinReason(result, expected);
            }
        }