コード例 #1
0
        private static void TestNorm2(LinearAlgebraProviderChoice providers)
        {
            TestSettings.RunMultiproviderTest(providers, delegate()
            {
                var vector = SparseVector.CreateFromArrays(SparseVector10.Length, SparseVector10.NonZeroValues,
                                                           SparseVector10.NonZeroIndices, true, false);

                // Norm2()
                comparer.AssertEqual(SparseVector10.Norm2OfThis, vector.Norm2());
            });
        }
コード例 #2
0
        private static void TestDotProduct(LinearAlgebraProviderChoice providers)
        {
            TestSettings.RunMultiproviderTest(providers, delegate()
            {
                var sparse = SparseVector.CreateFromArrays(SparseVector10.Length, SparseVector10.NonZeroValues,
                                                           SparseVector10.NonZeroIndices, true, false);
                var dense = Vector.CreateFromArray(SparseVector10.OtherVector);

                // DotProduct() with dense vector
                comparer.AssertEqual(SparseVector10.DotThisTimesOther, sparse.DotProduct(dense));

                // DotProduct() with itsedlf
                comparer.AssertEqual(SparseVector10.Norm2OfThis * SparseVector10.Norm2OfThis, sparse.DotProduct(sparse));
            });
        }
コード例 #3
0
        private static void TestAxpy(LinearAlgebraProviderChoice providers)
        {
            TestSettings.RunMultiproviderTest(providers, delegate()
            {
                var sparse = SparseVector.CreateFromArrays(SparseVector10.Length, SparseVector10.NonZeroValues,
                                                           SparseVector10.NonZeroIndices, true, false);
                var dense    = Vector.CreateFromArray(SparseVector10.OtherVector);
                var expected = Vector.CreateFromArray(SparseVector10.OtherVectorPlusThisVectorTimes3);

                // Axpy()
                comparer.AssertEqual(expected, dense.Axpy(sparse, 3.0));

                // AxpyIntoThis
                var temp = Vector.CreateFromVector(dense);
                temp.AxpyIntoThis(sparse, 3.0);
                comparer.AssertEqual(expected, temp);
            });
        }