func _TestRankSmall(t *testing.T) {
bM := 5
bN := 5
//bP := 5
Adata := [][]float64{
[]float64{1.0, 1.0, 1.0, 1.0, 1.0},
[]float64{2.0, 2.0, 2.0, 2.0, 2.0},
[]float64{3.0, 3.0, 3.0, 3.0, 3.0},
[]float64{4.0, 4.0, 4.0, 4.0, 4.0},
[]float64{5.0, 5.0, 5.0, 5.0, 5.0}}
A := matrix.FloatMatrixFromTable(Adata, matrix.RowOrder)
A0 := matrix.FloatMatrixFromTable(Adata, matrix.RowOrder)
X := matrix.FloatVector([]float64{1.0, 2.0, 3.0, 4.0, 5.0})
Y := matrix.FloatWithValue(bN, 1, 2.0)
Ar := A.FloatArray()
Xr := X.FloatArray()
Yr := Y.FloatArray()
blas.GerFloat(X, Y, A0, 1.0)
DRankMV(Ar, Xr, Yr, 1.0, A.LeadingIndex(), 1, 1, 0, bN, 0, bM, 4, 4)
ok := A0.AllClose(A)
t.Logf("A0 == A1: %v\n", ok)
if !ok {
t.Logf("blas ger:\n%v\n", A0)
t.Logf("A1: \n%v\n", A)
}
}
func TestTrsmUnblk(t *testing.T) {
//bN := 7
Udata3 := [][]float64{
[]float64{2.0, 2.0, 2.0},
[]float64{0.0, 3.0, 3.0},
[]float64{0.0, 0.0, 4.0}}
U3 := matrix.FloatMatrixFromTable(Udata3, matrix.RowOrder)
_ = U3
Ldata3 := [][]float64{
[]float64{1.0, 0.0, 0.0},
[]float64{1.0, 2.0, 0.0},
[]float64{1.0, 2.0, 3.0}}
L3 := matrix.FloatMatrixFromTable(Ldata3, matrix.RowOrder)
_ = L3
bN := 10
nP := 7
nb := 4
L := matrix.FloatNormalSymmetric(bN, matrix.Lower)
//t.Logf("-- TRSM-UPPER, TRANS, RIGHT, NON_UNIT --")
//trsmSolve(t, U3, UPPER|TRANSA|RIGHT, false, 2, 0)
//t.Logf("-- TRSM-UPPER, TRANS, RIGHT, UNIT --")
//trsmSolve(t, U3, UPPER|TRANSA|UNIT|RIGHT, false, 2, 0)
t.Logf("-- UNBLK TRSM-LOWER, TRANS, RIGHT, NON-UNIT --")
trsmSolve(t, L, LOWER|TRANSA|RIGHT, false, nP, 0)
t.Logf("-- BLK TRSM-LOWER, TRANS, RIGHT, NON-UNIT --")
trsmSolve(t, L, LOWER|TRANSA|RIGHT, false, nP, nb)
}
func _TestSyrk2Small(t *testing.T) {
//bN := 7
Udata3 := [][]float64{
[]float64{2.0, 2.0, 2.0},
[]float64{0.0, 3.0, 3.0},
[]float64{0.0, 0.0, 4.0}}
Udata := [][]float64{
[]float64{1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
[]float64{0.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0},
[]float64{0.0, 0.0, 3.0, 3.0, 3.0, 3.0, 3.0},
[]float64{0.0, 0.0, 0.0, 4.0, 4.0, 4.0, 4.0},
[]float64{0.0, 0.0, 0.0, 0.0, 5.0, 5.0, 5.0},
[]float64{0.0, 0.0, 0.0, 0.0, 0.0, 6.0, 6.0},
[]float64{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 7.0}}
U := matrix.FloatMatrixFromTable(Udata, matrix.RowOrder)
U3 := matrix.FloatMatrixFromTable(Udata3, matrix.RowOrder)
_ = U
_ = U3
Ldata3 := [][]float64{
[]float64{1.0, 0.0, 0.0},
[]float64{1.0, 2.0, 0.0},
[]float64{1.0, 2.0, 3.0}}
Ldata := [][]float64{
[]float64{1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 0.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0}}
L := matrix.FloatMatrixFromTable(Ldata, matrix.RowOrder)
L3 := matrix.FloatMatrixFromTable(Ldata3, matrix.RowOrder)
_ = L
_ = L3
Adata := [][]float64{
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0}}
Bdata := [][]float64{
[]float64{7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0},
[]float64{7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0}}
_ = Bdata
A := matrix.FloatMatrixFromTable(Adata)
//B := matrix.FloatMatrixFromTable(Bdata);
B := matrix.FloatNormal(7, 2)
t.Logf("-- SYR2K UPPER --")
syrk2Test(t, U.Copy(), A, B, UPPER, 4, 2)
t.Logf("-- SYR2K LOWER --")
syrk2Test(t, L.Copy(), A, B, LOWER, 4, 2)
t.Logf("-- SYR2K UPPER, TRANSA --")
//t.Logf("A: \n%v\n", A.Transpose())
syrk2Test(t, U.Copy(), A.Transpose(), B.Transpose(), UPPER|TRANSA, 4, 2)
t.Logf("-- SYR2K LOWER, TRANS --")
syrk2Test(t, L.Copy(), A.Transpose(), B.Transpose(), LOWER|TRANSA, 4, 2)
}
func _TestBKpivot1U(t *testing.T) {
Ldata := [][]float64{
[]float64{7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0},
[]float64{1.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0},
[]float64{1.0, 2.0, 5.0, 4.0, 3.0, 5.0, 1.0},
[]float64{1.0, 2.0, 3.0, 4.0, 3.0, 2.0, 1.0},
[]float64{1.0, 5.0, 3.0, 4.0, 3.0, 2.0, 1.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 2.0, 1.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 1.0}}
Bdata := [][]float64{
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0}}
A := matrix.FloatMatrixFromTable(Ldata, matrix.RowOrder)
X := matrix.FloatMatrixFromTable(Bdata, matrix.RowOrder)
N := A.Rows()
B := matrix.FloatZeros(N, 2)
MultSym(B, A, X, 1.0, 0.0, UPPER|LEFT)
//t.Logf("initial B:\n%v\n", B)
//N := 8
//A := matrix.FloatUniformSymmetric(N)
W := matrix.FloatWithValue(A.Rows(), 5, 0.0)
nb := 0
ipiv := make([]int, N, N)
L, _ := DecomposeBK(A.Copy(), W, ipiv, UPPER, nb)
t.Logf("ipiv: %v\n", ipiv)
t.Logf("L:\n%v\n", L)
nb = 4
//ipiv0 := make([]int, N, N)
//L0, _ := DecomposeBK(A.Copy(), W, ipiv0, LOWER, nb)
//t.Logf("ipiv: %v\n", ipiv0)
//t.Logf("L:\n%v\n", L0)
//B0 := B.Copy()
//SolveBK(B0, L0, ipiv0, LOWER)
//t.Logf("B0:\n%v\n", B0)
ipiv2 := make([]int32, N, N)
lapack.SytrfFloat(A, ipiv2, linalg.OptUpper)
t.Logf("ipiv2: %v\n", ipiv2)
t.Logf("lapack A:\n%v\n", A)
//lapack.Sytrs(A, B, ipiv2, linalg.OptLower)
//t.Logf("lapack B:\n%v\n", B)
//t.Logf("B == B0: %v\n", B.AllClose(B0))
}
func main() {
flag.Parse()
gdata0 := [][]float64{
[]float64{12., 13., 12.},
[]float64{6., -3., -12.},
[]float64{-5., -5., 6.}}
gdata1 := [][]float64{
[]float64{3., 3., -1., 1.},
[]float64{-6., -6., -9., 19.},
[]float64{10., -2., -2., -3.}}
c := matrix.FloatVector([]float64{-2.0, 1.0, 5.0})
g0 := matrix.FloatMatrixFromTable(gdata0, matrix.ColumnOrder)
g1 := matrix.FloatMatrixFromTable(gdata1, matrix.ColumnOrder)
Ghq := sets.FloatSetNew("Gq", "hq")
Ghq.Append("Gq", g0, g1)
h0 := matrix.FloatVector([]float64{-12.0, -3.0, -2.0})
h1 := matrix.FloatVector([]float64{27.0, 0.0, 3.0, -42.0})
Ghq.Append("hq", h0, h1)
var Gl, hl, A, b *matrix.FloatMatrix = nil, nil, nil, nil
var solopts cvx.SolverOptions
solopts.MaxIter = 30
solopts.ShowProgress = true
if maxIter > -1 {
solopts.MaxIter = maxIter
}
if len(solver) > 0 {
solopts.KKTSolverName = solver
}
sol, err := cvx.Socp(c, Gl, hl, A, b, Ghq, &solopts, nil, nil)
fmt.Printf("status: %v\n", err)
if sol != nil && sol.Status == cvx.Optimal {
x := sol.Result.At("x")[0]
fmt.Printf("x=\n%v\n", x.ToString("%.9f"))
for i, m := range sol.Result.At("sq") {
fmt.Printf("sq[%d]=\n%v\n", i, m.ToString("%.9f"))
}
for i, m := range sol.Result.At("zq") {
fmt.Printf("zq[%d]=\n%v\n", i, m.ToString("%.9f"))
}
sq0 := sol.Result.At("sq")[0]
sq1 := sol.Result.At("sq")[1]
zq0 := sol.Result.At("zq")[0]
zq1 := sol.Result.At("zq")[1]
check(x, sq0, sq1, zq0, zq1)
}
}
func _TestTrmmUnblkSmall(t *testing.T) {
U := matrix.FloatMatrixFromTable(upper7, matrix.RowOrder)
U3 := matrix.FloatMatrixFromTable(upper3, matrix.RowOrder)
_ = U
_ = U3
L := matrix.FloatMatrixFromTable(lower7, matrix.RowOrder)
L3 := matrix.FloatMatrixFromTable(lower3, matrix.RowOrder)
_ = L
t.Logf("-- TRMM-UPPER, NON-UNIT ---")
fail(t, trmmTest(t, U3, UPPER, 0))
t.Logf("-- TRMM-UPPER, UNIT ---")
fail(t, trmmTest(t, U3, UPPER|UNIT, 0))
t.Logf("-- TRMM-UPPER, NON-UNIT, TRANSA ---")
fail(t, trmmTest(t, U3, UPPER|TRANSA, 0))
t.Logf("-- TRMM-UPPER, UNIT, TRANSA ---")
fail(t, trmmTest(t, U3, UPPER|TRANSA|UNIT, 0))
t.Logf("-- TRMM-LOWER, NON-UNIT ---")
fail(t, trmmTest(t, L3, LOWER, 0))
t.Logf("-- TRMM-LOWER, UNIT ---")
fail(t, trmmTest(t, L3, LOWER|UNIT, 0))
t.Logf("-- TRMM-LOWER, NON-UNIT, TRANSA ---")
fail(t, trmmTest(t, L3, LOWER|TRANSA, 0))
t.Logf("-- TRMM-LOWER, UNIT, TRANSA ---")
fail(t, trmmTest(t, L3, LOWER|TRANSA|UNIT, 0))
t.Logf("-- TRMM-UPPER, NON-UNIT, RIGHT ---")
fail(t, trmmTest(t, U3, UPPER|RIGHT, 0))
t.Logf("-- TRMM-UPPER, UNIT, RIGHT ---")
fail(t, trmmTest(t, U3, UPPER|UNIT|RIGHT, 0))
t.Logf("-- TRMM-LOWER, NON-UNIT, RIGHT ---")
fail(t, trmmTest(t, L3, LOWER|RIGHT, 0))
t.Logf("-- TRMM-LOWER, UNIT, RIGHT ---")
fail(t, trmmTest(t, L3, LOWER|UNIT|RIGHT, 0))
t.Logf("-- TRMM-UPPER, NON-UNIT, RIGHT, TRANSA ---")
fail(t, trmmTest(t, U3, UPPER|RIGHT|TRANSA, 0))
t.Logf("-- TRMM-UPPER, UNIT, RIGHT, TRANSA ---")
fail(t, trmmTest(t, U3, UPPER|UNIT|RIGHT|TRANSA, 0))
t.Logf("-- TRMM-LOWER, NON-UNIT, RIGHT, TRANSA ---")
fail(t, trmmTest(t, L3, LOWER|RIGHT|TRANSA, 0))
t.Logf("-- TRMM-LOWER, UNIT, RIGHT, TRANSA ---")
fail(t, trmmTest(t, L3, LOWER|UNIT|RIGHT|TRANSA, 0))
}
func TestTrmvSmall(t *testing.T) {
L := matrix.FloatMatrixFromTable(lower5, matrix.RowOrder)
U := L.Transpose()
nb := 0
t.Logf("-- TRMV, LOWER --")
trmvTest(t, L, LOWER, nb)
t.Logf("-- TRMV, UPPER --")
trmvTest(t, U, UPPER, nb)
t.Logf("-- TRMV, LOWER, UNIT --")
trmvTest(t, L, LOWER|UNIT, nb)
t.Logf("-- TRMV, UPPER, UNIT --")
trmvTest(t, U, UPPER|UNIT, nb)
t.Logf("-- TRMV, LOWER, TRANS --")
trmvTest(t, L, LOWER|TRANS, nb)
t.Logf("-- TRMV, UPPER, TRANS --")
trmvTest(t, U, UPPER|TRANS, nb)
t.Logf("-- TRMV, LOWER, TRANS, UNIT --")
trmvTest(t, L, LOWER|UNIT|TRANS, nb)
t.Logf("-- TRMV, UPPER, TRANS, UNIT --")
trmvTest(t, U, UPPER|UNIT|TRANS, nb)
}
func _TestViewUpdate(t *testing.T) {
Adata2 := [][]float64{
[]float64{4.0, 2.0, 2.0},
[]float64{6.0, 4.0, 2.0},
[]float64{4.0, 6.0, 1.0},
}
A := matrix.FloatMatrixFromTable(Adata2, matrix.RowOrder)
N := A.Rows()
// simple LU decomposition without pivoting
var A11, a10, a01, a00 matrix.FloatMatrix
for k := 1; k < N; k++ {
a00.SubMatrixOf(A, k-1, k-1, 1, 1)
a01.SubMatrixOf(A, k-1, k, 1, A.Cols()-k)
a10.SubMatrixOf(A, k, k-1, A.Rows()-k, 1)
A11.SubMatrixOf(A, k, k)
//t.Logf("A11: %v a01: %v\n", A11, a01)
a10.Scale(1.0 / a00.Float())
MVRankUpdate(&A11, &a10, &a01, -1.0)
}
Ld := TriLU(A.Copy())
Ud := TriU(A)
t.Logf("Ld:\n%v\nUd:\n%v\n", Ld, Ud)
An := matrix.FloatZeros(N, N)
Mult(An, Ld, Ud, 1.0, 1.0, NOTRANS)
t.Logf("A == Ld*Ud: %v\n", An.AllClose(An))
}
func _TestLU3x3Piv(t *testing.T) {
Adata2 := [][]float64{
[]float64{3.0, 2.0, 2.0},
[]float64{6.0, 4.0, 1.0},
[]float64{4.0, 6.0, 3.0},
}
A := matrix.FloatMatrixFromTable(Adata2, matrix.RowOrder)
piv := make([]int, A.Rows())
piv0 := make([]int32, A.Rows())
A0 := A.Copy()
t.Logf("start A\n%v\n", A)
DecomposeBlockSize(0)
DecomposeLU(A, piv, 0)
Ld := TriLU(A.Copy())
Ud := TriU(A.Copy())
t.Logf("A\n%v\n", A)
t.Logf("Ld:\n%v\n", Ld)
t.Logf("Ud:\n%v\n", Ud)
t.Logf("piv: %v\n", piv)
t.Logf("result:\n%v\n", matrix.Times(Ld, Ud))
//t.Logf("A == L*U: %v\n", A0.AllClose(matrix.Times(Ld, Ud)))
lapack.Getrf(A0, piv0)
t.Logf("lapack result: piv0 %v\n%v\n", piv0, A0)
t.Logf("A == A0: %v\n", A0.AllClose(A))
}
func _TestSolveBlockedSmall(t *testing.T) {
L := matrix.FloatMatrixFromTable(lower5, matrix.RowOrder)
N := L.Rows()
nb := 4
U := L.Transpose()
X0 := matrix.FloatWithValue(L.Rows(), 1, 1.0)
X1 := X0.Copy()
xsum := 0.0
for i := 0; i < N; i++ {
xsum += float64(i)
X0.Add(xsum, i)
X1.Add(xsum, -(i + 1))
}
t.Logf("-- SOLVE LOWER, NON-UNIT ---\n")
solveMVTest(t, L, X0.Copy(), LOWER, N, nb)
t.Logf("-- SOLVE UPPER, NON-UNIT ---\n")
solveMVTest(t, U, X1.Copy(), UPPER, N, nb)
t.Logf("-- SOLVE LOWER, UNIT ---\n")
solveMVTest(t, L, X0.Copy(), LOWER|UNIT, N, nb)
t.Logf("-- SOLVE UPPER, UNIT ---\n")
solveMVTest(t, U, X1.Copy(), UPPER|UNIT, N, nb)
}
func _TestMultSymmLowerSmall(t *testing.T) {
//bM := 5
bN := 7
bP := 7
Adata := [][]float64{
[]float64{1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 0.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0}}
A := matrix.FloatMatrixFromTable(Adata, matrix.RowOrder)
B := matrix.FloatNormal(bN, bP)
C0 := matrix.FloatZeros(bN, bP)
C1 := matrix.FloatZeros(bN, bP)
Ar := A.FloatArray()
Br := B.FloatArray()
C1r := C1.FloatArray()
blas.SymmFloat(A, B, C0, 1.0, 1.0, linalg.OptLower, linalg.OptRight)
DMultSymm(C1r, Ar, Br, 1.0, 1.0, LOWER|RIGHT, bN, A.LeadingIndex(), bN,
bN, 0, bP, 0, bN, 2, 2, 2)
ok := C0.AllClose(C1)
t.Logf("C0 == C1: %v\n", ok)
if !ok {
t.Logf("A=\n%v\n", A)
t.Logf("blas: C=A*B\n%v\n", C0)
t.Logf("C1: C1 = A*X\n%v\n", C1)
}
}
func TestQRSmal(t *testing.T) {
data := [][]float64{
[]float64{12.0, -51.0, 4.0},
[]float64{6.0, 167.0, -68.0},
[]float64{-4.0, 24.0, -41.0}}
A := matrix.FloatMatrixFromTable(data, matrix.RowOrder)
T := matrix.FloatZeros(A.Cols(), A.Cols())
T0 := T.Copy()
M := A.Rows()
//N := A.Cols()
Tau := matrix.FloatZeros(M, 1)
X, _ := DecomposeQR(A.Copy(), Tau, nil, 0)
t.Logf("A\n%v\n", A)
t.Logf("X\n%v\n", X)
t.Logf("Tau\n%v\n", Tau)
Tau0 := matrix.FloatZeros(M, 1)
lapack.Geqrf(A, Tau0)
t.Logf("lapack X\n%v\n", A)
t.Logf("lapack Tau\n%v\n", Tau0)
unblkQRBlockReflector(X, Tau, T)
t.Logf("T:\n%v\n", T)
V := TriLU(X.Copy())
lapack.LarftFloat(V, Tau, T0)
t.Logf("T0:\n%v\n", T0)
}
func main() {
flag.Parse()
if len(spPath) > 0 {
checkpnt.Reset(spPath)
checkpnt.Activate()
checkpnt.Verbose(spVerbose)
checkpnt.Format("%.17f")
}
adata := [][]float64{
[]float64{0.3, -0.4, -0.2, -0.4, 1.3},
[]float64{0.6, 1.2, -1.7, 0.3, -0.3},
[]float64{-0.3, 0.0, 0.6, -1.2, -2.0}}
A := matrix.FloatMatrixFromTable(adata, matrix.ColumnOrder)
b := matrix.FloatVector([]float64{1.5, 0.0, -1.2, -0.7, 0.0})
_, n := A.Size()
N := n + 1 + n
h := matrix.FloatZeros(N, 1)
h.SetIndex(n, 1.0)
I0 := matrix.FloatDiagonal(n, -1.0)
I1 := matrix.FloatIdentity(n)
G, _ := matrix.FloatMatrixStacked(matrix.StackDown, I0, matrix.FloatZeros(1, n), I1)
At := A.Transpose()
P := At.Times(A)
q := At.Times(b).Scale(-1.0)
dims := sets.NewDimensionSet("l", "q", "s")
dims.Set("l", []int{n})
dims.Set("q", []int{n + 1})
var solopts cvx.SolverOptions
solopts.MaxIter = 20
solopts.ShowProgress = true
if maxIter > 0 {
solopts.MaxIter = maxIter
}
if len(solver) > 0 {
solopts.KKTSolverName = solver
}
sol, err := cvx.ConeQp(P, q, G, h, nil, nil, dims, &solopts, nil)
if err == nil {
x := sol.Result.At("x")[0]
s := sol.Result.At("s")[0]
z := sol.Result.At("z")[0]
fmt.Printf("Optimal\n")
fmt.Printf("x=\n%v\n", x.ToString("%.9f"))
fmt.Printf("s=\n%v\n", s.ToString("%.9f"))
fmt.Printf("z=\n%v\n", z.ToString("%.9f"))
check(x, s, z)
}
}
func _TestBKSolve(t *testing.T) {
Ldata := [][]float64{
[]float64{1.0, 2.0, 3.0, 4.0},
[]float64{2.0, 2.0, 3.0, 4.0},
[]float64{3.0, 3.0, 3.0, 4.0},
[]float64{4.0, 4.0, 4.0, 4.0}}
Xdata := [][]float64{
[]float64{1.0, 2.0},
[]float64{1.0, 2.0},
[]float64{1.0, 2.0},
[]float64{1.0, 2.0}}
A := matrix.FloatMatrixFromTable(Ldata, matrix.RowOrder)
X := matrix.FloatMatrixFromTable(Xdata, matrix.RowOrder)
N := A.Rows()
B := matrix.FloatZeros(N, 2)
Mult(B, A, X, 1.0, 0.0, NOTRANS)
S := matrix.FloatZeros(N, 2)
MultSym(S, A, X, 1.0, 0.0, LOWER|LEFT)
t.Logf("B:\n%v\n", B)
t.Logf("S:\n%v\n", S)
//N := 8
//A := matrix.FloatUniformSymmetric(N)
nb := 0
W := matrix.FloatWithValue(A.Rows(), 5, 0.0)
ipiv := make([]int, N, N)
L, _ := DecomposeBK(A.Copy(), W, ipiv, LOWER, nb)
t.Logf("ipiv: %v\n", ipiv)
t.Logf("L:\n%v\n", L)
B0 := B.Copy()
SolveBK(B0, L, ipiv, LOWER)
t.Logf("B0:\n%v\n", B0)
ipiv2 := make([]int32, N, N)
lapack.Sytrf(A, ipiv2, linalg.OptLower)
t.Logf("ipiv2: %v\n", ipiv2)
t.Logf("lapack A:\n%v\n", A)
lapack.Sytrs(A, B, ipiv2, linalg.OptLower)
t.Logf("lapack B:\n%v\n", B)
}
func _TestTrmmBlkSmall(t *testing.T) {
//bN := 7
Udata := [][]float64{
[]float64{1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0},
[]float64{0.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0},
[]float64{0.0, 0.0, 3.0, 3.0, 3.0, 3.0, 3.0},
[]float64{0.0, 0.0, 0.0, 4.0, 4.0, 4.0, 4.0},
[]float64{0.0, 0.0, 0.0, 0.0, 5.0, 5.0, 5.0},
[]float64{0.0, 0.0, 0.0, 0.0, 0.0, 6.0, 6.0},
[]float64{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 7.0}}
U := matrix.FloatMatrixFromTable(Udata, matrix.RowOrder)
_ = U
Ldata := [][]float64{
[]float64{1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 0.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 0.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 0.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 0.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 0.0},
[]float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0}}
L := matrix.FloatMatrixFromTable(Ldata, matrix.RowOrder)
_ = L
t.Logf("-- TRMM-UPPER, NON-UNIT ---")
fail(t, trmmTest(t, U, UPPER, 2))
t.Logf("-- TRMM-UPPER, NON-UNIT, TRANSA ---")
fail(t, trmmTest(t, U, UPPER|TRANSA, 2))
t.Logf("-- TRMM-LOWER, NON-UNIT ---")
fail(t, trmmTest(t, L, LOWER, 2))
t.Logf("-- TRMM-LOWER, NON-UNIT, TRANSA ---")
fail(t, trmmTest(t, L, LOWER|TRANSA, 2))
t.Logf("-- TRMM-UPPER, RIGHT, NON-UNIT ---")
fail(t, trmmTest(t, U, UPPER|RIGHT, 2))
t.Logf("-- TRMM-UPPER, RIGHT, NON-UNIT, TRANSA ---")
fail(t, trmmTest(t, U, UPPER|RIGHT|TRANSA, 2))
t.Logf("-- TRMM-LOWER, RIGHT, NON-UNIT ---")
fail(t, trmmTest(t, U, LOWER|RIGHT, 2))
t.Logf("-- TRMM-LOWER, RIGHT, NON-UNIT, TRANSA ---")
fail(t, trmmTest(t, U, LOWER|RIGHT|TRANSA, 2))
}
func main() {
flag.Parse()
if len(spPath) > 0 {
checkpnt.Reset(spPath)
checkpnt.Activate()
checkpnt.Verbose(spVerbose)
checkpnt.Format("%.17f")
}
gdata := [][]float64{
[]float64{16., 7., 24., -8., 8., -1., 0., -1., 0., 0., 7.,
-5., 1., -5., 1., -7., 1., -7., -4.},
[]float64{-14., 2., 7., -13., -18., 3., 0., 0., -1., 0., 3.,
13., -6., 13., 12., -10., -6., -10., -28.},
[]float64{5., 0., -15., 12., -6., 17., 0., 0., 0., -1., 9.,
6., -6., 6., -7., -7., -6., -7., -11.}}
hdata := []float64{-3., 5., 12., -2., -14., -13., 10., 0., 0., 0., 68.,
-30., -19., -30., 99., 23., -19., 23., 10.}
c := matrix.FloatVector([]float64{-6., -4., -5.})
G := matrix.FloatMatrixFromTable(gdata)
h := matrix.FloatVector(hdata)
dims := sets.NewDimensionSet("l", "q", "s")
dims.Set("l", []int{2})
dims.Set("q", []int{4, 4})
dims.Set("s", []int{3})
var solopts cvx.SolverOptions
solopts.MaxIter = 30
solopts.ShowProgress = true
if maxIter > 0 {
solopts.MaxIter = maxIter
}
if len(solver) > 0 {
solopts.KKTSolverName = solver
}
sol, err := cvx.ConeLp(c, G, h, nil, nil, dims, &solopts, nil, nil)
if err == nil {
x := sol.Result.At("x")[0]
s := sol.Result.At("s")[0]
z := sol.Result.At("z")[0]
fmt.Printf("Optimal\n")
fmt.Printf("x=\n%v\n", x.ToString("%.9f"))
fmt.Printf("s=\n%v\n", s.ToString("%.9f"))
fmt.Printf("z=\n%v\n", z.ToString("%.9f"))
check(x, s, z)
} else {
fmt.Printf("status: %s\n", err)
}
}
func main() {
flag.Parse()
aflr := 1000.0
awall := 100.0
alpha := 0.5
beta := 2.0
gamma := 0.5
delta := 2.0
fdata := [][]float64{
[]float64{-1.0, 1.0, 1.0, 0.0, -1.0, 1.0, 0.0, 0.0},
[]float64{-1.0, 1.0, 0.0, 1.0, 1.0, -1.0, 1.0, -1.0},
[]float64{-1.0, 0.0, 1.0, 1.0, 0.0, 0.0, -1.0, 1.0}}
gdata := []float64{1.0, 2.0 / awall, 2.0 / awall, 1.0 / aflr, alpha, 1.0 / beta, gamma, 1.0 / delta}
g := matrix.FloatNew(8, 1, gdata).Log()
F := matrix.FloatMatrixFromTable(fdata)
K := []int{1, 2, 1, 1, 1, 1, 1}
var solopts cvx.SolverOptions
solopts.MaxIter = 40
if maxIter > 0 {
solopts.MaxIter = maxIter
}
if len(spPath) > 0 {
checkpnt.Reset(spPath)
checkpnt.Activate()
checkpnt.Verbose(spVerbose)
checkpnt.Format("%.7f")
}
solopts.ShowProgress = true
if maxIter > 0 {
solopts.MaxIter = maxIter
}
if len(solver) > 0 {
solopts.KKTSolverName = solver
}
sol, err := cvx.Gp(K, F, g, nil, nil, nil, nil, &solopts)
if sol != nil && sol.Status == cvx.Optimal {
x := sol.Result.At("x")[0]
r := matrix.Exp(x)
h := r.GetIndex(0)
w := r.GetIndex(1)
d := r.GetIndex(2)
fmt.Printf("x=\n%v\n", x.ToString("%.9f"))
fmt.Printf("\n h = %f, w = %f, d = %f.\n", h, w, d)
check(x)
} else {
fmt.Printf("status: %v\n", err)
}
}
func _TestLU2x2NoPiv(t *testing.T) {
Adata2 := [][]float64{
[]float64{4.0, 3.0},
[]float64{6.0, 3.0}}
A := matrix.FloatMatrixFromTable(Adata2, matrix.RowOrder)
DecomposeBlockSize(0)
DecomposeLUnoPiv(A, 0)
t.Logf("A\n%v\n", A)
Ld := TriLU(A.Copy())
Ud := TriU(A)
t.Logf("L*U\n%v\n", matrix.Times(Ld, Ud))
}
func _TestCHOL3x3(t *testing.T) {
Ldata2 := [][]float64{
[]float64{3.0, 0.0, 0.0},
[]float64{6.0, 4.0, 0.0},
[]float64{4.0, 6.0, 3.0},
}
L := matrix.FloatMatrixFromTable(Ldata2, matrix.RowOrder)
A := matrix.Times(L, L.Transpose())
DecomposeBlockSize(0)
DecomposeCHOL(A, LOWER, 0)
Ld := TriL(A.Copy())
t.Logf("Ld:\n%v\n", Ld)
t.Logf("result L == Ld: %v\n", L.AllClose(Ld))
}
func _TestBK2U(t *testing.T) {
Bdata := [][]float64{
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0},
[]float64{10.0, 20.0}}
N := 7
A0 := matrix.FloatNormal(N, N)
A := matrix.FloatZeros(N, N)
// A is symmetric, posivite definite
Mult(A, A0, A0, 1.0, 1.0, TRANSB)
X := matrix.FloatMatrixFromTable(Bdata, matrix.RowOrder)
B := matrix.FloatZeros(N, 2)
MultSym(B, A, X, 1.0, 0.0, LOWER|LEFT)
t.Logf("initial B:\n%v\n", B)
nb := 0
W := matrix.FloatWithValue(A.Rows(), 5, 1.0)
A.SetAt(4, 1, A.GetAt(4, 1)+1.0)
A.SetAt(1, 4, A.GetAt(4, 1))
ipiv := make([]int, N, N)
L, _ := DecomposeBK(A.Copy(), W, ipiv, LOWER, nb)
t.Logf("ipiv: %v\n", ipiv)
t.Logf("L:\n%v\n", L)
ipiv0 := make([]int, N, N)
nb = 4
L0, _ := DecomposeBK(A.Copy(), W, ipiv0, LOWER, nb)
t.Logf("ipiv: %v\n", ipiv0)
t.Logf("L:\n%v\n", L0)
B0 := B.Copy()
SolveBK(B0, L0, ipiv0, LOWER)
t.Logf("B0:\n%v\n", B0)
ipiv2 := make([]int32, N, N)
lapack.Sytrf(A, ipiv2, linalg.OptLower)
t.Logf("ipiv2: %v\n", ipiv2)
t.Logf("lapack A:\n%v\n", A)
lapack.Sytrs(A, B, ipiv2, linalg.OptLower)
t.Logf("lapack B:\n%v\n", B)
t.Logf("B == B0: %v\n", B.AllClose(B0))
}
func TestAcent(t *testing.T) {
// matrix string in row order presentation
Adata := [][]float64{
[]float64{-7.44e-01, 1.11e-01, 1.29e+00, 2.62e+00, -1.82e+00},
[]float64{4.59e-01, 7.06e-01, 3.16e-01, -1.06e-01, 7.80e-01},
[]float64{-2.95e-02, -2.22e-01, -2.07e-01, -9.11e-01, -3.92e-01},
[]float64{-7.75e-01, 1.03e-01, -1.22e+00, -5.74e-01, -3.32e-01},
[]float64{-1.80e+00, 1.24e+00, -2.61e+00, -9.31e-01, -6.38e-01}}
bdata := []float64{
8.38e-01, 9.92e-01, 9.56e-01, 6.14e-01, 6.56e-01,
3.57e-01, 6.36e-01, 5.08e-01, 8.81e-03, 7.08e-02}
// these are solution obtained from running cvxopt acent.py with above data
solData := []float64{-11.59728373909344512, -1.35196389161339936,
7.21894899350256303, -3.29159917142051528, 4.90454147385329176}
ntData := []float64{
1.5163484265903457, 1.2433928210771914, 1.0562922103520955, 0.8816246051011607,
0.7271128861543598, 0.42725003346248974, 0.0816777301914883, 0.0005458037072843131,
1.6259980735305693e-10}
b := matrix.FloatVector(bdata)
Al := matrix.FloatMatrixFromTable(Adata, matrix.RowOrder)
Au := matrix.Scale(Al, -1.0)
A := matrix.FloatZeros(2*Al.Rows(), Al.Cols())
A.SetSubMatrix(0, 0, Al)
A.SetSubMatrix(Al.Rows(), 0, Au)
x, nt, err := acent(A, b, 10)
if err != nil {
t.Logf("Acent error: %s", err)
t.Fail()
}
solref := matrix.FloatVector(solData)
ntref := matrix.FloatVector(ntData)
soldf := matrix.Minus(x, solref)
ntdf := matrix.Minus(matrix.FloatVector(nt), ntref)
solNrm := blas.Nrm2Float(soldf)
ntNrm := blas.Nrm2Float(ntdf)
t.Logf("x [diff=%.2e]:\n%v\n", solNrm, x)
t.Logf("nt [diff=%.2e]:\n%v\n", ntNrm, nt)
if solNrm > TOL {
t.Log("solution deviates too much from expected\n")
t.Fail()
}
}
func _TestLU3x3NoPiv(t *testing.T) {
Adata2 := [][]float64{
[]float64{4.0, 2.0, 2.0},
[]float64{6.0, 4.0, 2.0},
[]float64{4.0, 6.0, 1.0},
}
A := matrix.FloatMatrixFromTable(Adata2, matrix.RowOrder)
A0 := A.Copy()
DecomposeBlockSize(0)
DecomposeLUnoPiv(A, 0)
t.Logf("A\n%v\n", A)
Ld := TriLU(A.Copy())
Ud := TriU(A.Copy())
t.Logf("A == L*U: %v\n", A0.AllClose(matrix.Times(Ld, Ud)))
}
// The small GP of section 9.3 (Geometric programming).
func TestGp(t *testing.T) {
xref := []float64{1.06032641296944741, 1.75347359157296845, 2.44603683900611868}
aflr := 1000.0
awall := 100.0
alpha := 0.5
beta := 2.0
gamma := 0.5
delta := 2.0
fdata := [][]float64{
[]float64{-1.0, 1.0, 1.0, 0.0, -1.0, 1.0, 0.0, 0.0},
[]float64{-1.0, 1.0, 0.0, 1.0, 1.0, -1.0, 1.0, -1.0},
[]float64{-1.0, 0.0, 1.0, 1.0, 0.0, 0.0, -1.0, 1.0}}
gdata := []float64{1.0, 2.0 / awall, 2.0 / awall, 1.0 / aflr, alpha, 1.0 / beta, gamma, 1.0 / delta}
g := matrix.FloatNew(8, 1, gdata).Log()
F := matrix.FloatMatrixFromTable(fdata)
K := []int{1, 2, 1, 1, 1, 1, 1}
var solopts SolverOptions
solopts.MaxIter = 40
solopts.ShowProgress = false
solopts.KKTSolverName = "ldl"
sol, err := Gp(K, F, g, nil, nil, nil, nil, &solopts)
if sol != nil && sol.Status == Optimal {
x := sol.Result.At("x")[0]
r := matrix.Exp(x)
h := r.GetIndex(0)
w := r.GetIndex(1)
d := r.GetIndex(2)
t.Logf("x=\n%v\n", x.ToString("%.9f"))
t.Logf("h = %f, w = %f, d = %f.\n", h, w, d)
xe, _ := nrmError(matrix.FloatVector(xref), x)
if xe > TOL {
t.Logf("x differs [%.3e] from exepted too much.", xe)
t.Fail()
}
} else {
t.Logf("status: %v\n", err)
t.Fail()
}
}
func _TestUpdate(t *testing.T) {
Tdata := [][]float64{
[]float64{1.37e+00, 3.77e-01},
[]float64{0.00e+00, 1.39e+00}}
C1data := [][]float64{
[]float64{2.54e-01, 9.77e-01, 8.01e-01, 9.08e-02},
[]float64{2.82e-01, 7.43e-02, 7.30e-01, 4.93e-01}}
C2data := [][]float64{
[]float64{7.89e-01, 2.22e-01, 1.83e-01, 9.27e-01},
[]float64{3.62e-01, 6.81e-01, 4.28e-01, 9.55e-01},
[]float64{8.81e-01, 2.42e-01, 8.97e-01, 3.48e-01},
[]float64{2.97e-01, 3.12e-01, 6.83e-01, 6.91e-01},
[]float64{8.94e-01, 9.33e-01, 9.79e-01, 7.11e-01},
[]float64{9.75e-02, 7.42e-01, 9.22e-01, 5.64e-01}}
Y1data := [][]float64{
[]float64{-1.41e+00, -1.11e+00},
[]float64{1.46e-02, -7.04e-01}}
Y2data := [][]float64{
[]float64{8.19e-02, 2.62e-02},
[]float64{3.14e-01, -2.57e-02},
[]float64{5.05e-01, -3.73e-01},
[]float64{4.11e-02, 2.09e-01},
[]float64{3.08e-01, -1.34e-01},
[]float64{3.06e-02, 4.86e-01}}
Wdata := [][]float64{
[]float64{1.62e+00, 3.81e-01},
[]float64{2.28e+00, 1.01e+00},
[]float64{2.42e+00, 1.84e+00},
[]float64{1.24e+00, 1.30e+00}}
T := matrix.FloatMatrixFromTable(Tdata, matrix.RowOrder)
C1 := matrix.FloatMatrixFromTable(C1data, matrix.RowOrder)
Y1 := matrix.FloatMatrixFromTable(Y1data, matrix.RowOrder)
C2 := matrix.FloatMatrixFromTable(C2data, matrix.RowOrder)
Y2 := matrix.FloatMatrixFromTable(Y2data, matrix.RowOrder)
W := matrix.FloatMatrixFromTable(Wdata, matrix.RowOrder)
_, _, _ = C2, Y2, W
_, _, _ = T, C1, Y1
C1b := C1.Copy()
C2b := C2.Copy()
update(t, Y1, Y2, C1, C2, T, W)
t.Logf("C1:\n%v\n", C1)
updateBlas(t, Y1, Y2, C1b, C2b, T, W)
t.Logf("C1b:\n%v\n", C1b)
}
func main() {
flag.Parse()
if len(spPath) > 0 {
checkpnt.Reset(spPath)
checkpnt.Activate()
checkpnt.Verbose(spVerbose)
checkpnt.Format("%.17f")
}
gdata := [][]float64{
[]float64{2.0, 1.0, -1.0, 0.0},
[]float64{1.0, 2.0, 0.0, -1.0}}
c := matrix.FloatVector([]float64{-4.0, -5.0})
G := matrix.FloatMatrixFromTable(gdata, matrix.ColumnOrder)
h := matrix.FloatVector([]float64{3.0, 3.0, 0.0, 0.0})
var solopts cvx.SolverOptions
solopts.MaxIter = 30
solopts.ShowProgress = true
if maxIter > -1 {
solopts.MaxIter = maxIter
}
if len(solver) > 0 {
solopts.KKTSolverName = solver
}
sol, err := cvx.Lp(c, G, h, nil, nil, &solopts, nil, nil)
if sol != nil && sol.Status == cvx.Optimal {
x := sol.Result.At("x")[0]
s := sol.Result.At("s")[0]
z := sol.Result.At("z")[0]
fmt.Printf("x=\n%v\n", x.ToString("%.9f"))
fmt.Printf("s=\n%v\n", s.ToString("%.9f"))
fmt.Printf("z=\n%v\n", z.ToString("%.9f"))
check(x, s, z)
} else {
fmt.Printf("status: %v\n", err)
}
}
func acenter() *matrix.FloatMatrix {
F := &acenterProg{3, 1}
gdata := [][]float64{
[]float64{0., -1., 0., 0., -21., -11., 0., -11., 10., 8., 0., 8., 5.},
[]float64{0., 0., -1., 0., 0., 10., 16., 10., -10., -10., 16., -10., 3.},
[]float64{0., 0., 0., -1., -5., 2., -17., 2., -6., 8., -17., -7., 6.}}
G := matrix.FloatMatrixFromTable(gdata)
h := matrix.FloatVector(
[]float64{1.0, 0.0, 0.0, 0.0, 20., 10., 40., 10., 80., 10., 40., 10., 15.})
var solopts cvx.SolverOptions
solopts.MaxIter = 40
solopts.ShowProgress = true
if maxIter > -1 {
solopts.MaxIter = maxIter
}
if len(solver) > 0 {
solopts.KKTSolverName = solver
}
dims := sets.NewDimensionSet("l", "q", "s")
dims.Set("l", []int{0})
dims.Set("q", []int{4})
dims.Set("s", []int{3})
var err error
var sol *cvx.Solution
sol, err = cvx.Cp(F, G, h, nil, nil, dims, &solopts)
if err == nil && sol.Status == cvx.Optimal {
return sol.Result.At("x")[0]
} else {
fmt.Printf("result: %v\n", err)
}
return nil
}
// The analytic centering with cone constraints example of section 9.1
// (Problems with nonlinear objectives).
func TestCp(t *testing.T) {
xref := []float64{0.41132359189354400, 0.55884774432611484, -0.72007090016957931}
F := &acenterProg{3, 1}
gdata := [][]float64{
[]float64{0., -1., 0., 0., -21., -11., 0., -11., 10., 8., 0., 8., 5.},
[]float64{0., 0., -1., 0., 0., 10., 16., 10., -10., -10., 16., -10., 3.},
[]float64{0., 0., 0., -1., -5., 2., -17., 2., -6., 8., -17., -7., 6.}}
G := matrix.FloatMatrixFromTable(gdata)
h := matrix.FloatVector(
[]float64{1.0, 0.0, 0.0, 0.0, 20., 10., 40., 10., 80., 10., 40., 10., 15.})
var solopts SolverOptions
solopts.MaxIter = 40
solopts.ShowProgress = false
dims := sets.NewDimensionSet("l", "q", "s")
dims.Set("l", []int{0})
dims.Set("q", []int{4})
dims.Set("s", []int{3})
sol, err := Cp(F, G, h, nil, nil, dims, &solopts)
if err == nil && sol.Status == Optimal {
x := sol.Result.At("x")[0]
t.Logf("x = \n%v\n", x.ToString("%.9f"))
xe, _ := nrmError(matrix.FloatVector(xref), x)
if xe > TOL {
t.Logf("x differs [%.3e] from exepted too much.", xe)
t.Fail()
}
} else {
t.Logf("result: %v\n", err)
t.Fail()
}
}
func main() {
Sdata := [][]float64{
[]float64{4e-2, 6e-3, -4e-3, 0.0},
[]float64{6e-3, 1e-2, 0.0, 0.0},
[]float64{-4e-3, 0.0, 2.5e-3, 0.0},
[]float64{0.0, 0.0, 0.0, 0.0}}
pbar := matrix.FloatVector([]float64{.12, .10, .07, .03})
S := matrix.FloatMatrixFromTable(Sdata)
n := pbar.Rows()
G := matrix.FloatDiagonal(n, -1.0)
h := matrix.FloatZeros(n, 1)
A := matrix.FloatWithValue(1, n, 1.0)
b := matrix.FloatNew(1, 1, []float64{1.0})
var solopts cvx.SolverOptions
solopts.MaxIter = 30
solopts.ShowProgress = true
mu := 1.0
Smu := matrix.Scale(S, mu)
pbarNeg := matrix.Scale(pbar, -1.0)
fmt.Printf("Smu=\n%v\n", Smu.String())
fmt.Printf("-pbar=\n%v\n", pbarNeg.String())
sol, err := cvx.Qp(Smu, pbarNeg, G, h, A, b, &solopts, nil)
fmt.Printf("status: %v\n", err)
if sol != nil && sol.Status == cvx.Optimal {
x := sol.Result.At("x")[0]
ret := blas.DotFloat(x, pbar)
risk := math.Sqrt(blas.DotFloat(x, S.Times(x)))
fmt.Printf("ret=%.3f, risk=%.3f\n", ret, risk)
fmt.Printf("x=\n%v\n", x)
}
}
func _TestBlkQRUT(t *testing.T) {
data := [][]float64{
[]float64{12.0, -51.0, 4.0},
[]float64{6.0, 167.0, -68.0},
[]float64{-4.0, 24.0, -41.0}}
A := matrix.FloatMatrixFromTable(data, matrix.RowOrder)
M := A.Rows()
N := A.Cols()
var d matrix.FloatMatrix
//nb := 0
T := matrix.FloatZeros(N, N)
Q := matrix.FloatZeros(M, M)
X, _ := DecomposeQRUT(A.Copy(), T)
t.Logf("A\n%v\n", A)
Y := TriLU(X.Copy())
R := TriU(X.Copy())
t.Logf("R\n%v\n", R)
t.Logf("Y\n%v\n", Y)
t.Logf("T\n%v\n", T)
_ = Q
_ = d
}
func TestMultMVTransASmall(t *testing.T) {
data6 := [][]float64{
[]float64{-1.59e+00, 6.56e-02, 2.14e-01, 6.79e-01, 2.93e-01, 5.24e-01},
[]float64{4.28e-01, 1.57e-01, 3.81e-01, 2.19e-01, 2.97e-01, 2.83e-02},
[]float64{3.02e-01, 9.70e-02, 3.18e-01, 2.03e-01, 7.53e-01, 1.58e-01},
[]float64{1.99e-01, 3.01e-01, 4.69e-01, 3.61e-01, 2.07e-01, 6.07e-01},
[]float64{1.93e-01, 5.15e-01, 2.83e-01, 5.71e-01, 8.65e-01, 9.75e-01},
[]float64{3.13e-01, 8.14e-01, 2.93e-01, 8.62e-01, 6.97e-01, 7.95e-02}}
data5 := [][]float64{
[]float64{1.57e-01, 3.81e-01, 2.19e-01, 2.97e-01, 2.83e-02},
[]float64{9.70e-02, 3.18e-01, 2.03e-01, 7.53e-01, 1.58e-01},
[]float64{3.01e-01, 4.69e-01, 3.61e-01, 2.07e-01, 6.07e-01},
[]float64{5.15e-01, 2.83e-01, 5.71e-01, 8.65e-01, 9.75e-01},
[]float64{8.14e-01, 2.93e-01, 8.62e-01, 6.97e-01, 7.95e-02}}
data2 := []float64{4.28e-01, 3.02e-01, 1.99e-01, 1.93e-01, 3.13e-01}
bM := 5
bN := 4
nb := 2
//A := matrix.FloatNormal(bN, bM)
//X := matrix.FloatWithValue(bN, 1, 1.0)
A := matrix.FloatMatrixFromTable(data5, matrix.RowOrder)
X := matrix.FloatNew(5, 1, data2)
bM = A.Rows()
bN = A.Cols()
Ym := matrix.FloatZeros(3, bM)
Y1 := matrix.FloatZeros(bM, 1)
Y0 := matrix.FloatZeros(bM, 1)
Ar := A.FloatArray()
Xr := X.FloatArray()
Y1r := Y1.FloatArray()
blas.GemvFloat(A, X, Y0, 1.0, 1.0, linalg.OptTrans)
DMultMV(Y1r, Ar, Xr, 1.0, 1.0, TRANSA, 1, A.LeadingIndex(), 1, 0, bN, 0, bM, nb, nb)
ok := Y0.AllClose(Y1)
t.Logf("Y0 == Y1: %v\n", ok)
if ok || !ok {
t.Logf("blas: Y=A.T*X\n%v\n", Y0)
t.Logf("Y1: Y1 = A*X\n%v\n", Y1)
}
// zero Y0, Y1
Y0.Scale(0.0)
Y1.Scale(0.0)
// test with matrix view; A is view
var A0 matrix.FloatMatrix
A6 := matrix.FloatMatrixFromTable(data6, matrix.RowOrder)
A0.SubMatrixOf(A6, 1, 1)
blas.GemvFloat(&A0, X, Y0, 1.0, 1.0, linalg.OptTrans)
Ar = A0.FloatArray()
DMultMV(Y1r, Ar, Xr, 1.0, 1.0, TRANSA, 1, A0.LeadingIndex(), 1, 0, bN, 0, bM, nb, nb)
ok = Y0.AllClose(Y1)
t.Logf("lda>rows: Y0 == Y1: %v\n", ok)
if ok || !ok {
t.Logf("blas: Y=A.T*X\n%v\n", Y0)
t.Logf("Y1: Y1 = A*X\n%v\n", Y1)
}
// Y is view too.
Y1.SubMatrixOf(Ym, 0, 0, 1, bM)
Y1r = Y1.FloatArray()
DMultMV(Y1r, Ar, Xr, 1.0, 1.0, TRANSA, Y1.LeadingIndex(), A0.LeadingIndex(), 1, 0, bN, 0, bM, nb, nb)
ok = Y0.AllClose(Y1.Transpose())
t.Logf("Y0 == Y1 row: %v\n", ok)
t.Logf("row Y1: %v\n", Y1)
}