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Golang chk.Scalar函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/cpmech/gosl/chk.Scalar函数的典型用法代码示例。如果您正苦于以下问题：Golang Scalar函数的具体用法？Golang Scalar怎么用？Golang Scalar使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了Scalar函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: Test_2dinteg02

func Test_2dinteg02(tst *testing.T) {

	//verbose()
	chk.PrintTitle("2dinteg02. bidimensional integral")

	// Γ(1/4, 1)
	gamma_1div4_1 := 0.2462555291934987088744974330686081384629028737277219

	x := utl.LinSpace(0, 1, 11)
	y := utl.LinSpace(0, 1, 11)
	m, n := len(x), len(y)
	f := la.MatAlloc(m, n)
	for i := 0; i < m; i++ {
		for j := 0; j < n; j++ {
			f[i][j] = 8.0 * math.Exp(-math.Pow(x[i], 2)-math.Pow(y[j], 4))
		}
	}
	dx, dy := x[1]-x[0], y[1]-y[0]
	Vt := Trapz2D(dx, dy, f)
	Vs := Simps2D(dx, dy, f)
	Vc := math.Sqrt(math.Pi) * math.Erf(1) * (math.Gamma(1.0/4.0) - gamma_1div4_1)
	io.Pforan("Vt = %v\n", Vt)
	io.Pforan("Vs = %v\n", Vs)
	io.Pfgreen("Vc = %v\n", Vc)
	chk.Scalar(tst, "Vt", 0.0114830435645548, Vt, Vc)
	chk.Scalar(tst, "Vs", 1e-4, Vs, Vc)

}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:28，代码来源:t_integ_test.go


示例2: Test_munkres04

func Test_munkres04(tst *testing.T) {

	//verbose()
	chk.PrintTitle("munkres04. row and column matrices")

	C := [][]float64{
		{1.0},
		{2.0},
		{0.5},
		{3.0},
		{4.0},
	}

	var mnk Munkres
	mnk.Init(len(C), len(C[0]))
	mnk.SetCostMatrix(C)
	mnk.Run()
	io.Pforan("links = %v\n", mnk.Links)
	io.Pforan("cost = %v  (13938)\n", mnk.Cost)
	chk.Ints(tst, "links", mnk.Links, []int{-1, -1, 0, -1, -1})
	chk.Scalar(tst, "cost", 1e-17, mnk.Cost, 0.5)

	C = [][]float64{
		{1.0, 2.0, 0.5, 3.0, 4.0},
	}
	mnk.Init(len(C), len(C[0]))
	mnk.SetCostMatrix(C)
	mnk.Run()
	io.Pforan("links = %v\n", mnk.Links)
	io.Pforan("cost = %v  (13938)\n", mnk.Cost)
	chk.Ints(tst, "links", mnk.Links, []int{2})
	chk.Scalar(tst, "cost", 1e-17, mnk.Cost, 0.5)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:33，代码来源:t_munkres_test.go


示例3: Test_quad01

func Test_quad01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("quad01")

	y := func(x float64) float64 {
		return math.Sqrt(1.0 + math.Pow(math.Sin(x), 3.0))
	}
	var err error
	Acor := 1.08268158558

	// trapezoidal rule
	var T Quadrature
	T = new(Trap)
	T.Init(y, 0, 1, 1e-11)
	A, err := T.Integrate()
	if err != nil {
		io.Pforan(err.Error())
	}
	io.Pforan("A  = %v\n", A)
	chk.Scalar(tst, "A", 1e-11, A, Acor)

	// Simpson's rule
	var S Quadrature
	S = new(Simp)
	S.Init(y, 0, 1, 1e-11)
	A, err = S.Integrate()
	if err != nil {
		io.Pforan(err.Error())
	}
	io.Pforan("A  = %v\n", A)
	chk.Scalar(tst, "A", 1e-11, A, Acor)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:33，代码来源:t_quadrature_test.go


示例4: Test_mylab08

func Test_mylab08(tst *testing.T) {

	//verbose()
	chk.PrintTitle("mylab08. dot and cross products")

	u := []float64{3, -3, 1}
	v := []float64{4, 9, 2}
	w := make([]float64, 3)
	s := Dot3d(u, v)
	Cross3d(w, u, v) // w := u cross v
	chk.Scalar(tst, "s = u dot v", 1e-17, s, -13)
	chk.Vector(tst, "w = u cross v", 1e-17, w, []float64{-15, -2, 39})

	u = []float64{3, -3, 1}
	v = []float64{-12, 12, -4}
	s = Dot3d(u, v)
	Cross3d(w, u, v) // w := u cross v
	chk.Scalar(tst, "s = u dot v", 1e-17, s, -76)
	chk.Vector(tst, "w = u cross v", 1e-17, w, []float64{0, 0, 0})

	u = []float64{3, 2, -2}
	v = []float64{1, 0, -5}
	s = Dot3d(u, v)
	Cross3d(w, u, v) // w := u cross v
	chk.Scalar(tst, "s = u dot v", 1e-17, s, 13)
	chk.Vector(tst, "w = u cross v", 1e-17, w, []float64{-10, 13, -2})
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:27，代码来源:t_mylab_test.go


示例5: Test_invs07

func Test_invs07(tst *testing.T) {

	//verbose()
	chk.PrintTitle("invs07")

	smp_a, smp_b, smp_β, smp_ϵ := -1.0, 0.0, 1.0, 1e-3

	σ := []float64{-1, -1, 0, 0}

	pcam, qcam, _ := M_pqw(σ)
	poct, qoct := pcam*SQ3, qcam*SQ2by3

	N := make([]float64, 3)
	n := make([]float64, 3)
	m := SmpDirector(N, σ, smp_a, smp_b, smp_β, smp_ϵ)
	SmpUnitDirector(n, m, N)
	psmp1, qsmp1, err := GenInvs(σ, n, smp_a)
	if err != nil {
		chk.Panic("M_GenInvs failed:\n%v", err)
	}

	psmp2, qsmp2, err := M_pq_smp(σ, smp_a, smp_b, smp_β, smp_ϵ)
	if err != nil {
		chk.Panic("M_pq_smp failed:\n%v", err)
	}
	io.Pforan("pcam,  qcam  = %v, %v\n", pcam, qcam)
	io.Pforan("poct,  qoct  = %v, %v\n", poct, qoct)
	io.Pforan("psmp1, qsmp1 = %v, %v\n", psmp1, qsmp1)
	io.Pforan("psmp2, qsmp2 = %v, %v\n", psmp2, qsmp2)
	chk.Scalar(tst, "p", 1e-15, psmp1, psmp2)
	chk.Scalar(tst, "q", 1e-15, qsmp1, qsmp2)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:32，代码来源:t_invariants_test.go


示例6: Test_beam01b

func Test_beam01b(tst *testing.T) {

	//verbose()
	chk.PrintTitle("beam01b. simply supported")

	// start simulation
	analysis := NewFEM("data/beam01.sim", "", true, true, false, false, chk.Verbose, 0)

	// run simulation
	err := analysis.Run()
	if err != nil {
		tst.Errorf("Run failed:\n%v", err)
		return
	}

	// check
	dom := analysis.Domains[0]
	ele := dom.Elems[0].(*Beam)
	_, M := ele.CalcVandM(dom.Sol, 0.5, 1)
	qn, L := 15.0, 1.0
	Mcentre := qn * L * L / 8.0
	io.Pforan("M = %v (%v)\n", M, Mcentre)
	chk.Scalar(tst, "M @ centre", 1e-17, M[0], Mcentre)

	// check moment using OutIpsData
	idx_centre := 5 // considering 11 stations
	dat := ele.OutIpsData()
	res := dat[idx_centre].Calc(dom.Sol)
	io.Pfcyan("M @ centre (OutIpsData) = %v\n", res["M"])
	chk.Scalar(tst, "M @ centre (OutIpsData)", 1e-17, res["M"], Mcentre)
}
开发者ID:PaddySchmidt，项目名称:gofem，代码行数:31，代码来源:t_beams_test.go


示例7: TestMyLab03b

func TestMyLab03b(tst *testing.T) {

	//verbose()
	chk.PrintTitle("mylab03b")

	a := []int{1, 2, 3, -1, -2, 0, 8, -3}
	b := IntFilter(a, func(i int) bool {
		if a[i] < 0 {
			return true
		}
		return false
	})
	c := IntNegOut(a)
	io.Pf("a = %v\n", a)
	io.Pf("b = %v\n", b)
	io.Pf("c = %v\n", c)
	chk.Ints(tst, "b", b, []int{1, 2, 3, 0, 8})
	chk.Ints(tst, "c", c, []int{1, 2, 3, 0, 8})

	A := []float64{1, 2, 3, -1, -2, 0, 8, -3}
	s := DblSum(A)
	mi, ma := DblMinMax(A)
	io.Pf("A      = %v\n", A)
	io.Pf("sum(A) = %v\n", s)
	io.Pf("min(A) = %v\n", mi)
	io.Pf("max(A) = %v\n", ma)
	chk.Scalar(tst, "sum(A)", 1e-17, s, 8)
	chk.Scalar(tst, "min(A)", 1e-17, mi, -3)
	chk.Scalar(tst, "max(A)", 1e-17, ma, 8)
}
开发者ID:PatrickSchm，项目名称:gosl，代码行数:30，代码来源:t_mylab_test.go


示例8: Test_prms02

func Test_prms02(tst *testing.T) {

	//verbose()
	chk.PrintTitle("prms02")

	var prms Prms
	prms = []*Prm{
		&Prm{N: "klx", V: 1.0},
		&Prm{N: "kly", V: 2.0},
		&Prm{N: "klz", V: 3.0},
	}
	io.Pforan("%v\n", prms)

	var klx, kly, klz float64
	err_msg := prms.ConnectSet([]*float64{&klx, &kly, &klz}, []string{"klx", "kly", "klz"}, "Test_prms02")
	if err_msg != "" {
		tst.Error("connect set failed: %v\n", err_msg)
		return
	}

	chk.Scalar(tst, "klx", 1e-15, klx, 1.0)
	chk.Scalar(tst, "kly", 1e-15, kly, 2.0)
	chk.Scalar(tst, "klz", 1e-15, klz, 3.0)

	prms[1].Set(2.2)
	chk.Scalar(tst, "kly", 1e-15, kly, 2.2)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:27，代码来源:t_prms_test.go


示例9: Test_ind01

func Test_ind01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("ind01. representation and copying")

	rnd.Init(0)

	nbases := 3
	A := get_individual(0, nbases)
	B := A.GetCopy()
	chk.Scalar(tst, "ova0", 1e-17, B.Ovas[0], 123)
	chk.Scalar(tst, "ova1", 1e-17, B.Ovas[1], 345)
	chk.Scalar(tst, "oor0", 1e-17, B.Oors[0], 10)
	chk.Scalar(tst, "oor1", 1e-17, B.Oors[1], 20)
	chk.Scalar(tst, "oor2", 1e-17, B.Oors[2], 30)

	fmts := map[string][]string{"int": {" %d"}, "flt": {" %.1f"}, "str": {" %q"}, "key": {" %x"}, "byt": {" %q"}, "fun": {" %q"}}

	oA := A.Output(fmts, false)
	oB := B.Output(fmts, false)
	io.Pfyel("\n%v\n", oA)
	io.Pfyel("%v\n\n", oB)
	chk.String(tst, oA, " 1 20 300 4.4 5.5 666.0 \"abc\" \"b\" \"c\" 53 47 41 \"ABC\" \"DEF\" \"GHI\" \"f0\" \"f1\" \"f2\"")
	chk.String(tst, oB, " 1 20 300 4.4 5.5 666.0 \"abc\" \"b\" \"c\" 53 47 41 \"ABC\" \"DEF\" \"GHI\" \"f0\" \"f1\" \"f2\"")

	A.SetFloat(1, 33)
	A.SetFloat(2, 88)
	oA = A.Output(fmts, false)
	io.Pfyel("\n%v\n", oA)
	chk.String(tst, oA, " 1 20 300 4.4 33.0 88.0 \"abc\" \"b\" \"c\" 53 47 41 \"ABC\" \"DEF\" \"GHI\" \"f0\" \"f1\" \"f2\"")
}
开发者ID:postfix，项目名称:goga-1，代码行数:31，代码来源:t_individual_test.go


示例10: Test_matinvSmall01

func Test_matinvSmall01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("matinvSmall01")

	noise := 0.0
	tol := 1.0e-16

	// 1 x 1 matrix
	res := MatAlloc(1, 1)
	det, err := MatInv(res, [][]float64{{2.0}}, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Scalar(tst, "1 x 1 matrix: det ", tol, det, 2.0)
	chk.Matrix(tst, "1 x 1 matrix: ", tol, res, [][]float64{{0.5}})

	// matrix: inverse
	A := [][]float64{{1.0, 2.0}, {3.0, 2.0}}
	Aicorr := [][]float64{{-0.5, 0.5}, {0.75, -0.25 + noise}}
	Ai := MatAlloc(2, 2)
	detA, err := MatInv(Ai, A, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Scalar(tst, "matrix: inv (det) ", tol, detA, -4.0+noise)
	chk.Matrix(tst, "matrix: inv (A)   ", tol, Ai, Aicorr)

	// using MatInvG
	Ai_ := MatAlloc(2, 2)
	err = MatInvG(Ai_, A, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Matrix(tst, "matrix: inv with MatInvG", tol, Ai_, Aicorr)

	// another test
	B := [][]float64{{9.0, 3.0, 5.0}, {-6.0, -9.0, 7.0}, {-1.0, -8.0, 1.0}}
	Bicorr := [][]float64{
		{7.642276422764227e-02, -6.991869918699187e-02, 1.073170731707317e-01},
		{-1.626016260162601e-03, 2.276422764227642e-02, -1.512195121951219e-01},
		{6.341463414634146e-02, 1.121951219512195e-01, -1.024390243902439e-01 + noise},
	}
	Bi := MatAlloc(3, 3)
	detB, err := MatInv(Bi, B, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Scalar(tst, "matrix: det ", tol, detB, 615.0+noise)
	chk.Matrix(tst, "matrix: inv ", tol, Bi, Bicorr)

	// using MatInvG
	Bi_ := MatAlloc(3, 3)
	err = MatInvG(Bi_, B, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Matrix(tst, "matrix: inv with MatInvG", tol, Bi_, Bicorr)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:59，代码来源:t_matinv_test.go


示例11: Test_ind02

func Test_ind02(tst *testing.T) {

	//verbose()
	chk.PrintTitle("ind02. copy into")

	rnd.Init(0)

	nbases := 1
	A := get_individual(0, nbases)
	B := get_individual(1, nbases)

	fmts := map[string][]string{
		"int": {"%2d", "%4d", "%5d"}, // ints
		"flt": {"%6g", "%6g", "%5g"}, // floats
		"str": {"%4s", "%2s", "%2s"}, // strings
		"key": {"%3x", "%3x", "%3x"}, // keys
		"byt": {"%4s", "%4s", "%4s"}, // bytes
		"fun": {"%3s", "%3s", "%3s"}, // funcs
	}
	io.Pfpink("A = %v\n", A.Output(fmts, false))
	io.Pfcyan("B = %v\n", B.Output(fmts, false))

	var ops OpsData
	ops.SetDefault()
	ops.Pc = 1.0
	ops.Cuts = []int{1, 2}
	ops.Xrange = [][]float64{{0, 1}, {-20, 20}, {-300, 300}}

	a := A.GetCopy()
	b := A.GetCopy()
	IndCrossover(a, b, A, B, 0, &ops)

	io.Pforan("a = %v\n", a.Output(fmts, false))
	io.Pfblue2("b = %v\n", b.Output(fmts, false))

	chk.Ints(tst, "a.Ints   ", a.Ints, []int{1, -20, 300})
	chk.Ints(tst, "b.Ints   ", b.Ints, []int{-1, 20, -300})
	chk.Strings(tst, "a.Strings", a.Strings, []string{"abc", "Y", "c"})
	chk.Strings(tst, "b.Strings", b.Strings, []string{"X", "b", "Z"})
	// TODO: add other tests here
	io.Pf("\n")

	x := get_individual(0, nbases)
	x.Ovas = []float64{0, 0}
	x.Oors = []float64{0, 0, 0}
	io.Pfblue2("x = %v\n", x.Output(fmts, false))
	B.CopyInto(x)

	chk.Scalar(tst, "ova0", 1e-17, x.Ovas[0], 200)
	chk.Scalar(tst, "ova1", 1e-17, x.Ovas[1], 100)
	chk.Scalar(tst, "oor0", 1e-17, x.Oors[0], 15)
	chk.Scalar(tst, "oor1", 1e-17, x.Oors[1], 25)
	chk.Scalar(tst, "oor2", 1e-17, x.Oors[2], 35)

	io.Pforan("x = %v\n", x.Output(fmts, false))
	chk.String(tst, x.Output(fmts, false), B.Output(fmts, false))
}
开发者ID:postfix，项目名称:goga-1，代码行数:57，代码来源:t_individual_test.go


示例12: Test_fun05

func Test_fun05(tst *testing.T) {

	//verbose()
	chk.PrintTitle("fun05. zero and one")

	io.Pforan("Zero(666,nil) = %v\n", Zero.F(666, nil))
	io.Pforan("One(666,nil)  = %v\n", One.F(666, nil))
	chk.Scalar(tst, "zero", 1e-17, Zero.F(666, nil), 0)
	chk.Scalar(tst, "one ", 1e-17, One.F(666, nil), 1)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:10，代码来源:t_fun_test.go


示例13: check_constants

func check_constants(tst *testing.T, E, ν, Kcor, Gcor, lcor float64) {

	K, G := Calc_K_from_Enu(E, ν), Calc_G_from_Enu(E, ν)
	l := Calc_l_from_Enu(E, ν)

	io.Pf("E = %v\n", E)
	io.Pf("ν = %v\n", ν)
	io.Pf("K = %v\n", K)
	io.Pf("G = %v\n", G)
	io.Pf("l = %v\n", l)

	chk.Scalar(tst, "KfromEν", 1e-17, K, Kcor)
	chk.Scalar(tst, "GfromEν", 1e-17, G, Gcor)
	chk.Scalar(tst, "lfromEν", 1e-17, l, lcor)

	EfromKG, νfromKG := Calc_E_from_KG(K, G), Calc_nu_from_KG(K, G)
	chk.Scalar(tst, "EfromKG", 1e-17, EfromKG, E)
	chk.Scalar(tst, "νfromKG", 1e-17, νfromKG, ν)

	EfromlG, νfromlG := Calc_E_from_lG(l, G), Calc_nu_from_lG(l, G)
	chk.Scalar(tst, "EfromlG", 1e-17, EfromlG, E)
	chk.Scalar(tst, "νfromlG", 1e-17, νfromlG, ν)

	EfromKν, GfromKν := Calc_E_from_Knu(K, ν), Calc_G_from_Knu(K, ν)
	chk.Scalar(tst, "EfromKν", 1e-17, EfromKν, E)
	chk.Scalar(tst, "GfromKν", 1e-17, GfromKν, G)
}
开发者ID:PatrickSchm，项目名称:gofem，代码行数:27，代码来源:t_elasticity_test.go


示例14: Test_gumbel_03

func Test_gumbel_03(tst *testing.T) {

	//verbose()
	chk.PrintTitle("dist_gumbel_03")

	var dist DistGumbel
	dist.Init(&VarData{M: 61.3, S: 7.52}) // from Haldar & Mahadevan page 90
	io.Pforan("dist = %+#v\n", dist)
	chk.Scalar(tst, "u", 0.00011, dist.U, 57.9157)
	chk.Scalar(tst, "β", 1e-4, dist.B, 1.0/0.17055)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:11，代码来源:t_dist_gumbel_test.go


示例15: Test_cubiceq02

func Test_cubiceq02(tst *testing.T) {

	//verbose()
	chk.PrintTitle("cubiceq02. y(x) = x³ + x²")

	a, b, c := 1.0, 0.0, 0.0
	x1, x2, x3, nx := EqCubicSolveReal(a, b, c)
	io.Pforan("\na=%v b=%v c=%v\n", a, b, c)
	io.Pfcyan("nx=%v\n", nx)
	io.Pfcyan("x1=%v x2=%v x3=%v\n", x1, x2, x3)
	chk.IntAssert(nx, 2)
	chk.Scalar(tst, "x1", 1e-17, x1, -1)
	chk.Scalar(tst, "x2", 1e-17, x2, 0)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:14，代码来源:t_equations_test.go


示例16: Test_cubiceq01

func Test_cubiceq01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("cubiceq01. y(x) = x³ - 3x² - 144x + 432")

	a, b, c := -3.0, -144.0, 432.0
	x1, x2, x3, nx := EqCubicSolveReal(a, b, c)
	io.Pforan("\na=%v b=%v c=%v\n", a, b, c)
	io.Pfcyan("nx=%v\n", nx)
	io.Pfcyan("x1=%v x2=%v x3=%v\n", x1, x2, x3)
	chk.IntAssert(nx, 3)
	chk.Scalar(tst, "x1", 1e-17, x1, -12)
	chk.Scalar(tst, "x2", 1e-17, x2, 12)
	chk.Scalar(tst, "x3", 1e-14, x3, 3)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:15，代码来源:t_equations_test.go


示例17: Test_simplechromo01

func Test_simplechromo01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("simplechromo01")

	rnd.Init(0)
	nbases := 2
	for i := 0; i < 10; i++ {
		chromo := SimpleChromo([]float64{1, 10, 100}, nbases)
		io.Pforan("chromo = %v\n", chromo)
		chk.IntAssert(len(chromo), 3*nbases)
		chk.Scalar(tst, "gene0", 1e-14, chromo[0]+chromo[1], 1)
		chk.Scalar(tst, "gene1", 1e-14, chromo[2]+chromo[3], 10)
		chk.Scalar(tst, "gene2", 1e-13, chromo[4]+chromo[5], 100)
	}
}
开发者ID:postfix，项目名称:goga-1，代码行数:16，代码来源:t_operators_test.go


示例18: Test_phi03

func Test_phi03(tst *testing.T) {

	// verbose()
	chk.PrintTitle("phi03 - Reinitialisation")

	// run simulation
	analysis := NewFEM("data/phi03.sim", "", true, false, false, false, chk.Verbose, 0)

	// run simulation
	err := analysis.Run()
	if err != nil {
		tst.Errorf("Run failed:\n%v", err)
		return
	}
	// domain
	dom := analysis.Domains[0]

	eq := []int{
		0, 20, 54,
	}
	node := []int{
		0, 10, 27,
	}
	// check results
	for i, v := range eq {
		// chk.PrintTitle(io.Sf("%25.10e%25.10e", dom.Sol.Y[v], dom.Msh.Verts[node[i]].C[0]))
		chk.Scalar(tst, "h @ nod "+string(i), 5e-2, dom.Sol.Y[v], dom.Msh.Verts[node[i]].C[0])
	}
}
开发者ID:PaddySchmidt，项目名称:gofem，代码行数:29，代码来源:t_phi_test.go


示例19: Test_msh01

func Test_msh01(tst *testing.T) {

	chk.PrintTitle("msh01")

	msh := ReadMsh("data", "bh16.msh")
	if msh == nil {
		tst.Errorf("test failed\n")
		return
	}
	io.Pforan("%v\n", msh)
	io.Pfcyan("lims = [%g, %g, %g, %g, %g, %g]\n", msh.Xmin, msh.Xmax, msh.Ymin, msh.Ymax, msh.Zmin, msh.Zmax)
	chk.Scalar(tst, "xmin", 1e-17, msh.Xmin, 10)
	chk.Scalar(tst, "xmax", 1e-17, msh.Xmax, 14)
	chk.Scalar(tst, "ymin", 1e-17, msh.Ymin, -1)
	chk.Scalar(tst, "ymax", 1e-17, msh.Ymax, 1)
}
开发者ID:PatrickSchm，项目名称:gofem，代码行数:16，代码来源:t_read_test.go


示例20: Test_brent03

func Test_brent03(tst *testing.T) {

	//verbose()
	chk.PrintTitle("brent03. minimum finding")

	ffcn := func(x float64) (res float64, err error) {
		return x*x*x - 2.0*x - 5.0, nil
	}

	var o Brent
	o.Init(ffcn)
	xa, xb := 0.0, 1.0
	x, err := o.Min(xa, xb, false)
	if err != nil {
		chk.Panic("%v", err)
	}
	y, err := ffcn(x)
	if err != nil {
		chk.Panic("%v", err)
	}
	xcor := math.Sqrt(2.0 / 3.0)
	io.Pforan("x      = %v (correct=%g)\n", x, xcor)
	io.Pforan("f(x)   = %v\n", y)
	io.Pforan("nfeval = %v\n", o.NFeval)
	io.Pforan("nit    = %v\n", o.It)

	//save := true
	save := false
	PlotYxe(ffcn, "results", "brent03.png", x, -1, 3, 101, "Brent", "'b-'", save, false, nil)
	chk.Scalar(tst, "xcorrect", 1e-8, x, xcor)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:31，代码来源:t_brent_test.go



注：本文中的github.com/cpmech/gosl/chk.Scalar函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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