/
ops_test.go
329 lines (296 loc) · 7.92 KB
/
ops_test.go
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// Copyright ©2017 The go-hep Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package hbook
import (
"bytes"
"fmt"
"reflect"
"testing"
"github.com/google/go-cmp/cmp"
)
func ExampleDivideH1D() {
h1 := NewH1D(5, 0, 5)
h1.Fill(0, 1)
h1.Fill(1, 2)
h1.Fill(2, 3)
h1.Fill(3, 3)
h1.Fill(4, 4)
h2 := NewH1D(5, 0, 5)
h2.Fill(0, 11)
h2.Fill(1, 22)
h2.Fill(2, 0)
h2.Fill(3, 33)
h2.Fill(4, 44)
s0, err := DivideH1D(h1, h2)
if err != nil {
panic(err)
}
s1, err := DivideH1D(h1, h2, DivIgnoreNaNs())
if err != nil {
panic(err)
}
s2, err := DivideH1D(h1, h2, DivReplaceNaNs(1.0))
if err != nil {
panic(err)
}
fmt.Println("Default:")
for i, pt := range s0.Points() {
fmt.Printf("Point %v: %.2f + %.2f - %.2f\n", i, pt.Y, pt.ErrY.Min, pt.ErrY.Min)
}
fmt.Println("\nDivIgnoreNaNs:")
for i, pt := range s1.Points() {
fmt.Printf("Point %v: %.2f + %.2f - %.2f\n", i, pt.Y, pt.ErrY.Min, pt.ErrY.Min)
}
fmt.Println("\nDivReplaceNaNs with v=1.0:")
for i, pt := range s2.Points() {
fmt.Printf("Point %v: %.2f + %.2f - %.2f\n", i, pt.Y, pt.ErrY.Min, pt.ErrY.Min)
}
// Output:
// Default:
// Point 0: 0.09 + 0.13 - 0.13
// Point 1: 0.09 + 0.13 - 0.13
// Point 2: NaN + 0.00 - 0.00
// Point 3: 0.09 + 0.13 - 0.13
// Point 4: 0.09 + 0.13 - 0.13
//
// DivIgnoreNaNs:
// Point 0: 0.09 + 0.13 - 0.13
// Point 1: 0.09 + 0.13 - 0.13
// Point 2: 0.09 + 0.13 - 0.13
// Point 3: 0.09 + 0.13 - 0.13
//
// DivReplaceNaNs with v=1.0:
// Point 0: 0.09 + 0.13 - 0.13
// Point 1: 0.09 + 0.13 - 0.13
// Point 2: 1.00 + 0.00 - 0.00
// Point 3: 0.09 + 0.13 - 0.13
// Point 4: 0.09 + 0.13 - 0.13
}
func TestDivideH1D(t *testing.T) {
h1 := NewH1D(5, 0, 5)
h2 := NewH1D(5, 0, 5)
for i := 0; i < 5; i++ {
h1.Fill(float64(i), float64(i+1))
h2.Fill(float64(i), float64(i+3))
}
s, err := DivideH1D(h1, h2)
if err != nil {
t.Fatal(err)
}
chk, err := s.MarshalYODA()
if err != nil {
t.Fatal(err)
}
want := []byte(`BEGIN YODA_SCATTER2D_V2 /
Path: /
Title: ""
Type: Scatter2D
---
# xval xerr- xerr+ yval yerr- yerr+
5.000000e-01 5.000000e-01 5.000000e-01 3.333333e-01 4.714045e-01 4.714045e-01
1.500000e+00 5.000000e-01 5.000000e-01 5.000000e-01 7.071068e-01 7.071068e-01
2.500000e+00 5.000000e-01 5.000000e-01 6.000000e-01 8.485281e-01 8.485281e-01
3.500000e+00 5.000000e-01 5.000000e-01 6.666667e-01 9.428090e-01 9.428090e-01
4.500000e+00 5.000000e-01 5.000000e-01 7.142857e-01 1.010153e+00 1.010153e+00
END YODA_SCATTER2D_V2
`)
if !reflect.DeepEqual(chk, want) {
t.Fatalf("divide(num,den) differ:\n%s\n",
cmp.Diff(
string(chk),
string(want),
),
)
}
}
func TestAddH1DPanics(t *testing.T) {
for _, tc := range []struct {
h1, h2 *H1D
panics error
}{
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(5, 0, 10),
panics: fmt.Errorf("hbook: h1 and h2 have different number of bins"),
},
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(10, 1, 10),
panics: fmt.Errorf("hbook: h1 and h2 have different range"),
},
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(10, 0, 11),
panics: fmt.Errorf("hbook: h1 and h2 have different range"),
},
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(10, 1, 11),
panics: fmt.Errorf("hbook: h1 and h2 have different range"),
},
} {
t.Run("", func(t *testing.T) {
if tc.panics != nil {
defer func() {
err := recover()
if err == nil {
t.Fatalf("expected a panic")
}
if got, want := err.(error).Error(), tc.panics.Error(); got != want {
t.Fatalf("invalid panic message.\ngot= %v\nwant=%v", got, want)
}
}()
}
_ = AddH1D(tc.h1, tc.h2)
})
}
}
func TestAddH1D(t *testing.T) {
h1 := NewH1D(6, 0, 6)
h1.Fill(-0.5, 1)
h1.Fill(0, 1.5)
h1.Fill(0.5, 1)
h1.Fill(1.2, 1)
h1.Fill(2.1, 2)
h1.Fill(4.2, 1)
h1.Fill(5.9, 1)
h1.Fill(6, 0.5)
h2 := NewH1D(6, 0, 6)
h2.Fill(-0.5, 0.7)
h2.Fill(0.2, 1)
h2.Fill(0.7, 1.2)
h2.Fill(1.5, 0.8)
h2.Fill(2.2, 0.7)
h2.Fill(4.3, 1.3)
h2.Fill(5.2, 2)
h2.Fill(6.8, 1)
h3 := AddH1D(h1, h2)
got, err := h3.MarshalYODA()
if err != nil {
t.Fatalf("could not marshal to yoda: %+v", err)
}
want := []byte(`BEGIN YODA_HISTO1D_V2 /
Path: /
Title: ""
Type: Histo1D
---
# Mean: 2.526554e+00
# Area: 1.770000e+01
# ID ID sumw sumw2 sumwx sumwx2 numEntries
Total Total 1.770000e+01 2.225000e+01 4.472000e+01 2.115580e+02 1.600000e+01
Underflow Underflow 1.700000e+00 1.490000e+00 -8.500000e-01 4.250000e-01 2.000000e+00
Overflow Overflow 1.500000e+00 1.250000e+00 9.800000e+00 6.424000e+01 2.000000e+00
# xlow xhigh sumw sumw2 sumwx sumwx2 numEntries
0.000000e+00 1.000000e+00 4.700000e+00 5.690000e+00 1.540000e+00 8.780000e-01 4.000000e+00
1.000000e+00 2.000000e+00 1.800000e+00 1.640000e+00 2.400000e+00 3.240000e+00 2.000000e+00
2.000000e+00 3.000000e+00 2.700000e+00 4.490000e+00 5.740000e+00 1.220800e+01 2.000000e+00
3.000000e+00 4.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
4.000000e+00 5.000000e+00 2.300000e+00 2.690000e+00 9.790000e+00 4.167700e+01 2.000000e+00
5.000000e+00 6.000000e+00 3.000000e+00 5.000000e+00 1.630000e+01 8.889000e+01 2.000000e+00
END YODA_HISTO1D_V2
`)
if !bytes.Equal(got, want) {
t.Fatalf("add differ:\n%s\n",
cmp.Diff(
string(got),
string(want),
),
)
}
}
func TestSubH1DPanics(t *testing.T) {
for _, tc := range []struct {
h1, h2 *H1D
panics error
}{
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(5, 0, 10),
panics: fmt.Errorf("hbook: h1 and h2 have different number of bins"),
},
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(10, 1, 10),
panics: fmt.Errorf("hbook: h1 and h2 have different range"),
},
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(10, 0, 11),
panics: fmt.Errorf("hbook: h1 and h2 have different range"),
},
{
h1: NewH1D(10, 0, 10),
h2: NewH1D(10, 1, 11),
panics: fmt.Errorf("hbook: h1 and h2 have different range"),
},
} {
t.Run("", func(t *testing.T) {
if tc.panics != nil {
defer func() {
err := recover()
if err == nil {
t.Fatalf("expected a panic")
}
if got, want := err.(error).Error(), tc.panics.Error(); got != want {
t.Fatalf("invalid panic message.\ngot= %v\nwant=%v", got, want)
}
}()
}
_ = SubH1D(tc.h1, tc.h2)
})
}
}
func TestSubH1D(t *testing.T) {
h1 := NewH1D(6, 0, 6)
h1.Fill(-0.5, 1)
h1.Fill(0, 1.5)
h1.Fill(0.5, 1)
h1.Fill(1.2, 1)
h1.Fill(2.1, 2)
h1.Fill(4.2, 1)
h1.Fill(5.9, 1)
h1.Fill(6, 0.5)
h2 := NewH1D(6, 0, 6)
h2.Fill(-0.5, 0.7)
h2.Fill(0.2, 1)
h2.Fill(0.7, 1.2)
h2.Fill(1.5, 0.8)
h2.Fill(2.2, 0.7)
h2.Fill(4.3, 1.3)
h2.Fill(5.2, 2)
h2.Fill(6.8, 1)
h3 := SubH1D(h1, h2)
got, err := h3.MarshalYODA()
if err != nil {
t.Fatalf("could not marshal to yoda: %+v", err)
}
want := []byte(`BEGIN YODA_HISTO1D_V2 /
Path: /
Title: ""
Type: Histo1D
---
# Mean: -2.573333e+01
# Area: 3.000000e-01
# ID ID sumw sumw2 sumwx sumwx2 numEntries
Total Total 3.000000e-01 2.225000e+01 -7.720000e+00 -4.913800e+01 1.600000e+01
Underflow Underflow 3.000000e-01 1.490000e+00 -1.500000e-01 7.500000e-02 2.000000e+00
Overflow Overflow -5.000000e-01 1.250000e+00 -3.800000e+00 -2.824000e+01 2.000000e+00
# xlow xhigh sumw sumw2 sumwx sumwx2 numEntries
0.000000e+00 1.000000e+00 3.000000e-01 5.690000e+00 -5.400000e-01 -3.780000e-01 4.000000e+00
1.000000e+00 2.000000e+00 2.000000e-01 1.640000e+00 -2.220446e-16 -3.600000e-01 2.000000e+00
2.000000e+00 3.000000e+00 1.300000e+00 4.490000e+00 2.660000e+00 5.432000e+00 2.000000e+00
3.000000e+00 4.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
4.000000e+00 5.000000e+00 -3.000000e-01 2.690000e+00 -1.390000e+00 -6.397000e+00 2.000000e+00
5.000000e+00 6.000000e+00 -1.000000e+00 5.000000e+00 -4.500000e+00 -1.927000e+01 2.000000e+00
END YODA_HISTO1D_V2
`)
if !bytes.Equal(got, want) {
t.Fatalf("sub differ:\n%s\n",
cmp.Diff(
string(got),
string(want),
),
)
}
}