1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// Tests whether the non vector routines are working, even when the tests are run on a
// vector-capable machine.
package math_test
import (
. "math"
"testing"
)
func TestCosNovec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
for i := 0; i < len(vf); i++ {
if f := CosNoVec(vf[i]); !veryclose(cos[i], f) {
t.Errorf("Cos(%g) = %g, want %g", vf[i], f, cos[i])
}
}
for i := 0; i < len(vfcosSC); i++ {
if f := CosNoVec(vfcosSC[i]); !alike(cosSC[i], f) {
t.Errorf("Cos(%g) = %g, want %g", vfcosSC[i], f, cosSC[i])
}
}
}
func TestCoshNovec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
for i := 0; i < len(vf); i++ {
if f := CoshNoVec(vf[i]); !close(cosh[i], f) {
t.Errorf("Cosh(%g) = %g, want %g", vf[i], f, cosh[i])
}
}
for i := 0; i < len(vfcoshSC); i++ {
if f := CoshNoVec(vfcoshSC[i]); !alike(coshSC[i], f) {
t.Errorf("Cosh(%g) = %g, want %g", vfcoshSC[i], f, coshSC[i])
}
}
}
func TestSinNovec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
for i := 0; i < len(vf); i++ {
if f := SinNoVec(vf[i]); !veryclose(sin[i], f) {
t.Errorf("Sin(%g) = %g, want %g", vf[i], f, sin[i])
}
}
for i := 0; i < len(vfsinSC); i++ {
if f := SinNoVec(vfsinSC[i]); !alike(sinSC[i], f) {
t.Errorf("Sin(%g) = %g, want %g", vfsinSC[i], f, sinSC[i])
}
}
}
func TestSinhNovec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
for i := 0; i < len(vf); i++ {
if f := SinhNoVec(vf[i]); !close(sinh[i], f) {
t.Errorf("Sinh(%g) = %g, want %g", vf[i], f, sinh[i])
}
}
for i := 0; i < len(vfsinhSC); i++ {
if f := SinhNoVec(vfsinhSC[i]); !alike(sinhSC[i], f) {
t.Errorf("Sinh(%g) = %g, want %g", vfsinhSC[i], f, sinhSC[i])
}
}
}
// Check that math functions of high angle values
// return accurate results. [Since (vf[i] + large) - large != vf[i],
// testing for Trig(vf[i] + large) == Trig(vf[i]), where large is
// a multiple of 2*Pi, is misleading.]
func TestLargeCosNovec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
large := float64(100000 * Pi)
for i := 0; i < len(vf); i++ {
f1 := cosLarge[i]
f2 := CosNoVec(vf[i] + large)
if !close(f1, f2) {
t.Errorf("Cos(%g) = %g, want %g", vf[i]+large, f2, f1)
}
}
}
func TestLargeSinNovec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
large := float64(100000 * Pi)
for i := 0; i < len(vf); i++ {
f1 := sinLarge[i]
f2 := SinNoVec(vf[i] + large)
if !close(f1, f2) {
t.Errorf("Sin(%g) = %g, want %g", vf[i]+large, f2, f1)
}
}
}
func TestTanhNovec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
for i := 0; i < len(vf); i++ {
if f := TanhNoVec(vf[i]); !veryclose(tanh[i], f) {
t.Errorf("Tanh(%g) = %g, want %g", vf[i], f, tanh[i])
}
}
for i := 0; i < len(vftanhSC); i++ {
if f := TanhNoVec(vftanhSC[i]); !alike(tanhSC[i], f) {
t.Errorf("Tanh(%g) = %g, want %g", vftanhSC[i], f, tanhSC[i])
}
}
}
func TestLog10Novec(t *testing.T) {
if !HasVX {
t.Skipf("no vector support")
}
for i := 0; i < len(vf); i++ {
a := Abs(vf[i])
if f := Log10NoVec(a); !veryclose(log10[i], f) {
t.Errorf("Log10(%g) = %g, want %g", a, f, log10[i])
}
}
if f := Log10NoVec(E); f != Log10E {
t.Errorf("Log10(%g) = %g, want %g", E, f, Log10E)
}
for i := 0; i < len(vflogSC); i++ {
if f := Log10NoVec(vflogSC[i]); !alike(logSC[i], f) {
t.Errorf("Log10(%g) = %g, want %g", vflogSC[i], f, logSC[i])
}
}
}
|
