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asinh32_test.go
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133 lines (118 loc) · 2.92 KB
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package floats
import (
"math"
"testing"
)
func TestFloat32_Asinh(t *testing.T) {
tests := []struct {
x Float32
want float64
}{
{exact32(0), math.Asinh(0)},
{exact32(0x1p-29), math.Asinh(0x1p-29)},
{exact32(0.25), math.Asinh(0.25)},
{exact32(0.5), math.Asinh(0.5)},
{exact32(1), math.Asinh(1)},
{exact32(21), math.Asinh(21)},
{exact32(22), math.Asinh(22)},
{exact32(0x1p29), math.Asinh(0x1p29)},
{exact32(-0), -math.Asinh(0)},
{exact32(-0.25), -math.Asinh(0.25)},
{exact32(-0.5), -math.Asinh(0.5)},
{exact32(-1), -math.Asinh(1)},
{exact32(-21), -math.Asinh(21)},
{exact32(-22), -math.Asinh(22)},
}
for _, tt := range tests {
got := tt.x.Asinh()
if !close32(got, tt.want) {
t.Errorf("Asinh(%v) = %v; want %v", tt.x, got, tt.want)
}
}
strictTests := []struct {
x Float32
want Float32
}{
{exact32(0), exact32(0)},
{exact32(math.Copysign(0, -1)), exact32(math.Copysign(0, -1))},
// special cases
{exact32(math.Inf(1)), exact32(math.Inf(1))},
{exact32(math.Inf(-1)), exact32(math.Inf(-1))},
{exact32(math.NaN()), exact32(math.NaN())},
}
for _, tt := range strictTests {
got := tt.x.Asinh()
if !eq32(got, tt.want) {
t.Errorf("Asinh(%v) = %v; want %v", tt.x, got, tt.want)
}
}
}
func TestFloat32_Acosh(t *testing.T) {
tests := []struct {
x Float32
want float64
}{
{exact32(1), math.Acosh(1)},
{exact32(1.5), math.Acosh(1.5)},
{exact32(21), math.Acosh(21)},
{exact32(22), math.Acosh(22)},
{exact32(0x1p29), math.Acosh(0x1p29)},
}
for _, tt := range tests {
got := tt.x.Acosh()
if !close32(got, tt.want) {
t.Errorf("Acosh(%v) = %v; want %v", tt.x, got, tt.want)
}
}
strictTests := []struct {
x Float32
want Float32
}{
// special cases
{exact32(math.Inf(1)), exact32(math.Inf(1))},
{exact32(math.Inf(-1)), exact32(math.NaN())},
{exact32(math.NaN()), exact32(math.NaN())},
}
for _, tt := range strictTests {
got := tt.x.Acosh()
if !eq32(got, tt.want) {
t.Errorf("Acosh(%v) = %v; want %v", tt.x, got, tt.want)
}
}
}
func TestFloat32_Atanh(t *testing.T) {
tests := []struct {
x Float32
want float64
}{
{exact32(0x1p-29), math.Atanh(0x1p-29)},
{exact32(0.25), math.Atanh(0.25)},
{exact32(0.5), math.Atanh(0.5)},
{exact32(0.75), math.Atanh(0.75)},
}
for _, tt := range tests {
got := tt.x.Atanh()
if !close32(got, tt.want) {
t.Errorf("Atanh(%v) = %v; want %v", tt.x, got, tt.want)
}
}
strictTests := []struct {
x Float32
want Float32
}{
// special cases
{exact32(2), exact32(math.NaN())},
{exact32(1), exact32(math.Inf(1))},
{exact32(0), exact32(0)},
{exact32(math.Copysign(0, -1)), exact32(math.Copysign(0, -1))},
{exact32(-1), exact32(math.Inf(-1))},
{exact32(-2), exact32(math.NaN())},
{exact32(math.NaN()), exact32(math.NaN())},
}
for _, tt := range strictTests {
got := tt.x.Atanh()
if !eq32(got, tt.want) {
t.Errorf("Atanh(%v) = %v; want %v", tt.x, got, tt.want)
}
}
}