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|
package style
import (
"testing"
"golang.org/x/image/math/fixed"
)
func TestFixed26ToFloat(t *testing.T) {
t.Parallel()
var (
in fixed.Int26_6
out, want float64
)
in = 0
out = fixed26ToFloat(in)
want = 0
if out != want {
t.Errorf("float(%#v) = %v; want %v", in, out, want)
}
in = fixed.I(123)
out = fixed26ToFloat(in)
want = 123
if out != want {
t.Errorf("float(%#v) = %v; want %v", in, out, want)
}
in = fixed.I(-123)
out = fixed26ToFloat(in)
want = -123
if out != want {
t.Errorf("float(%#v) = %v; want %v", in, out, want)
}
in = fixed.Int26_6(1<<6 + 1<<4)
out = fixed26ToFloat(in)
want = 1.25
if out != want {
t.Errorf("float(%#v) = %v; want %v", in, out, want)
}
}
func TestFloatToFixed26(t *testing.T) {
t.Parallel()
var (
in float64
out, want fixed.Int26_6
)
in = 0
out = floatToFixed26(in)
want = 0
if out != want {
t.Errorf("fixed(%#v) = %v; want %v", in, out, want)
}
in = 1.25
out = floatToFixed26(in)
want = fixed.Int26_6(1<<6 + 1<<4)
if out != want {
t.Errorf("fixed(%#v) = %v; want %v", in, out, want)
}
in = -1.25
out = floatToFixed26(in)
want = -fixed.Int26_6(1<<6 + 1<<4)
if out != want {
t.Errorf("fixed(%#v) = %v; want %v", in, out, want)
}
}
|