func TestA2Z2A(t *testing.T) {
eps := nptest.NewEps(1.e-8, 1.e-6)
var a float64
for i := 0; i < 1000; i++ {
a = 1 - rand.Float64()
eps.EqFloat64(a, A2Z(Z2A(a)), "A->Z->A", t)
}
}
func TestZ2A2Z(t *testing.T) {
eps := nptest.NewEps(1.e-8, 1.e-6)
var z float64
for i := 0; i < 1000; i++ {
z = 100 * rand.Float64()
eps.EqFloat64(z, Z2A(A2Z(z)), "Z->A->Z", t)
}
}
package lineio
import (
"testing"
"github.com/npadmana/npgo/nptest"
)
var (
eps = nptest.NewEps(1.e-9, 1.e-9)
)
func TestParseFloat64s(t *testing.T) {
inp := []byte(" 1.234 7.9 -2.3 1.2e4 1.2e-4 ")
var x, y, z, w, v float64
err := ParseToFloat64s(inp, []byte{' '}, &x, &y, &z, &w, &v)
if err != nil {
t.Error(err)
}
eps.EqFloat64(1.234, x, "", t)
eps.EqFloat64(7.9, y, "", t)
eps.EqFloat64(-2.3, z, "", t)
eps.EqFloat64(1.2e4, w, "", t)
eps.EqFloat64(1.2e-4, v, "", t)
}
func TestParseFloat64Arr1(t *testing.T) {
inp := []byte(" 1.234 7.9 -2.3 1.2e4 1.2e-4 ")
truth := []float64{1.234, 7.9, -2.3, 1.2e4, 1.2e-4}
var out []float64
err := ParseToFloat64Arr(inp, []byte{' '}, &out, true)
func TestA2Z(t *testing.T) {
eps := nptest.NewEps(1.e-8, 1.e-6)
eps.EqFloat64(0, A2Z(1), "z=0, a=1", t)
eps.EqFloat64(1, A2Z(0.5), "z=1,a=0.5", t)
eps.EqFloat64(3, A2Z(0.25), "z=3,a=0.25", t)
}
func TestZ2A(t *testing.T) {
eps := nptest.NewEps(1.e-8, 1.e-6)
eps.EqFloat64(1, Z2A(0), "z=0,a=1", t)
eps.EqFloat64(0.5, Z2A(1), "z=1,a=0.5", t)
eps.EqFloat64(0.25, Z2A(3), "z=3,a=0.25", t)
}