func TestDotFloat64WithSameLength(t *testing.T) {
N := 500000
a := genFloat64Array(N, LowFloat64, HighFloat64)
b := genFloat64Array(N, LowFloat64, HighFloat64)
Expected := 0.0
for i := range a {
Expected += a[i] * b[i]
}
computed := DotFloat64(a, b)
if gomath.AbsFloat64(computed-Expected) < LowFloat64 {
t.Logf("Expected %f but computed %f\n", Expected, computed)
t.FailNow()
}
}
func TestDotFloat64WithDiffLength(t *testing.T) {
N := 1000 + rand.Intn(1000000)
M := 1000 + rand.Intn(1000000)
if N == M {
N++
}
a := genFloat64Array(N, LowFloat64, HighFloat64)
b := genFloat64Array(M, LowFloat64, HighFloat64)
Expected := 0.0
for i := range a {
if i < N && i < M {
Expected += a[i] * b[i]
} else {
break
}
}
computed := DotFloat64(a, b)
if gomath.AbsFloat64(computed-Expected) < LowFloat64 {
t.Logf("Expected %f but computed %f\n", Expected, computed)
t.FailNow()
}
}