Sha256: 5369605a82de77a6d14afdfaed45c1a406e886363ea53113e260bb5d99f360bb
Contents?: true
Size: 673 Bytes
Versions: 274
Compression:
Stored size: 673 Bytes
Contents
package triangle
import "math"
type Kind string
const testVersion = 3
const (
Equ Kind = "equilateral"
Iso = "isosceles"
Sca = "scalene"
NaT = "not a triangle"
)
func KindFromSides(a, b, c float64) Kind {
if math.IsNaN(a) || math.IsNaN(b) || math.IsNaN(c) {
return NaT
}
if a > b {
a, b = b, a
}
if b > c {
b, c = c, b
}
if a > b {
a, b = b, a
}
// sides are now sorted
switch {
case math.IsInf(c, 1): // largest side is +Inf, guards against (3, +Inf, +Inf)
return NaT
case a <= 0:
return NaT
case a+b < c: // triangle inequality
return NaT
case a == c:
return Equ
case a == b || b == c:
return Iso
}
return Sca
}
Version data entries
274 entries across 274 versions & 1 rubygems