Periodic table: Difference between revisions
Added Wren
(Added Wren) |
|||
Line 186:
</lang>
=={{header|Wren}}==
{{libheader|Wren-fmt}}
<lang ecmascript>import "./fmt" for Fmt
var limits = [3..10, 11..18, 19..36, 37..54, 55..86, 87..118]
var periodicTable = Fn.new { |n|
if (n < 1 || n > 118) Fiber.abort("Atomic number is out of range.")
if (n == 1) return [1, 1]
if (n == 2) return [1, 18]
if (n >= 57 && n <= 70) return [8, n - 53]
if (n >= 89 && n <= 102) return [9, n - 85]
var row
var start
var end
for (i in 0...limits.count) {
var limit = limits[i]
if (n >= limit.from && n <= limit.to) {
row = i + 2
start = limit.from
end = limit.to
break
}
}
if (n < start + 2 || row == 4 || row == 5) return [row, n - start + 1]
return [row, n - end + 18]
}
for (n in [1, 2, 29, 42, 57, 58, 59, 71, 72, 89, 90, 103, 113]) {
var rc = periodicTable.call(n)
Fmt.print("Atomic number $3d -> $d, $-2d", n, rc[0], rc[1])
}</lang>
{{out}}
<pre>
Atomic number 1 -> 1, 1
Atomic number 2 -> 1, 18
Atomic number 29 -> 4, 11
Atomic number 42 -> 5, 6
Atomic number 57 -> 8, 4
Atomic number 58 -> 8, 5
Atomic number 59 -> 8, 6
Atomic number 71 -> 6, 3
Atomic number 72 -> 6, 4
Atomic number 89 -> 9, 4
Atomic number 90 -> 9, 5
Atomic number 103 -> 7, 3
Atomic number 113 -> 7, 13
</pre>
| |||