1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 # Approximation of Pi using a Monte Carlo simulation.
17 # This is just an example of basic math and random operations.
20 # Number of iterations
22 if args
.not_empty
then n
= 2 ** args
.first
.to_i
24 # Threshold for output
31 # Random position in the ([0..1[,[0..1[) square
35 # Hit if in the circle
36 if x
*x
+ y
*y
<= 1.0 then h
+= 1
39 if i
>= j
or i
== n
then
40 print
"i={i} h={h} p={(4.0*h.to_f/i.to_f).to_precision(6)}"