1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
require 'bench_press'
require 'bigdecimal'
extend BenchPress
name 'Float vs Rational power'
author 'Claudio Bustos'
date '2011-02-02'
summary "
On ruby, the maximum size of a float is #{Float::MAX}.
With Rational, we can raise to integer numbers and surpass Float maximum.
What is the speed reduction using Rational?"
reps 1000 #number of repetitions
int=10
rat=10.quo(1)
bd=BigDecimal("10")
measure "Using float pow" do
int**307
end
measure "Using rational" do
rat**307
end
measure "Using big decimal pow" do
bd**307
end
|
