On 05/25/2018 09:19 PM, ToddAndMargo wrote:
Hi All,
This is my keep file submitted for your critique.
Many thanks,
-T
Perl 6: random numbers:
`rand` return a positive real number, always less than one:
$ p6 'say rand;'
0.268091668368972
Place a number in front of it to get a larger number:
$ p6 'say 1000.rand;'
565.2817971799526
To convert to an positive integer, use truncate:
$ p6 'say 1000.rand.truncate;'
876
Follow up:
This is my latest keeper on random numbers.
In my program were I use this, I wanted a random positive four
digit integer, so I used:
my $BaseName = (1000..9999).pick;
Thank you all for the help with this!
-T
Perl 6: random numbers:
"pick" a number between a range:
$ p6 'say (^1000).pick'
485
Note: `(^1000)` is shorthand for (0..1000) excluding the last number
p6 'say (4..9).pick'
7
$ p6 'say (1000..9999).pick'
7024
`rand` return a positive real number, always less than one but
greater than zero:
$ p6 'say rand;'
0.268091668368972
Place a number in front of it to get a larger number:
$ p6 'say 1000.rand;'
565.2817971799526
Between 4 and 8:
$ p6 'say (4..8).rand;'
6.168408720956085
To convert to an positive integer, use truncate:
$ p6 'say 1000.rand.truncate;'
876
A random real number to two places:
$ p6 'say 1000.rand.truncate/100.0;'
1.49
