Lets say I have a range between 0 and 100 and I want an array returned containing 3 integers which are evenly distributed within that range, what would be the best way to do this?
For example:
Range: 0-100
Wanted: 3
Returned: 25, 50, 75
Lets say I have a range between 0 and 100 and I want an array returned containing 3 integers which are evenly distributed within that range, what would be the best way to do this?
For example:
Range: 0-100
Wanted: 3
Returned: 25, 50, 75
Pseudo code:
function foo(int rangeLow, int rangeHigh, int wanted)
int increment=(rangeHigh-rangeLow)/(wanted+1)
array r=new array()
for (int i=rangeLow+increment;i<rangeHigh;i+=increment)
r.push(i)
return r
edit: missed the php tag...
//tested:
function foo($wanted=3, $rangeLow=0, $rangeHigh=100){
$increment=($rangeHigh-$rangeLow)/($wanted+1);
$r=array();
for ($i=$rangeLow+$increment;$i<$rangeHigh;$i+=$increment)
$r[]=$i;
return $r;
}
/*
examples:
call:
foo ();
returned:
[0] => 25
[1] => 50
[2] => 75
call:
foo (4);
returned:
[0] => 20
[1] => 40
[2] => 60
[3] => 80
call:
foo (5,50,200);
returned:
[0] => 75
[1] => 100
[2] => 125
[3] => 150
[4] => 175
*/