24 lines
318 B
Plaintext
24 lines
318 B
Plaintext
|
#!/bin/rc
|
||
|
|
if(! ~ $#* 3){
|
||
|
|
echo usage: approx ratio min max
|
||
|
|
exit usage
|
||
|
|
}
|
||
|
|
echo $1 $2 $3 | awk '
|
||
|
|
{
|
||
|
|
y=$1;
|
||
|
|
min=$2;
|
||
|
|
max=$3;
|
||
|
|
for(i = min; i <= max; i++){
|
||
|
|
k = int(y*i+0.5);
|
||
|
|
z = (k/i/y-1)*100;
|
||
|
|
if(z < 0)
|
||
|
|
z = -z;
|
||
|
|
if(i == min || z < zm){
|
||
|
|
zm = z;
|
||
|
|
printf("%d/%d\t%g\t%.2g%%\n", k, i, k/i, z);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exit
|
||
|
|
}
|
||
|
|
'
|