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added approx(1)

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aiju 2015-06-27 22:00:33 +02:00
parent 167ab1f0fa
commit 9ca3fc3a1d
1 changed files with 23 additions and 0 deletions
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rc/bin/approx Normal file
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@ -0,0 +1,23 @@
#!/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
}
'