#!/bin/bash

set -e

BLKY_FLAGS="${BLKY_FLAGS}"


echo "this will take 4 hours" > /dev/stderr

function count_bits() {
  err=$((0))
  for i in $(seq 0 7); do
    if [[ $(($1 & (1 << $i))) > 0 ]]; then
      err=$((err + 1))
    fi
  done
  echo $err
}
function proc() {
  err=$((0))
  for i in $(seq 0 255); do
    v=$(printf "%02x" ${i} |  \
      ${BLKY} ${BLKY_FLAGS} --from bytes --stdin-hex --to feature-probs --stdout   \
           --probgen-false-positive $(printf "0.%02d" ${1})  \
           --probgen-false-negative $(printf "0.%02d" ${2}) |  \
      ${BLKY} ${BLKY_FLAGS}  --from feature-probs --stdin --to bytes --stdout-hex)
      err=$((err + $(count_bits $(($i ^ 16#$v)))))
  done
  printf "0.%02d 0.%02d %d\n" ${fn} ${fp} ${err}
}

for fn in $(seq 0 50); do
  for fp in $(seq 0 50); do
    until [ "$( jobs -lr 2>&1 | wc -l)" -lt 4 ]; do
      sleep 0.5
    done
    proc ${fp} ${fn} &
  done
done