#!/usr/bin/env bash
RECORDS=15
FIELDS=20
UPDATES_PER_RECORD=5
echo "{-# LANGUAGE DuplicateRecordFields #-}" > RecordUpdPerf.hs
echo "module RecordUpdPerf where" >> RecordUpdPerf.hs
for r in $(seq -w 1 $RECORDS); do
  echo "data R$r = MkR$r {" >> RecordUpdPerf.hs
    for f in $(seq -w 1 $FIELDS); do
      echo "  r$f :: Int," >> RecordUpdPerf.hs
      echo "  s${r}_$f :: Int," >> RecordUpdPerf.hs
    done
    echo "  t :: Bool }" >> RecordUpdPerf.hs
done

for u in $(seq -w 1 $UPDATES_PER_RECORD); do
  for r in $(seq -w 1 $RECORDS); do
    echo "f${r}_$u r = r {" >> RecordUpdPerf.hs
    for f in $(seq -w 1 $FIELDS); do
      echo "  r$f = $u * $r * $f," >> RecordUpdPerf.hs
    done
    echo "  s${r}_$FIELDS = $u + $r }" >> RecordUpdPerf.hs
  done
done