var signature1 = 'BigNumber';
var signature2 = 'BigNumber, BigNumber';
export function absBigNumber(a) {
  return a.abs();
}
absBigNumber.signature = signature1;
export function addBigNumber(a, b) {
  return a.add(b);
}
addBigNumber.signature = signature2;
export function subtractBigNumber(a, b) {
  return a.sub(b);
}
subtractBigNumber.signature = signature2;
export function multiplyBigNumber(a, b) {
  return a.mul(b);
}
multiplyBigNumber.signature = signature2;
export function divideBigNumber(a, b) {
  return a.div(b);
}
divideBigNumber.signature = signature2;