message: Use the isFinite operation from poplibs
diff: @@ -62,8 +62,8 @@ LookupUnaryFn(HloOpcode opcode) {
  case HloOpcode::kSign: return popstd::signum;
  case HloOpcode::kSin: return popstd::sin;
  case HloOpcode::kTanh: return popstd::tanh;
  + case HloOpcode::kIsFinite: return popstd::isFinite;
  - case HloOpcode::kIsFinite:
  default:
  break;
  }
  