gcc/testsuite/algol68/execute/cos-1.a68

# { dg-options "-fstropping=upper" }  #
BEGIN REAL r = 0.0;
      LONG REAL rr = LONG 45.0;
      LONG LONG REAL rrr = LONG LONG 60.0;
      ASSERT (cos (r) = 1.0);
      long cos (rr);
      long long cos (rrr)
END