Expected result
  ===============
  This application should infinitely print '-' characters. If it prints only a single '+' characters the test must be considered as failed.
  
  Background
  ==========
  This test was introduced due to an error for floating point handling in an older newlib version.
  
  The idea for this test is taken from:
  http://sourceware.org/ml/newlib/2010/msg00149.html