add comments about rounding

2 jobs for master in 36 seconds (queued for 1 minute and 24 seconds)
Status Job ID Name Coverage
  Test
failed #2434
testsuite_matlab

00:00:23

failed #2435
testsuite_octave

00:00:13

 
Name Stage Failure
failed
testsuite_octave Test
$ git clone https://git.dynare.org/Dynare/dseries.git
Cloning into 'dseries'...
$ make check-octave
error: 'initialize_dseries_toolbox' undefined near line 24 column 1
error: called from
runtest at line 24 column 1
Makefile:7: recipe for target 'check-octave' failed
make: *** [check-octave] Error 1
ERROR: Job failed: exit status 1
failed
testsuite_matlab Test
 
{Undefined function or variable 'initialize_dseries_toolbox'.

Error in runtest (line 24)
initialize_dseries_toolbox;
}
Makefile:11: recipe for target 'check-matlab' failed
make: *** [check-matlab] Error 1
ERROR: Job failed: exit status 1