The info mechanism in GAP allows functions to print information
during the computation (see Section Info Functions in the
GAP reference manual for general information).
InfoRadiroot V
is the info class of this package.
SetInfoLevel( InfoRadiroot, level )
sets the info level for InfoRadiroot to level, where level has
to be an integer in the range 0-4.
The default value for InfoRadiroot is 1. Information why a function
returns fail will be given with this setting.
gap> InfoLevel(InfoRadiroot); 1 gap> RootsOfPolynomialAsRadicals(x^5-4*x+2); #I Polynomial is not solvable. fail
Setting the info level to a higher value will cause messages to show up during single steps of the computation. On level 2 one gets a rough overview. Those who want to go into the details of the algorithm described in Distler05 and of the implementation itself will find the information on level 3-4 helpful.
To use the package in silent mode the info level can be given the value 0.
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Radiroot manual