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There is one verbose printing variable, called "LSeries" that controls
verbose printing for all of the functions in this chapter.
> SetVerbose("LSeries",n);
It accepts verbosity levels n such that 0≤n≤3. The values are as
follows:
n=0 is the (default) quiet mode. The functions do not print anything
apart from loss-of-precision warnings.
n=1 is possibly the most useful setting. The
sign and the residues of L * (s) are printed whenever they are determined
from the functional equation.
n=2 generates messages that allow the user to keep track of what is currently
happening. So messages are printed when a new L-function is constructed,
when coefficients are generated or when expansions of special functions are
computed.
n=3 is a "keep-alive" setting that basically informs the user that
the computer has not crashed yet and, yes, something is still happening.
For L-functions of large conductor or very high precision that require
a large number of coefficients, Magma will print a "progress indicator"
every time 1000 new coefficients are generated and every 5000 terms in the
series computations that test the functional equation or compute the
L-values. (The frequencies 1000 and 5000 are stored in the attributes
L`vprint_coeffs and L`vprint_series of a variable
L of type LSeries and may be changed at the user's desire.)
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