ludecomp(a,n,zero=0,one=1) Instance Public methods Performs LU decomposition of the n by n matrix a.

warn?() Instance Public methods Returns true iff the current severity level allows for the printing of WARN messages.

warn(progname = nil, &block) Instance Public methods Log a WARN message. See info for more information.

unknown(progname = nil, &block) Instance Public methods Log an UNKNOWN message. This will be printed no matter what the logger's level is. See info for more information.

log(severity, message = nil, progname = nil, &block) Instance Public methods Alias for: add

info?() Instance Public methods Returns true iff the current severity level allows for the printing of INFO messages.

info(message)info(progname, &block) Instance Public methods Log an INFO message. message The message to log; does not need to be a String. progname In the block form, this is the progname to use in the log message. The default can be set with progname=. block Evaluates to the message to log. This is not evaluated unless the logger's level is sufficient to log the message. This allows you to create potentially expensive logging messages that are only called when the

flush() Instance Public methods

fatal?() Instance Public methods Returns true iff the current severity level allows for the printing of FATAL messages.

fatal(progname = nil, &block) Instance Public methods Log a FATAL message. See info for more information.