For easier integration (or porting) with the existing Prolog libraries/programs, since DCG are popular in Prolog world.

number --> digit, number_remaining.
number_remaining --> dot,number_remaining.
number_remaining --> digit,number_remaining.
number_remaining([],[]).
dot -->[0'.].
digit --> [J], {digit_code(J)}.
digit_code(J):- J >= 0'0, J =< 0'9.

Each section of the Users Manual should have a small discussion of theory behind the method. This should be just enough to understand the inputs and outputs, without derivations (typically no more than one page, see e.g. Nataf). If the theory is complex and requires elaborate discussion, references should be provided that give adequate background to the user.

• MCS

• LHS

• STS

[R and C++] About times

All times, including forecast times, forecast lead times, and observation times, in the program use seconds as the unit. This is important to keep in mind when you are using either the C++ or R interfaces.