75392e54c7
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@757 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
27 lines
363 B
Plaintext
27 lines
363 B
Plaintext
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:- object(math_constants).
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:- info([
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author is 'Paulo Moura',
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version is 1.0,
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date is 2000/4/22,
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comment is 'Implements predicates for retriving common mathematical constants.']).
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:- public(pi/1).
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:- mode(pi(-float), one).
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:- public(e/1).
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:- mode(e(-float), one).
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pi(Pi) :-
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Pi is 4.0*atan(1.0).
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e(E) :-
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E is exp(1.0).
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:- end_object.
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