| 1 | |
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| 2 | :- protocol(randomp). |
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| 3 | |
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| 4 | :- info([ |
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| 5 | version is 1.0, |
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| 6 | author is 'Paulo Moura', |
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| 7 | date is 2000/7/24, |
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| 8 | comment is 'Random number generator protocol.']). |
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| 9 | |
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| 10 | :- public(random/1). |
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| 11 | :- mode(random(-float), one). |
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| 12 | :- info(random/1, [ |
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| 13 | comment is 'Returns a new random float value in the interval [0.0, 1.0[.', |
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| 14 | argnames is ['Random']]). |
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| 15 | |
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| 16 | :- public(random/3). |
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| 17 | :- mode(random(+integer, +integer, -integer), zero_or_one). |
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| 18 | :- mode(random(+float, +float, -float), zero_or_one). |
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| 19 | :- info(random/3, [ |
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| 20 | comment is 'Returns a new random value in the interval [Lower, Upper[.', |
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| 21 | argnames is ['Lower', 'Upper', 'Random']]). |
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| 22 | |
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| 23 | :- public(randseq/4). |
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| 24 | :- mode(randseq(+integer, +integer, +integer, -list), zero_or_one). |
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| 25 | :- mode(randseq(+integer, +float, +float, -list), zero_or_one). |
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| 26 | :- info(randseq/4, [ |
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| 27 | comment is 'Returns a list of Length random values in the interval [Lower, Upper[.', |
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| 28 | argnames is ['Length', 'Lower', 'Upper', 'List']]). |
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| 29 | |
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| 30 | :- public(randset/4). |
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| 31 | :- mode(randset(+integer, +integer, +integer, -list), zero_or_one). |
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| 32 | :- mode(randset(+integer, +float, +float, -list), zero_or_one). |
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| 33 | :- info(randset/4, [ |
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| 34 | comment is 'Returns an ordered set of Length random values in the interval [Lower, Upper[.', |
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| 35 | argnames is ['Length', 'Lower', 'Upper', 'Set']]). |
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| 36 | |
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| 37 | :- public(reset_seed/0). |
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| 38 | :- mode(reset_seed, one). |
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| 39 | :- info(reset_seed/0, [ |
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| 40 | comment is 'Resets the random seed to its default value.']). |
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| 41 | |
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| 42 | :- public(set_seed/1). |
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| 43 | :- mode(set_seed(+integer), zero_or_one). |
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| 44 | :- info(set_seed/1, [ |
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| 45 | comment is 'Sets the random seed to the given value.', |
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| 46 | argnames is ['Seed']]). |
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| 47 | |
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| 48 | :- end_protocol. |
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