Unlike Delphi, that uses a linear congruential generator. They belong to a (large) set of repeating numbers, whose sequence is impossible or at least difficult to predict. Writeln ( 'You guessed ' ,Count, ' out of 5 correct.' ) end. Algorithm-generated random numbers are pseudo-random numbers. Readln (Guess ) If Guess =Random ( 5 ) + 1 then inc (count ) end Write ( 'Guess a number between 1 and 5 : ' ) Writeln ( 'out of 1000 generated numbers.' )
Writeln ( 'Generated ' ,Count, ' numbers > 0.5' ) If speed is an issue, then alternate random number generators should be considered.Įxample Program Example49 Ĭount := 0 For i := 1 to 1000 do If Random > 0.
Free pascal random 255 generator#
This implementation has a better statistical distribution than for example a Linear Congruential generator algorithm, but is considerably slower than the latter. The Free Pascal implementation of the Random routine uses the Mersenne Twister to simulate randomness. This converts a scalar type expression into. If the argument L is omitted, a Real number between 0 and 1 is returned (0 included, 1 excluded). This means that the integer must lie inside the values for the ASCII character set, in this case 0 to 255. Random returns a random number larger or equal to 0 and strictly less than L.
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