Linear congruential generator: Difference between revisions
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m (added whitespace and highlighting to make it easier to see which formula is which.) |
m (→{{header|REXX}}: added/changed whitespace and comments.) |
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=={{header|REXX}}== |
=={{header|REXX}}== |
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<lang rexx>/*REXX program |
<lang rexx>/*REXX program uses a congruential generator that simulates the old BSD and MS random */ |
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/*──────────── number generators. BSD= 0 ──► (2**31)-1 MS= 0 ──► (2**16)-1 */ |
/*──────────── number generators. BSD= 0 ──► (2**31)-1 MS= 0 ──► (2**16)-1 */ |
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numeric digits 20 /* |
numeric digits 20 /*use enough dec. digs for the multiply*/ |
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do seed=0 to 1 /*perform for seed=0 and also seed=1.*/ |
do seed=0 to 1 /*perform for seed=0 and also seed=1.*/ |
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bsd=seed; |
bsd= seed; ms= seed /*assign SEED to two REXX variables.*/ |
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say center('seed='seed, 79, |
say center('seed='seed, 79, "─") /*display the seed in a title/separator*/ |
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/* [↓] show 20 rand #'s for each seed.*/ |
/* [↓] show 20 rand #'s for each seed.*/ |
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do j=1 for 20 /* |
do j=1 for 20 /*generate and display 20 rand numbers.*/ |
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bsd = (1103515245 * bsd + 12345) // 2**31 |
bsd = (1103515245 * bsd + 12345) // 2**31 |
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ms = ( 214013 * ms + 2531011) // 2**31 |
ms = ( 214013 * ms + 2531011) // 2**31 |
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