 Roberto Ierusalimschy
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347d6961ac
Define LUA_MAXUNSIGNED as a preprocessor constant
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6 years ago |
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Roberto Ierusalimschy
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279c3a6961
A few changes in tests about number of bits in integers
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6 years ago |
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Roberto Ierusalimschy
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9eca305e75
'math.randomseed()' sets a somewhat random seed
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6 years ago |
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Roberto Ierusalimschy
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51316f9df7
'math.rand()' uses higher bits to produce float value
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6 years ago |
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Roberto Ierusalimschy
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f99509581e
Removed extra information from RCS keyword strings
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7 years ago |
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Roberto Ierusalimschy
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aedcfb9414
type 'Rand64' may not be long long, so it should not use 'LL' in its
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7 years ago |
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Roberto Ierusalimschy
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de53c2ec7e
using some weak "randomness" (time and memory address) to initialize
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7 years ago |
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Roberto Ierusalimschy
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80bd4a8940
correction on xoshiro256** algorithm
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7 years ago |
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Roberto Ierusalimschy
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3e7415e846
reorganization of '#if's for sellecting a type for 'Rand64' +
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7 years ago |
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Roberto Ierusalimschy
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762baf0548
detail (trim constants are unsigned)
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7 years ago |
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Roberto Ierusalimschy
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b8a04658b2
PRNG changed from 'xoroshiro128+' to 'xoshiro256**' + "I' renamed 'Rand64'
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7 years ago |
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Roberto Ierusalimschy
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b44787652b
using 'xoroshiro128+' for PRNG
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7 years ago |
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Roberto Ierusalimschy
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bdd10a08b1
in 'random', uses high-order bits instead of low-order
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7 years ago |
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Roberto Ierusalimschy
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c5e3b2f814
in random/'project', remove the special case for "small" intervals;
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7 years ago |
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Roberto Ierusalimschy
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89da4168df
avoid functions named 'pack'
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7 years ago |
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Roberto Ierusalimschy
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6b01b6cf6a
'lu_int32' may not be 'int'
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7 years ago |
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Roberto Ierusalimschy
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e3388ebfad
more explicit casts when converting an integer to a random float
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7 years ago |
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Roberto Ierusalimschy
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dbec41f34c
random floats of different sizes get exactly needed number of random bits
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7 years ago |
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Roberto Ierusalimschy
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0b3db69e41
slight simplification in 'xorshift128plus'
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7 years ago |
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Roberto Ierusalimschy
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80ae1c1c16
fairer projection of random integers into an integer interval
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7 years ago |
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Roberto Ierusalimschy
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66b7b075a6
'math.random' using the xorshift128+ algorithm
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7 years ago |
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Roberto Ierusalimschy
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2a235312f0
detail (removing spaces at end of lines)
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8 years ago |
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Roberto Ierusalimschy
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9903dd52a3
Using LUAI_UAC* types more consistently on vararg calls
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8 years ago |
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Roberto Ierusalimschy
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dc4232379d
detail (ensure subtraction is done unsigned)
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9 years ago |
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Roberto Ierusalimschy
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be63d995c1
tiny bug: 'randomseed' was calling 'rand' (instead of 'l_rand')
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10 years ago |
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Roberto Ierusalimschy
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7d930ec694
use 'log2' when available
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10 years ago |
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Roberto Ierusalimschy
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1a7868c1d5
bug: 'random' limit is 2^31-1, not RAND_MAX
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10 years ago |
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Roberto Ierusalimschy
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17ca3b1763
cleaner test for overflow for range of 'math.random'
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10 years ago |
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Roberto Ierusalimschy
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28fdbcf393
added include for 'lprefix.h', for stuff that must be added before
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10 years ago |
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Roberto Ierusalimschy
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463edee2fd
'lua_numtointeger' -> 'lua_numbertointeger'
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10 years ago |
