File: numbers.mpt

package info (click to toggle)
mathpiper 0.81f%2Bsvn4469%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 36,572 kB
  • sloc: java: 57,479; lisp: 13,721; objc: 1,300; xml: 988; makefile: 114; awk: 95; sh: 38
file content (154 lines) | stat: -rw-r--r-- 5,017 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154

f():=[]; //Echo(CurrentLine());

Verify( CatalanNumber(6), 132 ); f();
Verify( CatalanNumber(10), 16796 ); f();


Testing("Integer logarithms and roots");

Verify(IntLog(23^45, 67), 33); f();

Verify(IntLog(1, 67), 0); f();
Verify(IntLog(2, 67), 0); f();
Verify(IntLog(0, 67), 0); f();
Verify(IntLog(1, 1), Undefined); f();
Verify(IntLog(2, 1), Undefined); f();
Verify(IntLog(256^8, 4), 32); f();
Verify(IntLog(256^8-1, 4), 31); f();
Verify(IntNthRoot(65537^33, 11), 281487861809153); f();

Testing("Factorial");
Verify(261! - 261*260!, 0); f();
Verify(300! / 250!, 251***300); f();

Verify(Repunit(3), 111 ); f();
Verify(HarmonicNumber(5), 137/60 ); f();

Verify( Subfactorial(0), 1 ); f();
Verify( Subfactorial(21), 18795307255050944540 ); f();

Verify( Divisors(180), 18 ); f();


Verify( IsAmicablePair(200958394875 ,209194708485 ), True ); f();
Verify( IsAmicablePair(220,284),True ); f();

Verify( IsComposite(100), True ); f();
Verify( IsComposite(1), False ); f();
Verify( IsComposite(37), False ); f();

Verify( IsTwinPrime(71), True ); f();
Verify( IsTwinPrime(1), False ); f();
Verify( IsTwinPrime(22), False ); f();

Verify( DigitalRoot(18), 9 ); f();
Verify( DigitalRoot(15), 6 ); f();

Verify( IsIrregularPrime(37), True ); f();
Verify( IsIrregularPrime(59), True ); f();
Verify( IsIrregularPrime(1), False ); f();
Verify( IsIrregularPrime(11), False ); f();

Verify( Gcd( 324 + 1608*I, -11800 + 7900*I ),Complex(-52,16) ); f();
// I changed from Complex(-4,4) to Complex(4,4) as the GaussianGcd algorithm suddenly returned this instead.
// However, as it turned out it was a bug in FloorN, introduced when
// we moved to the new number classes (so the numbers did not get converted
// to string and back any more). The number got prematurely truncated with
// this test case (regression test added to regress.yts also).
Verify( Gcd( 7300 + 12*I, 2700 + 100*I), Complex(-4,4) ); f();

VerifyGaussianGcd(x,y):=
[
  Local(gcd);
  gcd:=Gcd(x,y);
//  Echo(x/gcd);
//  Echo(y/gcd);
  Verify(IsGaussianInteger(x/gcd) And IsGaussianInteger(y/gcd),True);
];
VerifyGaussianGcd(324 + 1608*I, -11800 + 7900*I);
VerifyGaussianGcd(7300 + 12*I, 2700 + 100*I);
VerifyGaussianGcd(120-I*200,-336+50*I);
//TODO we can expand this with randomized tests

Verify( Lcm({7,11,13,17}), 7*11*13*17 ); f();
Verify( IsCoprime(11,13), True ); f();
Verify( IsCoprime(1 .. 10), False ); f();
Verify( IsCoprime({9,40}), True ); f();

Verify( IsCarmichaelNumber( {561,1105,1729,2465,2821,6601,8911} ),{True,True,True,True,True,True,True} ); f();
Verify( IsCarmichaelNumber( {0,1,2,1727,2463,2823,6603} ),{False,False,False,False,False,False,False} ); f();

Verify(IsSmallPrime(137),True); f();
Verify(IsSmallPrime(138),False); f();
Verify(IsSmallPrime(65537),True); f();
Verify(IsSmallPrime(65539),False); f();
Verify(IsPrime(65539),True); f();
Verify(RabinMiller(1037),False); f();
Verify(RabinMiller(1038),False); f();
Verify(RabinMiller(1039),True); f();
Verify(NextPrime(65537), 65539); f();
Verify(NextPrime(97192831),97192841); f();
Verify(NextPrime(14987234876128361),14987234876128369); f();
Verify(IsPrime(0),False); f();
Verify(IsPrime(-1),False); f();
Verify(IsPrime(1),False); f();
Verify(IsPrime(2),True); f();
Verify(IsPrime(3),True); f();
Verify(IsPrime(4),False); f();
Verify(IsPrime(5),True); f();
Verify(IsPrime(6),False); f();
Verify(IsPrime(7),True); f();
Verify(IsPrime(-60000000000),False); f();
Verify(IsPrime(6.1),False); f();


Testing("Random numbers");
Local(r1, r2, r3, x1, x2, x3);

r1:=RngCreate();	// create a default RNG object, return structure
 f();
r2:=RngCreate(12345);	// create RNG object with given seed
 f();
RandomSeed(12345);	// initialize the global RNG with the same seed
 f();
r3:=RngCreate(seed->12345, engine->advanced, dist->gauss);	// test advanced options
 f();
Rng(r1); f();
Rng(r1); f();
x1:=Rng(r2); f();
Verify(x1, Random()); f();
x2:=Rng(r2); f();
x3:=Rng(r3); f();

Verify(Rng(r3)=x3, False); f();
Verify(x1=x2, False); f();
RngSeed(r2, 12345); f();
Verify(Rng(r2), x1);	// reproducible number
Verify(Rng(r2), x2);	// reproducible number
RngSeed(r3, 12345);
Verify(Rng(r3), x3);	// reproducible number
 f();
Verify(PartitionsP(1),1); f();
Verify(PartitionsP(2),2); f();
Verify(PartitionsP(3),3); f();
Verify(PartitionsP(4),5); f();
Verify(PartitionsP(13),101); f();
// This takes about 18 seconds, useful for benchmarking
//Verify( PartitionsP(4096), 6927233917602120527467409170319882882996950147283323368445315320451 );

Verify(Euler(16),19391512145); f();
Verify(EulerArray(8), {1,0,-1,0,5,0,-61,0,1385}); f();

Verify(JacobiSymbol(165,1), 1); f();
Verify(JacobiSymbol(1,3), 1); f();
Verify(JacobiSymbol(1,13), 1); f();
Verify(JacobiSymbol(2,15), 1); f();
Verify(JacobiSymbol(3,15), 0); f();
Verify(JacobiSymbol(7,15), -1); f();
Verify(JacobiSymbol(3,7), -1); f();
Verify(JacobiSymbol(0,3), 0); f();
Verify(JacobiSymbol(0,1), 1); f();
Verify(JacobiSymbol(1323132412,31312317), -1); f();
Verify(JacobiSymbol(57173571,1976575123), 1); f();
Verify(JacobiSymbol(-3,5), -1); f();