projects / p5sagit/p5-mst-13.2.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | history | HEAD
Upgrade to Math::BigInt v1.65, Math::BigRat v0.10,
[p5sagit/p5-mst-13.2.git] / lib / Math / BigInt / t / bigintc.t
CommitLineData
0716bf9b 1#!/usr/bin/perl -w
2
3use strict;
4use Test;
5
6BEGIN
7 {
8 $| = 1;
027dc388 9 chdir 't' if -d 't';
56d9de68 10 unshift @INC, '../lib'; # for running manually
61f5c3f5 11 }
12
13use Math::BigInt::Calc;
14
15BEGIN
16 {
990fb837 17 plan tests => 258;
0716bf9b 18 }
19
56d9de68 20# testing of Math::BigInt::Calc
0716bf9b 21
56d9de68 22my $C = 'Math::BigInt::Calc'; # pass classname to sub's
574bacfe 23
0716bf9b 24# _new and _str
bd05a461 25my $x = $C->_new(\"123"); my $y = $C->_new(\"321");
26ok (ref($x),'ARRAY'); ok (${$C->_str($x)},123); ok (${$C->_str($y)},321);
0716bf9b 27
61f5c3f5 28###############################################################################
0716bf9b 29# _add, _sub, _mul, _div
bd05a461 30ok (${$C->_str($C->_add($x,$y))},444);
31ok (${$C->_str($C->_sub($x,$y))},123);
32ok (${$C->_str($C->_mul($x,$y))},39483);
33ok (${$C->_str($C->_div($x,$y))},123);
0716bf9b 34
61f5c3f5 35###############################################################################
36# check that mul/div doesn't change $y
37# and returns the same reference, not something new
bd05a461 38ok (${$C->_str($C->_mul($x,$y))},39483);
61f5c3f5 39ok (${$C->_str($x)},39483); ok (${$C->_str($y)},321);
40
41ok (${$C->_str($C->_div($x,$y))},123);
42ok (${$C->_str($x)},123); ok (${$C->_str($y)},321);
43
44$x = $C->_new(\"39483");
45my ($x1,$r1) = $C->_div($x,$y);
46ok ("$x1","$x");
47$C->_inc($x1);
48ok ("$x1","$x");
49ok (${$C->_str($r1)},'0');
50
51$x = $C->_new(\"39483"); # reset
52
53###############################################################################
bd05a461 54my $z = $C->_new(\"2");
55ok (${$C->_str($C->_add($x,$z))},39485);
56my ($re,$rr) = $C->_div($x,$y);
0716bf9b 57
bd05a461 58ok (${$C->_str($re)},123); ok (${$C->_str($rr)},2);
0716bf9b 59
60# is_zero, _is_one, _one, _zero
56d9de68 61ok ($C->_is_zero($x)||0,0);
62ok ($C->_is_one($x)||0,0);
0716bf9b 63
56d9de68 64ok (${$C->_str($C->_zero())},"0");
65ok (${$C->_str($C->_one())},"1");
66
67# _two() (only used internally)
68ok (${$C->_str($C->_two())},"2");
69
70ok ($C->_is_one($C->_one()),1);
71
72ok ($C->_is_one($C->_zero()) || 0,0);
73
74ok ($C->_is_zero($C->_zero()),1);
75
76ok ($C->_is_zero($C->_one()) || 0,0);
574bacfe 77
78# is_odd, is_even
56d9de68 79ok ($C->_is_odd($C->_one()),1); ok ($C->_is_odd($C->_zero())||0,0);
80ok ($C->_is_even($C->_one()) || 0,0); ok ($C->_is_even($C->_zero()),1);
81
82# _len
83$x = $C->_new(\"1"); ok ($C->_len($x),1);
84$x = $C->_new(\"12"); ok ($C->_len($x),2);
85$x = $C->_new(\"123"); ok ($C->_len($x),3);
86$x = $C->_new(\"1234"); ok ($C->_len($x),4);
87$x = $C->_new(\"12345"); ok ($C->_len($x),5);
88$x = $C->_new(\"123456"); ok ($C->_len($x),6);
89$x = $C->_new(\"1234567"); ok ($C->_len($x),7);
90$x = $C->_new(\"12345678"); ok ($C->_len($x),8);
91$x = $C->_new(\"123456789"); ok ($C->_len($x),9);
92
93$x = $C->_new(\"8"); ok ($C->_len($x),1);
94$x = $C->_new(\"21"); ok ($C->_len($x),2);
95$x = $C->_new(\"321"); ok ($C->_len($x),3);
96$x = $C->_new(\"4321"); ok ($C->_len($x),4);
97$x = $C->_new(\"54321"); ok ($C->_len($x),5);
98$x = $C->_new(\"654321"); ok ($C->_len($x),6);
99$x = $C->_new(\"7654321"); ok ($C->_len($x),7);
100$x = $C->_new(\"87654321"); ok ($C->_len($x),8);
101$x = $C->_new(\"987654321"); ok ($C->_len($x),9);
102
103for (my $i = 1; $i < 9; $i++)
104 {
105 my $a = "$i" . '0' x ($i-1);
106 $x = $C->_new(\$a);
107 print "# Tried len '$a'\n" unless ok ($C->_len($x),$i);
108 }
0716bf9b 109
574bacfe 110# _digit
bd05a461 111$x = $C->_new(\"123456789");
112ok ($C->_digit($x,0),9);
113ok ($C->_digit($x,1),8);
114ok ($C->_digit($x,2),7);
115ok ($C->_digit($x,-1),1);
116ok ($C->_digit($x,-2),2);
117ok ($C->_digit($x,-3),3);
574bacfe 118
119# _copy
56d9de68 120foreach (qw/ 1 12 123 1234 12345 123456 1234567 12345678 123456789/)
121 {
122 $x = $C->_new(\"$_");
123 ok (${$C->_str($C->_copy($x))},"$_");
124 ok (${$C->_str($x)},"$_"); # did _copy destroy original x?
125 }
574bacfe 126
127# _zeros
bd05a461 128$x = $C->_new(\"1256000000"); ok ($C->_zeros($x),6);
129$x = $C->_new(\"152"); ok ($C->_zeros($x),0);
130$x = $C->_new(\"123000"); ok ($C->_zeros($x),3);
574bacfe 131
132# _lsft, _rsft
bd05a461 133$x = $C->_new(\"10"); $y = $C->_new(\"3");
134ok (${$C->_str($C->_lsft($x,$y,10))},10000);
135$x = $C->_new(\"20"); $y = $C->_new(\"3");
136ok (${$C->_str($C->_lsft($x,$y,10))},20000);
61f5c3f5 137
bd05a461 138$x = $C->_new(\"128"); $y = $C->_new(\"4");
61f5c3f5 139ok (${$C->_str($C->_lsft($x,$y,2))}, 128 << 4);
140
bd05a461 141$x = $C->_new(\"1000"); $y = $C->_new(\"3");
142ok (${$C->_str($C->_rsft($x,$y,10))},1);
143$x = $C->_new(\"20000"); $y = $C->_new(\"3");
144ok (${$C->_str($C->_rsft($x,$y,10))},20);
145$x = $C->_new(\"256"); $y = $C->_new(\"4");
61f5c3f5 146ok (${$C->_str($C->_rsft($x,$y,2))},256 >> 4);
0716bf9b 147
56d9de68 148$x = $C->_new(\"6411906467305339182857313397200584952398");
149$y = $C->_new(\"45");
150ok (${$C->_str($C->_rsft($x,$y,10))},0);
151
574bacfe 152# _acmp
bd05a461 153$x = $C->_new(\"123456789");
154$y = $C->_new(\"987654321");
155ok ($C->_acmp($x,$y),-1);
156ok ($C->_acmp($y,$x),1);
157ok ($C->_acmp($x,$x),0);
158ok ($C->_acmp($y,$y),0);
574bacfe 159
56d9de68 160$x = $C->_new(\"1234567890123456789");
161$y = $C->_new(\"987654321012345678");
162ok ($C->_acmp($x,$y),1);
163ok ($C->_acmp($y,$x),-1);
164ok ($C->_acmp($x,$x),0);
165ok ($C->_acmp($y,$y),0);
166
167$x = $C->_new(\"1234");
168$y = $C->_new(\"987654321012345678");
169ok ($C->_acmp($x,$y),-1);
170ok ($C->_acmp($y,$x),1);
171ok ($C->_acmp($x,$x),0);
172ok ($C->_acmp($y,$y),0);
173
174# _modinv
175$x = $C->_new(\"8");
176$y = $C->_new(\"5033");
177my ($xmod,$sign) = $C->_modinv($x,$y);
178ok (${$C->_str($xmod)},'629'); # -629 % 5033 == 4404
179ok ($sign, '-');
180
574bacfe 181# _div
bd05a461 182$x = $C->_new(\"3333"); $y = $C->_new(\"1111");
183ok (${$C->_str(scalar $C->_div($x,$y))},3);
184$x = $C->_new(\"33333"); $y = $C->_new(\"1111"); ($x,$y) = $C->_div($x,$y);
185ok (${$C->_str($x)},30); ok (${$C->_str($y)},3);
186$x = $C->_new(\"123"); $y = $C->_new(\"1111");
187($x,$y) = $C->_div($x,$y); ok (${$C->_str($x)},0); ok (${$C->_str($y)},123);
574bacfe 188
189# _num
56d9de68 190foreach (qw/1 12 123 1234 12345 1234567 12345678 123456789 1234567890/)
191 {
192 $x = $C->_new(\"$_");
193 ok (ref($x)||'','ARRAY'); ok (${$C->_str($x)},"$_");
194 $x = $C->_num($x); ok (ref($x)||'',''); ok ($x,$_);
195 }
574bacfe 196
b3abae2a 197# _sqrt
198$x = $C->_new(\"144"); ok (${$C->_str($C->_sqrt($x))},'12');
990fb837 199$x = $C->_new(\"144000000000000"); ok (${$C->_str($C->_sqrt($x))},'12000000');
200
201# _root
202$x = $C->_new(\"81"); my $n = $C->_new(\"3"); # 4*4*4 = 64, 5*5*5 = 125
203ok (${$C->_str($C->_root($x,$n))},'4'); # 4.xx => 4.0
204$x = $C->_new(\"81"); $n = $C->_new(\"4"); # 3*3*3*3 == 81
205ok (${$C->_str($C->_root($x,$n))},'3');
b3abae2a 206
207# _fac
208$x = $C->_new(\"0"); ok (${$C->_str($C->_fac($x))},'1');
209$x = $C->_new(\"1"); ok (${$C->_str($C->_fac($x))},'1');
210$x = $C->_new(\"2"); ok (${$C->_str($C->_fac($x))},'2');
211$x = $C->_new(\"3"); ok (${$C->_str($C->_fac($x))},'6');
212$x = $C->_new(\"4"); ok (${$C->_str($C->_fac($x))},'24');
213$x = $C->_new(\"5"); ok (${$C->_str($C->_fac($x))},'120');
214$x = $C->_new(\"10"); ok (${$C->_str($C->_fac($x))},'3628800');
215$x = $C->_new(\"11"); ok (${$C->_str($C->_fac($x))},'39916800');
56d9de68 216$x = $C->_new(\"12"); ok (${$C->_str($C->_fac($x))},'479001600');
217
218##############################################################################
219# _inc and _dec
220foreach (qw/1 11 121 1231 12341 1234561 12345671 123456781 1234567891/)
221 {
222 $x = $C->_new(\"$_"); $C->_inc($x);
223 print "# \$x = ",${$C->_str($x)},"\n"
224 unless ok (${$C->_str($x)},substr($_,0,length($_)-1) . '2');
225 $C->_dec($x); ok (${$C->_str($x)},$_);
226 }
227foreach (qw/19 119 1219 12319 1234519 12345619 123456719 1234567819/)
228 {
229 $x = $C->_new(\"$_"); $C->_inc($x);
230 print "# \$x = ",${$C->_str($x)},"\n"
231 unless ok (${$C->_str($x)},substr($_,0,length($_)-2) . '20');
232 $C->_dec($x); ok (${$C->_str($x)},$_);
233 }
234foreach (qw/999 9999 99999 9999999 99999999 999999999 9999999999 99999999999/)
235 {
236 $x = $C->_new(\"$_"); $C->_inc($x);
237 print "# \$x = ",${$C->_str($x)},"\n"
238 unless ok (${$C->_str($x)}, '1' . '0' x (length($_)));
239 $C->_dec($x); ok (${$C->_str($x)},$_);
240 }
b3abae2a 241
e745a66c 242$x = $C->_new(\"1000"); $C->_inc($x); ok (${$C->_str($x)},'1001');
243$C->_dec($x); ok (${$C->_str($x)},'1000');
244
56d9de68 245my $BL;
246{
247 no strict 'refs';
248 $BL = &{"$C"."::_base_len"}();
249}
250
e745a66c 251$x = '1' . '0' x $BL;
252$z = '1' . '0' x ($BL-1); $z .= '1';
253$x = $C->_new(\$x); $C->_inc($x); ok (${$C->_str($x)},$z);
254
255$x = '1' . '0' x $BL; $z = '9' x $BL;
256$x = $C->_new(\$x); $C->_dec($x); ok (${$C->_str($x)},$z);
257
574bacfe 258# should not happen:
bd05a461 259# $x = $C->_new(\"-2"); $y = $C->_new(\"4"); ok ($C->_acmp($x,$y),-1);
574bacfe 260
56d9de68 261###############################################################################
394e6ffb 262# _mod
263$x = $C->_new(\"1000"); $y = $C->_new(\"3");
264ok (${$C->_str(scalar $C->_mod($x,$y))},1);
265$x = $C->_new(\"1000"); $y = $C->_new(\"2");
266ok (${$C->_str(scalar $C->_mod($x,$y))},0);
267
268# _and, _or, _xor
269$x = $C->_new(\"5"); $y = $C->_new(\"2");
270ok (${$C->_str(scalar $C->_xor($x,$y))},7);
271$x = $C->_new(\"5"); $y = $C->_new(\"2");
272ok (${$C->_str(scalar $C->_or($x,$y))},7);
273$x = $C->_new(\"5"); $y = $C->_new(\"3");
274ok (${$C->_str(scalar $C->_and($x,$y))},1);
275
276# _from_hex, _from_bin
277ok (${$C->_str(scalar $C->_from_hex(\"0xFf"))},255);
278ok (${$C->_str(scalar $C->_from_bin(\"0b10101011"))},160+11);
279
61f5c3f5 280# _as_hex, _as_bin
281ok (${$C->_str(scalar $C->_from_hex( $C->_as_hex( $C->_new(\"128"))))}, 128);
282ok (${$C->_str(scalar $C->_from_bin( $C->_as_bin( $C->_new(\"128"))))}, 128);
990fb837 283ok (${$C->_str(scalar $C->_from_hex( $C->_as_hex( $C->_new(\"0"))))}, 0);
284ok (${$C->_str(scalar $C->_from_bin( $C->_as_bin( $C->_new(\"0"))))}, 0);
285ok ( ${$C->_as_hex( $C->_new(\"0"))}, '0x0');
286ok ( ${$C->_as_bin( $C->_new(\"0"))}, '0b0');
287ok ( ${$C->_as_hex( $C->_new(\"12"))}, '0xc');
288ok ( ${$C->_as_bin( $C->_new(\"12"))}, '0b1100');
61f5c3f5 289
574bacfe 290# _check
bd05a461 291$x = $C->_new(\"123456789");
292ok ($C->_check($x),0);
293ok ($C->_check(123),'123 is not a reference');
0716bf9b 294
61f5c3f5 295###############################################################################
56d9de68 296# __strip_zeros
297
298{
299 no strict 'refs';
300 # correct empty arrays
301 $x = &{$C."::__strip_zeros"}([]); ok (@$x,1); ok ($x->[0],0);
302 # don't strip single elements
303 $x = &{$C."::__strip_zeros"}([0]); ok (@$x,1); ok ($x->[0],0);
304 $x = &{$C."::__strip_zeros"}([1]); ok (@$x,1); ok ($x->[0],1);
305 # don't strip non-zero elements
306 $x = &{$C."::__strip_zeros"}([0,1]);
307 ok (@$x,2); ok ($x->[0],0); ok ($x->[1],1);
308 $x = &{$C."::__strip_zeros"}([0,1,2]);
309 ok (@$x,3); ok ($x->[0],0); ok ($x->[1],1); ok ($x->[2],2);
310
311 # but strip leading zeros
312 $x = &{$C."::__strip_zeros"}([0,1,2,0]);
313 ok (@$x,3); ok ($x->[0],0); ok ($x->[1],1); ok ($x->[2],2);
314
315 $x = &{$C."::__strip_zeros"}([0,1,2,0,0]);
316 ok (@$x,3); ok ($x->[0],0); ok ($x->[1],1); ok ($x->[2],2);
317
318 $x = &{$C."::__strip_zeros"}([0,1,2,0,0,0]);
319 ok (@$x,3); ok ($x->[0],0); ok ($x->[1],1); ok ($x->[2],2);
320
321 # collapse multiple zeros
322 $x = &{$C."::__strip_zeros"}([0,0,0,0]);
323 ok (@$x,1); ok ($x->[0],0);
324}
61f5c3f5 325
0716bf9b 326# done
327
3281;
574bacfe 329
Unnamed repository; edit this file to name it for gitweb.