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Diffstat (limited to 'cpan/Math-BigRat/t/biglog.t')
-rw-r--r-- | cpan/Math-BigRat/t/biglog.t | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/cpan/Math-BigRat/t/biglog.t b/cpan/Math-BigRat/t/biglog.t deleted file mode 100644 index 5c4b96b3d4..0000000000 --- a/cpan/Math-BigRat/t/biglog.t +++ /dev/null @@ -1,73 +0,0 @@ -#!/usr/bin/perl -w - -# Test blog function (and bpow, since it uses blog), as well as bexp(). - -use strict; -use Test::More tests => 17; - -use Math::BigRat; - -my $cl = "Math::BigRat"; - -############################################################################# -# test log($n) - -# does not work yet -#is ($cl->new(2)->blog(), '0', "blog(2)"); -#is ($cl->new(288)->blog(), '5',"blog(288)"); -#is ($cl->new(2000)->blog(), '7', "blog(2000)"); - -############################################################################# -# test exp($n) - -is ($cl->new(1)->bexp()->as_int(), '2', "bexp(1)"); -is ($cl->new(2)->bexp()->as_int(), '7',"bexp(2)"); -is ($cl->new(3)->bexp()->as_int(), '20', "bexp(3)"); - -# rounding not implemented yet -#is ($cl->new(3)->bexp(10), '20', "bexp(3,10)"); - -# $x < 0 => NaN -ok ($cl->new(-2)->blog(), 'NaN'); -ok ($cl->new(-1)->blog(), 'NaN'); -ok ($cl->new(-10)->blog(), 'NaN'); -ok ($cl->new(-2,2)->blog(), 'NaN'); - -############################################################################# -# test bexp() with cached results - -is ($cl->new(1)->bexp(), - '90933395208605785401971970164779391644753259799242' . '/' . - '33452526613163807108170062053440751665152000000000', - 'bexp(1)'); -is ($cl->new(2)->bexp(1,40), $cl->new(1)->bexp(1,45)->bpow(2,40), 'bexp(2)'); - -is ($cl->new("12.5")->bexp(1,61), $cl->new(1)->bexp(1,65)->bpow(12.5,61), 'bexp(12.5)'); - -############################################################################# -# test bexp() with big values (non-cached) - -is ($cl->new(1)->bexp(1,100)->as_float(100), - '2.718281828459045235360287471352662497757247093699959574966967627724076630353547594571382178525166427', - 'bexp(100)'); - -is ($cl->new("12.5")->bexp(1,91), $cl->new(1)->bexp(1,95)->bpow(12.5,91), - 'bexp(12.5) to 91 digits'); - -############################################################################# -# some integer results -is ($cl->new(2)->bpow(32)->blog(2), '32', "2 ** 32"); -is ($cl->new(3)->bpow(32)->blog(3), '32', "3 ** 32"); -is ($cl->new(2)->bpow(65)->blog(2), '65', "2 ** 65"); - -my $x = Math::BigInt->new( '777' ) ** 256; -my $base = Math::BigInt->new( '12345678901234' ); -is ($x->copy()->blog($base), 56, 'blog(777**256, 12345678901234)'); - -$x = Math::BigInt->new( '777' ) ** 777; -$base = Math::BigInt->new( '777' ); -is ($x->copy()->blog($base), 777, 'blog(777**777, 777)'); - -# all done -1; - |