Thread warum rechnet perl so seltsam? (12 answers)
Opened by conray at 2013-09-19 17:10

GwenDragon
 2013-09-19 17:48
#170400 #170400
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Es gibt Module wie CPAN:Math::BigFloat oder CPAN:Math::BigRat die eine "genauere" Arithmentik erlauben.

Schau mal:
more (915b):
C:\>perl -MMath::BigFloat -E "$x=Math::BigFloat->new('0.0'); for(1..100) { say $x += '0.1';}"
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
9
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10

Last edited: 2013-09-19 17:54:17 +0200 (CEST)

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