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| 1 | [ yet another pi calculation program in bf
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| 2 |
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| 3 | Just like for pi16.b the accuracy of the result depends on the cellsize:
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| 4 |
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| 5 | - using 8 bit cells causes an overflow after 4 digits
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| 6 | - using 16 bit cells causes an overflow after 537 digits
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| 7 | - using 32 bit cells causes an overflow after several millions of digits
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| 8 |
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| 9 | It's about ~38 times shorter than pi16.b, ~364 times faster and works with
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| 10 | not-wrapping (bignum) implementations.
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| 11 |
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| 12 | by Felix Nawothnig (felix.nawothnig@t-online.de) ]
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| 13 |
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| 14 | > +++++ +++++ +++++ (15 digits)
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| 15 |
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| 16 | [<+>>>>>>>>++++++++++<<<<<<<-]>+++++[<+++++++++>-]+>>>>>>+[<<+++[>>[-<]<[>]<-]>>
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| 17 | [>+>]<[<]>]>[[->>>>+<<<<]>>>+++>-]<[<<<<]<<<<<<<<+[->>>>>>>>>>>>[<+[->>>>+<<<<]>
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| 18 | >>>>]<<<<[>>>>>[<<<<+>>>>-]<<<<<-[<<++++++++++>>-]>>>[<<[<+<<+>>>-]<[>+<-]<++<<+
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| 19 | >>>>>>-]<<[-]<<-<[->>+<-[>>>]>[[<+>-]>+>>]<<<<<]>[-]>+<<<-[>>+<<-]<]<<<<+>>>>>>>
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| 20 | >[-]>[<<<+>>>-]<<++++++++++<[->>+<-[>>>]>[[<+>-]>+>>]<<<<<]>[-]>+>[<<+<+>>>-]<<<
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| 21 | <+<+>>[-[-[-[-[-[-[-[-[-<->[-<+<->>]]]]]]]]]]<[+++++[<<<++++++++<++++++++>>>>-]<
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| 22 | <<<+<->>>>[>+<<<+++++++++<->>>-]<<<<<[>>+<<-]+<[->-<]>[>>.<<<<[+.[-]]>>-]>[>>.<<
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| 23 | -]>[-]>[-]>>>[>>[<<<<<<<<+>>>>>>>>-]<<-]]>>[-]<<<[-]<<<<<<<<]++++++++++.
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