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authorRichard-Qin-X <richard.qin.001@gmail.com>2026-06-08 17:10:31 +0800
committerRichard-Qin-X <richard.qin.001@gmail.com>2026-06-08 17:10:31 +0800
commit72af0dedf9e18911da65b9a5c4906689e868d9fc (patch)
tree2ecbad93f96ab8ad7e26dc02cd02d802f853ab97 /rcc-legacy/tests/performance/05_brainfuck-pi-nerf.in
parent8faf6d290d6703b1775e0ad7a8928a4ebea4b11b (diff)
downloadrcc-project-72af0dedf9e18911da65b9a5c4906689e868d9fc.tar.gz
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[legacy] Add functional and performance test suites
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+[ yet another pi calculation program in bf
+
+ Just like for pi16.b the accuracy of the result depends on the cellsize:
+
+ - using 8 bit cells causes an overflow after 4 digits
+ - using 16 bit cells causes an overflow after 537 digits
+ - using 32 bit cells causes an overflow after several millions of digits
+
+ It's about ~38 times shorter than pi16.b, ~364 times faster and works with
+ not-wrapping (bignum) implementations.
+
+ by Felix Nawothnig (felix.nawothnig@t-online.de) ]
+
+>
++++++ +++++ +++++ +++++
++++++ +++++ +++++ +++++
+(40 digits)
+
+[<+>>>>>>>>++++++++++<<<<<<<-]>+++++[<+++++++++>-]+>>>>>>+[<<+++[>>[-<]<[>]<-]>>
+[>+>]<[<]>]>[[->>>>+<<<<]>>>+++>-]<[<<<<]<<<<<<<<+[->>>>>>>>>>>>[<+[->>>>+<<<<]>
+>>>>]<<<<[>>>>>[<<<<+>>>>-]<<<<<-[<<++++++++++>>-]>>>[<<[<+<<+>>>-]<[>+<-]<++<<+
+>>>>>>-]<<[-]<<-<[->>+<-[>>>]>[[<+>-]>+>>]<<<<<]>[-]>+<<<-[>>+<<-]<]<<<<+>>>>>>>
+>[-]>[<<<+>>>-]<<++++++++++<[->>+<-[>>>]>[[<+>-]>+>>]<<<<<]>[-]>+>[<<+<+>>>-]<<<
+<+<+>>[-[-[-[-[-[-[-[-[-<->[-<+<->>]]]]]]]]]]<[+++++[<<<++++++++<++++++++>>>>-]<
+<<<+<->>>>[>+<<<+++++++++<->>>-]<<<<<[>>+<<-]+<[->-<]>[>>.<<<<[+.[-]]>>-]>[>>.<<
+-]>[-]>[-]>>>[>>[<<<<<<<<+>>>>>>>>-]<<-]]>>[-]<<<[-]<<<<<<<<]++++++++++.
+#