Leibniz_Pi.py

[JXStern]

On 12 Oct 2002 07:14:45 GMT, bokr at oz.net (Bengt Richter) wrote:

>[ 0:01] C:\pywk\pi>pisigint.py
>(Type Ctrl-C to stop generating pi)
>   50  4085.12 dig/sec  31415926535897932384626433832795028841971693993751
>  100  3292.99 dig/sec  05820974944592307816406286208998628034825342117067
>  150  2422.61 dig/sec  98214808651328230664709384460955058223172535940812
>  200  1851.27 dig/sec  84811174502841027019385211055596446229489549303819
>  250  1473.79 dig/sec  64428810975665933446128475648233786783165271201909
>  300  1277.74 dig/sec  14564856692346034861045432664821339360726024914127
>  350  1087.28 dig/sec  37245870066063155881748815209209628292540917153643
>  400  1003.15 dig/sec  67892590360011330530548820466521384146951941511609
>  450   852.50 dig/sec  43305727036575959195309218611738193261179310511854
>  500   742.55 dig/sec  80744623799627495673518857527248912279381830119491
>  550   666.12 dig/sec  29833673362440656643086021394946395224737190702179
>  600   624.75 dig/sec  86094370277053921717629317675238467481846766940513
>  650   595.61 dig/sec  20005681271452635608277857713427577896091736371787
>  700   535.77 dig/sec  21468440901224953430146549585371050792279689258923
>  750   501.08 dig/sec  54201995611212902196086403441815981362977477130996
>  800   470.28 dig/sec  05187072113499999983729780499510597317328160963185
>  850   436.58 dig/sec  95024459455346908302642522308253344685035261931188
>  900   333.36 dig/sec  17101000313783875288658753320838142061717766914730
>  950   363.52 dig/sec  35982534904287554687311595628638823537875937519577
>                        818577805321712
...

This looks great, has anybody checked the digits against a reference?
All the possible sources of error, slip a bit somewhere and all the
downstream stuff (at least within a set of 50) would go bogus.

J.