Math question
- Subject: Math question
- From: jean-denis fouks
- Date: Sun, 12 Dec 2004 17:07:43 +0100
Hello,
delevaux eric wrote:
> Hello
> What is the difference between float and bfloat ?
> I mean, what is the differebce between an float number and a bigfloat
> number ?
> Thanks
> Eric
Here is a basic sequence:
(C1) float(%pi);
(D1) 3.141592653589793
(C2) bfloat(%pi);
(D2) 3.141592653589793B0
(C3) float(%pi*10^5);
(D3) 314159.2653589793
(C4) bfloat(%pi*10^5);
(D4) 3.141592653589793B5
(C5) FPPREC:100;
(D5) 100
(C6) float(%pi);
(D6) 3.141592653589793
(C7) bfloat(%pi);
(D7)
3.14159265358979323846264338327950288419716939937510582097494459230781640#
6286208998628034825342117068B0
(C8) FPPREC:5;
(D8) 5
(C9) float(%pi);
(D9) 3.1416
(C10) bfloat(%pi);
(D10) 3.1416B0
(C11) FPPREC:16;
(D11) 16
(C12) float(%pi);
(D12) 3.141592653589793
(C13) bfloat(%pi);
(D13) 3.141592653589793B0
(C14) FPPREC:40;
(D14) 40
(C15) float(%pi);
(D15) 3.141592653589793
(C16) bfloat(%pi);
(D16) 3.141592653589793238462643383279502884197B0
(C17) block([FPPREC:100],bfloat(%pi));
(D17)
3.1415926535897932384626433832795028841971693993751058209749445923078164#
06286208998628034825342117068B0
(C19) bfloat(%pi);
(D19) 3.141592653589793238462643383279502884197B0
Hope this helps.
JDF