Re: help with the conception of floating point

2006-01-20 Thread Ian Lance Taylor
Eric Fisher <[EMAIL PROTECTED]> writes: > I guess that the macro NGARDS is relevant to the guard digit. But I > still failed to have a clear conception about what it means. Others > are easy to know by IEEE 754 and "What Every Computer Scientist Should > Know about Floating-Point Arithmetic". Exce

help with the conception of floating point

2006-01-19 Thread Eric Fisher
I guess that the macro NGARDS is relevant to the guard digit. But I still failed to have a clear conception about what it means. Others are easy to know by IEEE 754 and "What Every Computer Scientist Should Know about Floating-Point Arithmetic". Except, define NGARDS 8L define GARDROUND 0x7f defin

Re: help with the conception of floating point

2006-01-18 Thread Ben Elliston
> I'm looking at the fp-bit.h, fp-bit.c, and try to understand the > floating point operation simulation. But there are many proper noun > hard to get the conception. Such as You might find the code easier to follow with a quick skim of: "What Every Computer Scientist Should Know about Floating-Po

help with the conception of floating point

2006-01-18 Thread Eric Fisher
Hi, I'm looking at the fp-bit.h, fp-bit.c, and try to understand the floating point operation simulation. But there are many proper noun hard to get the conception. Such as NGARDS IMPLICIT_1 Are there any details or documents about these? Thanks Eric.