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RE: Set value to a custom significance. (no display)
From: |
John W. Eaton |
Subject: |
RE: Set value to a custom significance. (no display) |
Date: |
Tue, 2 Mar 2010 09:04:09 -0500 |
On 2-Mar-2010, Joris Spekreijse wrote:
| We are trying two things for our project to convert a MatLab formula into C
for an MPU.
| First thing is to see what happens when we use less bits and different fixed
point settings for value in our formula. I am going to solve this with some old
fashioned bit shifting.
| Secondly we have strong (do not know the English term) significance. When a
measurement device has a significance of 3 it is wrong to have an answer with a
significance of 4 and use this result in further calculations. In that case the
rounding trick should do his work.
If you want to use fixed-point arithmetic, then you might want to look
at the "fixed" package in Octave Forge:
http://octave.sourceforge.net/packages.php
jwe