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Re: Double-precision floating point arithmetics behaves differently in G
From: |
tomas |
Subject: |
Re: Double-precision floating point arithmetics behaves differently in Guile and in C |
Date: |
Sun, 26 Sep 2021 14:57:52 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Sun, Sep 26, 2021 at 10:45:51AM +0200, Panicz Maciej Godek wrote:
> Hi,
>
> I recently ran into a very weird problem. I am using code for computing
> Singular Value Decomposition that's been ported do Scheme by Gerald Sussman
> as a part of the scmutils package (more specifically, I use some bits of
> code extracted from guile-scmutils
Hm. A couple of things to check would be: your C code is using "double"
floats (the Guile manual says the inexacts are `doubles')? Are your Guile
(what's its version anyway) and C program compiled for the same platform
(i.e. word width)?
Cheers
- t
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