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Re: [Help-gsl] fread error help

From: Patrick Alken
Subject: Re: [Help-gsl] fread error help
Date: Wed, 27 Mar 2019 16:57:14 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0

I don't see how anyone can help you if you don't provide a minimal 
working example code

On 3/27/19 10:07 AM, Damian Kulec wrote:
> Hi,
> I've downloaded the GNU library because i need to do some matrix arithmetic
> for a program I am writing. First I need to read in a preexisting binary
> file which I then need to process.
> The issue occurs when I call gsl_matrix_fread. Debugging the issue simply
> points me to  ..\block\fwrite_source.c:64, where I get the warning: "ERROR:
> fread failed. Default GSL error handler invoked". I've gone through the GNU
> documentation and any forum I was able to find online referencing this
> specific error. I followed the documentation and the example provided, but
> to no avail.
> The answers I found on the forums were more useless. One answer said to
> "close the pointer to the file after opening it", but that just gave me
> another error: Expression: fh >= 0 && (unsigned)fh < (unsigned)_nhandle.
> Other solutions directed me to make sure I opened the file specifying that
> it's "read-only" and "binary", which I already have done. I can't figure
> out why this function is not working for me.
> Please let me know how to solve this.
> Thank you,
> Damian

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