From: "Campbell, Rolf [SKY:1U32:EXCH]" <cp1v45 AT americasm01 DOT nt DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Forming a float from 4 seperate bytes
Date: Tue, 27 Jul 1999 16:12:35 -0400
Organization: Nortel Networks
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To: djgpp AT delorie DOT com
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jsc AT lds DOT co DOT uk wrote:

> However I want
> to unload the file to a buffer and then start parsing. I've done the reading
> into the buffer, but now I don't know how to reform my float from the data, I
> tried  taking the 4 values and &-ing them together, but that doesn't work as
> the final value I'm after is a float and I get an operand error. Any ideas on
> how to take 4 integers and form the float? I'm surre it's easy but I can't
> get it to work. Thanks Chris  jsc AT lds DOT co DOT uk

    Once you have it in the buffer, and you find the beginning of the float:

char* buffer;  //must malloc after.

if the float is at buffer[100], then use
float val = *(float*)(buffer+100);

--
     -Rolf Campbell (39)3-6318