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Questionconneting to sql server 2000 or mysql 5.0 through c++ on windows platform Pin
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QuestionHow to send double value as 8 uint8 values?? Pin
cahit2316-Aug-06 2:17
Membercahit2316-Aug-06 2:17 
Hi all,

I am currently working on Serial Interface between a control box and PC and want to send/receive double values from Pc to the box as 8 uint8 values since the box only accepts in uint8 form.

For that i thought as follows : to get that double value (64 bits) in binary form and get the last 8 bits with &(and) operator and shifting bits to right till all bits are finished,namely :

double var;
char var2send[8]; % in array

var2send[0]= var & 0x00000000000000ff % last 8 bits with & operator
var>>8; %shifting bits
var2send[1]= var & 0x00000000000000ff
var>>8;
.
. % and sending this array as output
.
But in this code, i received an error that says i cant use double with & operators so that must be converted 64 bit long form!! How can i manage to do this?? or anyone has better way or suggestion?

I hope i could clearly explain my problem.

I would be very pleased if you could help me!

Thanks a lot!

Cahit
AnswerRe: How to send double value as 8 uint8 values?? Pin
Christian Graus16-Aug-06 3:25
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QuestionGraphics::FromImage Pin
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QuestionReceiving A Byte Array from dll? [modified] Pin
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Questionpixil detection? Pin
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QuestionHow can i use dll function in c++.net ? please help . Pin
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