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I'm using an Atmel ATmega32 with CodeVisionAVR. I checked the settings, and what do you know, yes, the default setting does NOT allow printf to output floats. So, I turned it on, and... "Evaluation...

Weird. I just copied your code into my compiler and onto the microcontroller, and all I got was "output =", no number after. I have no idea what is wrong.

Okay, I tried this code:




char number[4];
float output;

while(1)
{

Thanks swoopy, I was not including string.h. I included it, and then tried this code:



char number[4];
float float_number;

while(1)
{
number[0]=0x3F;

I can't get either of these solutions to work. I tried this code:



char number[4];
sizeof(float)==4;

while (1)
{
number[0]=0x3F;

Thanks, will give it a try!

If I have an array, number[4], of these values:

number[0]=0x3F
number[1]=0xC7
number[2]=0xAE
number[3]=0x14

I want to use a printf(%f) statement to combine this array into a single number...