Printf - Please help

[kometen]

I have a signed long in the range of -5000 to +5000 representing a temperature between -500,0 to +500,0 degree C

When I try to convert the value to a string using the fprintf it works fine
for values between -500,0 to -1,0. But when my value is -9 (equals -0.9)
the minus sign disappears.


Anyone have the correct printf setup to solve this problem?

Thanks in advance

Poul

[PCM programmer]

Can you post a little demo program ? Then we'll just try it.

Also post your compiler version and the PIC you're using.

[SherpaDoug]

Here is what I had to do recently:

[kometen]

Yes, there ought to be a better way.

I am using pcwh 3.216 .

My code:
int tanktoshow;
signed long temperature[20];
char string [20];

tanktoshow=1;

I am using this line to load the signed long 'temperature[tanktoshow]' to

sprintf(string,"%3.3Ld.%01Ld",temperature[tanktoshow]/10,temperature[tanktoshow]%100);


I want to have a readout with 1 decimal.
At values of 250, -250, 99,-99,9,-9 the minus sign works perfectly.


but at values -0.9, .. to -0.1 the minus sign is not added to the string.


Any nice solution is appreciated


best regards

Poul