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Question about Printf

 
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pilar



Joined: 30 Jan 2008
Posts: 197

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Question about Printf
PostPosted: Mon Jan 23, 2017 12:50 pm     Reply with quote

Hi,

I can use printf to have: value = 00.00?

With this code only I am obtaining: value = 0.00
Code:
float i=0.0

printf ("value = %02.2f");
Ttelmah



Joined: 11 Mar 2010
Posts: 19440

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PostPosted: Mon Jan 23, 2017 1:09 pm     Reply with quote

In 'C', the value in front of the decimal in all printf format statements, is the _total field width_, not digits in front of the decimal.
It is therefore always overflowing the specified width (.00, is three characters), so switches to the default of showing one digit in front of the decimal.
You need %05.2F to give two digits in front of the decimal.
pilar



Joined: 30 Jan 2008
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PostPosted: Mon Jan 23, 2017 1:52 pm     Reply with quote

Thank you!
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