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Language in C Interview Questions and Answers

Ques. Can we get the remainder of a floating point division ?

Ans. Yes. Although the % operator fails to work on float numbers we can still get the remainder of floating point division by using a function fmod( ). The fmod( ) function divides the two float numbers passed to it as parameters and returns the remainder as a floating-point value. Following program shows fmod( ) function at work.

#include <math.h>

main( )
printf ( "%f", fmod ( 5.15, 3.0 ) ) ;

The above code snippet would give the output as 2.150000.
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