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#include <math.h>long int lroundf(float arg);long int lround(double arg); long int lroundl(long double arg);
lround( ), lroundf( ), and lroundl( ) were added by C99.
The lround( ) family of functions returns the value of arg rounded to the nearest long integer. Values precisely between two values, such as 3.5, are rounded up.
Related functions are llround( ) and round( ).
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