-long long llround(double x);
-long long llroundf(float x);
-long long llroundl(long double x);
-long lround(double x);
-long lroundf(float x);
-long lroundl(long double x);
-double round(double x);
-float roundf(float x);
-long double roundl(long double x);
+long long llround( double x );
+long long llroundf( float x );
+long long llroundl( long double x );
+long lround( double x );
+long lroundf( float x );
+long lroundl( long double x );
+double round( double x );
+float roundf( float x );
+long double roundl( long double x );