std::round, std::lround, std::llround

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Defined in header <cmath>

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int round( float arg );

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int round( double arg );

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int round( long double arg );

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long lround( float arg );

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long lround( double arg );

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long lround( long double arg );

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long long llround( float arg );

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long long llround( double arg );

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long long llround( long double arg );

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Computes nearest integer to arg. Number is rounded away from zero in halfway cases

arg

-

floating point value

nearest integer to arg.

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