std::atan – cppreference.com

std::atan

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<tbody> </tbody>
definiert in Header <cmath>
float atan( float arg );
double atan( double arg );
long double atan( long double arg );
double atan( Integral arg );
 (seit C++11)
Berechnet Arcustangens arg
Original:
Computes arc tangent of arg
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Parameter

arg -
Floating-Point-Wert
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floating point value
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Rückgabewert

Arcustangens arg im Bogenmaß im Bereich von [-π/2; π/2] Bogenmaß .
Original:
arc tangent of arg in radians in the range of [-π/2; π/2] radians.
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Siehe auch