| Defined in header <complex> | ||
|---|---|---|
template< class T > complex<T> polar( const T& r, const T& theta = 0 ); |
Returns a complex number with magnitude r and phase angle theta.
The behavior is undefined if r is negative or NaN, or if theta is infinite | (since C++17) |
Parameters
| r | - | magnitude |
| theta | - | phase angle |
Return value
a complex number determined by r and theta.
See also
| returns the magnitude of a complex number (function template) | |
| returns the phase angle (function template) |
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