Function qt_core::q_acos

source · 
pub unsafe fn q_acos(v: c_double) -> c_double
Expand description

Returns the arccosine of v as an angle in radians. Arccosine is the inverse operation of cosine.

Calls C++ function: double qAcos(double v).

C++ documentation:

Returns the arccosine of v as an angle in radians. Arccosine is the inverse operation of cosine.

See also qAtan(), qAsin(), and qCos().