Function qt_core::q_sqrt

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

Returns the square root of v. This function returns a NaN if v is a negative number.

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

C++ documentation:

Returns the square root of v. This function returns a NaN if v is a negative number.

See also qPow().