The D Programming Language's Unofficial Docs
beta
The D Programming Language's Unofficial Docs
beta
The argument (or phase) of z.
import std.math; assert(arg(complex(1.0)) == 0.0); assert(arg(complex(0.0L, 1.0L)) == PI_2); assert(arg(complex(1.0L, 1.0L)) == PI_4);