float r1 = radians(90);
float r2 = radians(180);
println(r1); // Prints "1.5707964"
println(r2); // Prints "3.1415927"
float d1 = degrees(PI);
float d2 = degrees(TWO_PI);
println(d1); // Prints "180.0"
println(d2); // Prints "360.0"