SYNOPSIS

float

atan2

(

int|float y,

int|float x

)

DESCRIPTION

Returns the angle part of the polar coordinates of the point (x, y) in the range (-pi, pi).

Note the exchange of the coordinates x and y in the parameter list reflecting the sequence in the gradient to angle transformation atan(y / x).

HISTORY

• changed (3.2.9) – added integers as arguments

SEE ALSO

sin(E), cos(E), tan(E), asin(E), acos(E), atan(E)