SHIP:Sail:atan

Function	Returns	Introduced	Description
atan	Float	v5.0.204	Calculates the radian angle of the specified value

See Also:

• Sail Home
• Sail Functions
• Sail Numeric Functions
• Sail Trigonometric Functions

Prototype

Float atan(Float value);

Parameters/Return Value

Parameter	Data Type	Description
value	Float	the value to take the arctan of
Return	Float	atan(value)

Detailed Description

The atan() function returns the arctan of the supplied value in radians. If you want to return an angle in degrees you can use toDegrees(atan(value))

Examples

Example	Result	Notes
toDegrees(atan(-1));	-45
toDegrees(atan(sqrt(3)));	60
toDegrees(atan(sqrt(3)/3));	30
toDegrees(atan(1000000f));	90