spec_atan {tectonicr}

Quadrant-specific inverse of the tangent

Description

Returns the quadrant specific inverse of the tangent

Usage

atan2_spec(x, y)

atan2d_spec(x, y)

Arguments

x, y

dividend and divisor that comprise the sum of sines and cosines, respectively.

Value

numeric.

References

Jammalamadaka, S. Rao, and Ambar Sengupta (2001). Topics in circular statistics. Vol. 5. world scientific.