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Manual Reference Pages  - atan2d (3)

NAME
atan2d(3f) - [M_units:TRIGONOMETRY] calculate arctangent of the complex number X + i Y (LICENSE:PD)

CONTENTS

Synopsis
Description
Options
Example
Author
License

SYNOPSIS
elemental real function atan2d(x,y) 

    class(*),intent(in) :: x
    class(*),intent(in) :: y

DESCRIPTION
Calculate arctangent of arctangent of the complex number 

      X + i Y.
in degrees. It calls atan2(3f) and converts the output from radians to degrees.

OPTIONS
X any standard scalar value supported by anyscalar_to_double(3f)
Y any standard scalar value supported by anyscalar_to_double(3f)

EXAMPLE
Sample program: 

          program demo_atan2d
          use M_units, only : atan2d
          real(4) :: x = 1.e0_4, y = 0.5e0_4
            write(*,*)atan2d(y,x)
          end program demo_atan2d
Results: 

      26.5650501

AUTHOR
John S. Urban

LICENSE
Public Domain

atan2d (3) October 17, 2020
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