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- ! Subprograms for the conversion of angles.
- module mod_angles
- contains
-
- function ang360(ang)
- ! Maps arbitrary angle to [0, 360) degrees.
- real ang360
- real, intent(in) :: ang
- ang360 = mod(ang, 360.0) - (sign(1.0,ang)-1.0)*180.0
- end function ang360
- function ang180(ang)
- ! Maps arbitrary angle to [-180, 180) degrees.
- ! Use this whenever two angles are subtracted.
- ! Requires ang360.
- real ang180
- real, intent(in) :: ang
- ang180 = ang360(ang)
- ang180 = ang180 - 180.0*(sign(1.0,ang180-180.0)+1.0)
- end function ang180
- end module mod_angles
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