ATAN2(3F)               COMMAND REFERENCE               ATAN2(3F)



NAME
     atan2, datan2 - FORTRAN arctangent intrinsic function

SYNOPSIS
     real r1, r2, r3
     double precision dp1, dp2, dp3

     r3 = atan2(r1, r2)

     dp3 = datan2(dp1, dp2)
     dp3 = atan2(dp1, dp2)

DESCRIPTION
     Atan2 returns the arctangent of arg1/arg2 as a real value.
     Datan2 returns the double-precision arctangent of its
     double-precision arguments.  The generic form atan2 may be
     used with impunity with double-precision arguments.

SEE ALSO
     sin(3m).



































Printed 5/12/88                                                 1

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