dtan man page on IRIX

dtan man page on IRIX

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TAN(3F)								       TAN(3F)

NAME
     tan, dtan, qtan, tand, dtand, qtand - FORTRAN tangent intrinsic function

SYNOPSIS
     real r1, r2
     double precision dp1, dp2
     real*16 qp1, qp2
     real*4 r3, r4
     real*8 dp3, dp4
     real*16 qp3, qp4

     r2 = tan(r1)

     dp2 = dtan(dp1)
     dp2 = tan(dp1)

     qp2 = qtan(qp1)
     qp2 = tan(qp1)

     r4 = tand(r3)

     dp4 = dtand(dp3)
     dp4 = tand(dp3)

     qp4 = qtand(qp3)
     qp4 = tand(qp3)

DESCRIPTION
     tan returns the real tangent of its real argument, dtan returns the
     double-precision tangent of its double-precision argument, and qtan
     returns the real*16 tangent of its real*16 argument.  The argument for
     tan, dtan, and qtan must be in radians and is treated modulo 2*Pi.

     The generic tan function becomes dtan as required with a double-precision
     argument, and qtan as required with a real*16 argument.

     tand returns the real*4 tangent of its real*4 argument.  The argument for
     tand must be in degrees and is treated modulo 360.	 dtand returns the
     real*8 tangent of its real*8 argument.  qtand returns the real*16 tangent
     of its real*16 argument.  The generic tand function becomes dtand as
     required with a real*8 argument, and qtand as required with a real*16
     argument.

SEE ALSO
     trig(3M).

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