WSJT-X/libm65/toxyz.f

      subroutine toxyz(alpha,delta,r,vec)

      implicit real*8 (a-h,o-z)
      real*8 vec(3)

      vec(1)=r*cos(delta)*cos(alpha)
      vec(2)=r*cos(delta)*sin(alpha)
      vec(3)=r*sin(delta)

      return
      end

      subroutine fromxyz(vec,alpha,delta,r)

      implicit real*8 (a-h,o-z)
      real*8 vec(3)
      data twopi/6.283185307d0/

      r=sqrt(vec(1)**2 + vec(2)**2 + vec(3)**2)
      alpha=atan2(vec(2),vec(1))
      if(alpha.lt.0.d0) alpha=alpha+twopi
      delta=asin(vec(3)/r)

      return
      end
First good compile with map65a running inside map65. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@334 ab8295b8-cf94-4d9e-aec4-7959e3be5d79 2007-01-11 16:25:52 -05:00			`subroutine toxyz(alpha,delta,r,vec)`

			`implicit real*8 (a-h,o-z)`
			`real*8 vec(3)`

			`vec(1)=rcos(delta)cos(alpha)`
			`vec(2)=rcos(delta)sin(alpha)`
			`vec(3)=r*sin(delta)`

			`return`
			`end`

			`subroutine fromxyz(vec,alpha,delta,r)`

			`implicit real*8 (a-h,o-z)`
			`real*8 vec(3)`
			`data twopi/6.283185307d0/`

			`r=sqrt(vec(1)2 + vec(2)2 + vec(3)**2)`
			`alpha=atan2(vec(2),vec(1))`
			`if(alpha.lt.0.d0) alpha=alpha+twopi`
			`delta=asin(vec(3)/r)`

			`return`
			`end`