3 SUBPROGRAM SPECIFICATIONS

  SLA_ADDET—Add E-terms of Aberration
  SLA_AFIN—Sexagesimal character string to angle
  SLA_AIRMAS—Air Mass
  SLA_ALTAZ—Velocities etc. for Altazimuth Mount
  SLA_AMP—Apparent to Mean
  SLA_AMPQK—Quick Apparent to Mean
  SLA_AOP—Apparent to Observed
  SLA_AOPPA—Appt-to-Obs Parameters
  SLA_AOPPAT—Update Appt-to-Obs Parameters
  SLA_AOPQK—Quick Appt-to-Observed
  SLA_ATMDSP—Atmospheric Dispersion
  SLA_AV2M—Rotation Matrix from Axial Vector
  SLA_BEAR—Direction Between Points on a Sphere
  SLA_CAF2R—Deg,Arcmin,Arcsec to Radians
  SLA_CALDJ—Calendar Date to MJD
  SLA_CALYD—Calendar to Year, Day
  SLA_CC2S—Cartesian to Spherical
  SLA_CC62S—Cartesian 6-Vector to Spherical
  SLA_CD2TF—Days to Hour,Min,Sec
  SLA_CLDJ—Calendar to MJD
  SLA_CLYD—Calendar to Year, Day
  SLA_COMBN—Next Combination
  SLA_CR2AF—Radians to Deg,Arcmin,Arcsec
  SLA_CR2TF—Radians to Hour,Min,Sec
  SLA_CS2C—Spherical to Cartesian
  SLA_CS2C6—Spherical Pos/Vel to Cartesian
  SLA_CTF2D—Hour,Min,Sec to Days
  SLA_CTF2R—Hour,Min,Sec to Radians
  SLA_DAF2R—Deg,Arcmin,Arcsec to Radians
  SLA_DAFIN—Sexagesimal character string to angle
  SLA_DAT—TAIUTC
  SLA_DAV2M—Rotation Matrix from Axial Vector
  SLA_DBEAR—Direction Between Points on a Sphere
  SLA_DBJIN—Decode String to B/J Epoch (DP)
  SLA_DC62S—Cartesian 6-Vector to Spherical
  SLA_DCC2S—Cartesian to Spherical
  SLA_DCMPF—Interpret Linear Fit
  SLA_DCS2C—Spherical to Cartesian
  SLA_DD2TF—Days to Hour,Min,Sec
  SLA_DE2H—h, δ to Az,El
  SLA_DEULER—Euler Angles to Rotation Matrix
  SLA_DFLTIN—Decode a Double Precision Number
  SLA_DH2E—Az,El to h, δ
  SLA_DIMXV—Apply 3D Reverse Rotation
  SLA_DJCAL—MJD to Gregorian for Output
  SLA_DJCL—MJD to Year,Month,Day,Frac
  SLA_DM2AV—Rotation Matrix to Axial Vector
  SLA_DMAT—Solve Simultaneous Equations
  SLA_DMOON—Approx Moon Pos/Vel
  SLA_DMXM—Multiply 3 × 3 Matrices
  SLA_DMXV—Apply 3D Rotation
  SLA_DPAV—Position-Angle Between Two Directions
  SLA_DR2AF—Radians to Deg,Min,Sec,Frac
  SLA_DR2TF—Radians to Hour,Min,Sec,Frac
  SLA_DRANGE—Put Angle into Range ±π
  SLA_DRANRM—Put Angle into Range 0 2π
  SLA_DS2C6—Spherical Pos/Vel to Cartesian
  SLA_DS2TP—Spherical to Tangent Plane
  SLA_DSEP—Angle Between 2 Points on Sphere
  SLA_DSEPV—Angle Between 2 Vectors
  SLA_DT—Approximate ET minus UT
  SLA_DTF2D—Hour,Min,Sec to Days
  SLA_DTF2R—Hour,Min,Sec to Radians
  SLA_DTP2S—Tangent Plane to Spherical
  SLA_DTP2V—Tangent Plane to Direction Cosines
  SLA_DTPS2C—Plate centre from ξ, η and α, δ
  SLA_DTPV2C—Plate centre from ξ, η and x, y, z
  SLA_DTT—TT minus UTC
  SLA_DV2TP—Direction Cosines to Tangent Plane
  SLA_DVDV—Scalar Product
  SLA_DVN—Normalize Vector
  SLA_DVXV—Vector Product
  SLA_E2H—h, δ to Az,El
  SLA_EARTH—Approx Earth Pos/Vel
  SLA_ECLEQ—Ecliptic to Equatorial
  SLA_ECMAT—Form α, δ λ, β Matrix
  SLA_ECOR—RV & Time Corrns to Sun
  SLA_EG50—B1950 α, δ to Galactic
  SLA_EL2UE—Conventional to Universal Elements
  SLA_EPB—MJD to Besselian Epoch
  SLA_EPB2D—Besselian Epoch to MJD
  SLA_EPCO—Convert Epoch to B or J
  SLA_EPJ—MJD to Julian Epoch
  SLA_EPJ2D—Julian Epoch to MJD
  SLA_EPV—Earth Position & Velocity (high accuracy)
  SLA_EQECL—J2000 α, δ to Ecliptic
  SLA_EQEQX—Equation of the Equinoxes
  SLA_EQGAL—J2000 α, δ to Galactic
  SLA_ETRMS—E-terms of Aberration
  SLA_EULER—Rotation Matrix from Euler Angles
  SLA_EVP—Earth Position & Velocity
  SLA_FITXY—Fit Linear Model to Two [x, y] Sets
  SLA_FK425—FK4 to FK5
  SLA_FK45Z—FK4 to FK5, no P.M. or Parallax
  SLA_FK524—FK5 to FK4
  SLA_FK52H—FK5 to Hipparcos
  SLA_FK54Z—FK5 to FK4, no P.M. or Parallax
  SLA_FK5HZ—FK5 to Hipparcos, no P.M.
  SLA_FLOTIN—Decode a Real Number
  SLA_GALEQ—Galactic to J2000 α, δ
  SLA_GALSUP—Galactic to Supergalactic
  SLA_GE50—Galactic to B1950 α, δ
  SLA_GEOC—Geodetic to Geocentric
  SLA_GMST—UT to GMST
  SLA_GMSTA—UT to GMST (extra precision)
  SLA_GRESID—Gaussian Residual
  SLA_H2E—Az,El to h, δ
  SLA_H2FK5—Hipparcos to FK5
  SLA_HFK5Z—Hipparcos to FK5, no P.M.
  SLA_IMXV—Apply 3D Reverse Rotation
  SLA_INTIN—Decode an Integer Number
  SLA_INVF—Invert Linear Model
  SLA_KBJ—Select Epoch Prefix
  SLA_M2AV—Rotation Matrix to Axial Vector
  SLA_MAP—Mean to Apparent
  SLA_MAPPA—Mean to Apparent Parameters
  SLA_MAPQK—Quick Mean to Apparent
  SLA_MAPQKZ—Quick Mean-Appt, no PM etc.
  SLA_MOON—Approx Moon Pos/Vel
  SLA_MXM—Multiply 3 × 3 Matrices
  SLA_MXV—Apply 3D Rotation
  SLA_NUT—Nutation Matrix
  SLA_NUTC—Nutation Components
  SLA_NUTC80—Nutation Components, IAU 1980
  SLA_OAP—Observed to Apparent
  SLA_OAPQK—Quick Observed to Apparent
  SLA_OBS—Observatory Parameters
  SLA_PA—h, δ to Parallactic Angle
  SLA_PAV—Position-Angle Between Two Directions
  SLA_PCD—Apply Radial Distortion
  SLA_PDA2H—H.A. for a Given Azimuth
  SLA_PDQ2H—H.A. for a Given P.A.
  SLA_PERMUT—Next Permutation
  SLA_PERTEL—Perturbed Orbital Elements
  SLA_PERTUE—Perturbed Universal Elements
  SLA_PLANEL—Planet Position from Elements
  SLA_PLANET—Planetary Ephemerides
  SLA_PLANTE—[α, δ] of Planet from Elements
  SLA_PLANTU—[α, δ] from Universal Elements
  SLA_PM—Proper Motion
  SLA_POLMO—Polar Motion
  SLA_PREBN—Precession Matrix (FK4)
  SLA_PREC—Precession Matrix (FK5)
  SLA_PRECES—Precession
  SLA_PRECL—Precession Matrix (latest)
  SLA_PRENUT—Precession-Nutation Matrix
  SLA_PV2EL—Orbital Elements from Position/Velocity
  SLA_PV2UE—Position/Velocity to Universal Elements
  SLA_PVOBS—Observatory Position & Velocity
  SLA_PXY—Apply Linear Model
  SLA_RANDOM—Random Number
  SLA_RANGE—Put Angle into Range ±π
  SLA_RANORM—Put Angle into Range 0 2π
  SLA_RCC—Barycentric Coordinate Time
  SLA_RDPLAN—Apparent [α, δ] of Planet
  SLA_REFCO—Refraction Constants
  SLA_REFCOQ—Refraction Constants (fast)
  SLA_REFRO—Refraction
  SLA_REFV—Apply Refraction to Vector
  SLA_REFZ—Apply Refraction to ZD
  SLA_RVEROT—RV Corrn to Earth Centre
  SLA_RVGALC—RV Corrn to Galactic Centre
  SLA_RVLG—RV Corrn to Local Group
  SLA_RVLSRD—RV Corrn to Dynamical LSR
  SLA_RVLSRK—RV Corrn to Kinematical LSR
  SLA_S2TP—Spherical to Tangent Plane
  SLA_SEP—Angle Between 2 Points on Sphere
  SLA_SEPV—Angle Between 2 Vectors
  SLA_SMAT—Solve Simultaneous Equations
  SLA_SUBET—Remove E-terms
  SLA_SUPGAL—Supergalactic to Galactic
  SLA_SVD—Singular Value Decomposition
  SLA_SVDCOV—Covariance Matrix from SVD
  SLA_SVDSOL—Solution Vector from SVD
  SLA_TP2S—Tangent Plane to Spherical
  SLA_TP2V—Tangent Plane to Direction Cosines
  SLA_TPS2C—Plate centre from ξ, η and α, δ
  SLA_TPV2C—Plate centre from ξ, η and x, y, z
  SLA_UE2EL—Universal to Conventional Elements
  SLA_UE2PV—Pos/Vel from Universal Elements
  SLA_UNPCD—Remove Radial Distortion
  SLA_V2TP—Direction Cosines to Tangent Plane
  SLA_VDV—Scalar Product
  SLA_VN—Normalize Vector
  SLA_VXV—Vector Product
  SLA_WAIT—Time Delay
  SLA_XY2XY—Apply Linear Model to an [x, y]
  SLA_ZD—h, δ to Zenith Distance