Astronomy Library - Precession/Nutation/Polar MotionThis is the index page for the Precession/Nutation/Polar Motion section of the Astronomy Library for SOFA Library Issue 2012-03-01 for ANSI C. The Precession/Nutation/Polar Motion section includes the following routines:
| Bi00 | — | Frame bias components, IAU 2000 |
| Bp00 | — | Frame bias and precession matrices, IAU 2000 |
| Bp06 | — | Frame bias and precession matrices, IAU 2006 |
| Bpn2xy | — | Bias-precession-nutation matrix given CIP |
| C2i00a | — | Celestial-to-intermediate matrix, IAU 2000A |
| C2i00b | — | Celestial-to-intermediate matrix, IAU 2000B |
| C2i06a | — | Celestial-to-intermediate matrix, IAU 2006/2000A |
| C2ibpn | — | Celestial-to-intermediate matrix given B-P-N |
| C2ixy | — | Celestial-to-intermediate matrix given CIP |
| C2ixys | — | Celestial-to-intermediate matrix given CIP and s |
| C2t00a | — | Celestial-to-terrestrial matrix, IAU 2000A |
| C2t00b | — | Celestial-to-terrestrial matrix, IAU 2000B |
| C2t06a | — | Celestial-to-terrestrial matrix, IAU 2006/2000A |
| C2tcio | — | Form CIO-based Celestial-to-terrestrial matrix |
| C2teqx | — | Celestial-to-terrestrial matrix, classical |
| C2tpe | — | Celestial-to-terrestrial matrix given nutation |
| C2txy | — | Celestial-to-terrestrial matrix given CIP |
| Eo06a | — | Equation of the origins, IAU 2006/2000A |
| Eors | — | Equation of the origins, given NPB matrix and s |
| Fw2m | — | Fukushima-Williams angles to r-matrix |
| Fw2xy | — | Fukushima-Williams angles to X,Y |
| Num00a | — | Nutation matrix, IAU 2000A |
| Num00b | — | Nutation matrix, IAU 2000B |
| Num06a | — | Nutation matrix, IAU 2006/2000A |
| Numat | — | Nutation matrix, generic |
| Nut00a | — | Nutation, IAU 2000A |
| Nut00b | — | Nutation, IAU 2000B |
| Nut06a | — | Nutation, IAU 2006/2000A |
| Nut80 | — | Nutation, IAU 1980 |
| Nutm80 | — | Nutation matrix, IAU 1980 |
| Obl06 | — | Mean obliquity, IAU 2006 |
| Obl80 | — | Mean obliquity, IAU 1980 |
| Pb06 | — | Zeta, z, theta precession angles, IAU 2006, including bias |
| Pfw06 | — | Bias-precession Fukushima-Williams angles, IAU 2006 |
| Pmat00 | — | Precession matrix (including frame bias), IAU 2000 |
| Pmat06 | — | Precession matrix (including frame bias), IAU 2006 |
| Pmat76 | — | Precession matrix, IAU 1976 |
| Pn00 | — | B,P,N matrices, IAU 2000, given nutation |
| Pn00a | — | B,P,N matrices, IAU 2000A |
| Pn00b | — | B,P,N matrices, IAU 2000B |
| Pn06 | — | Bias precession nutation results, IAU 2006 |
| Pn06a | — | Bias precession nutation results, IAU 2006/2000A |
| Pnm00a | — | Classical NPB matrix, IAU 2000A |
| Pnm00b | — | Classical NPB matrix, IAU 2000B |
| Pnm06a | — | Classical NPB matrix, IAU 2006/2000A |
| Pnm80 | — | Precession/nutation matrix, IAU 1976/1980 |
| P06e | — | Precession angles, IAU 2006, equinox based |
| Pom00 | — | Polar-motion matrix, IAU 2000 |
| Pr00 | — | Adjustments to IAU 1976 precession, IAU 2000 |
| Prec76 | — | Precession, IAU 1976 |
| S00 | — | The CIO locator s, given X,Y, IAU 2000 |
| S00a | — | The CIO locator s, IAU 2000A |
| S00b | — | The CIO locator s, IAU 2000B |
| S06 | — | The CIO locator s, given X,Y, IAU 2006 |
| S06a | — | The CIO locator s, IAU 2006/2000A |
| Sp00 | — | The TIO locator s', IERS 2003 |
| Xy06 | — | CIP, IAU 2006/2000A, from series |
| Xys00a | — | CIP and s, IAU 2000A |
| Xys00b | — | CIP and s, IAU 2000B |
| Xys06a | — | CIP and s, IAU 2006/2000A |