| 1 | PAL Library
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| 2 |
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| 3 | The Starlink Positional Astronomy Library (PAL) is a C implementation of the
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| 4 | SLALIB API. It is distributed under the GPL and uses the SOFA library wherever
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| 5 | possible.
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| 6 |
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| 7 | V0.9.3
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| 8 |
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| 9 | - Fix value of small in palFk524. Typo in port from Fortran
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| 10 | had removed the "e" in the number. Thanks to @danielsf.
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| 11 |
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| 12 | - Add test for palFk524
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| 13 |
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| 14 | V0.9.2
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| 15 |
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| 16 | Thanks to Github user @nega0 for some BSD build fixes.
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| 17 |
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| 18 | More STARCONF_DEFAULT_PREFIX fixes for Scons file and for
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| 19 | document building.
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| 20 |
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| 21 | New configure option: --with-erfa to allow the ERFA
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| 22 | root location to be specified.
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| 23 |
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| 24 | V0.9.1
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| 25 |
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| 26 | Now checks for STARCONF_DEFAULT_PREFIX environment variable
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| 27 | when deciding whether a Starlink environment is present. This
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| 28 | was more reliable than checking for STARLINK_DIR.
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| 29 |
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| 30 | V0.9.0
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| 31 |
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| 32 | Add palPcd and palUnpcd
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| 33 |
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| 34 | V0.8.0
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| 35 |
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| 36 | Add palEcleq
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| 37 |
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| 38 | V0.7.0
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| 39 |
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| 40 | Add palPolmo.
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| 41 |
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| 42 | V0.6.0
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| 43 |
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| 44 | New function, palVers, provides API access to the PAL
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| 45 | version number as a string or integer.
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| 46 |
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| 47 | V0.5.1
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| 48 |
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| 49 | The configure script was getting confused if run outside of
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| 50 | Starlink without using --without-starlink. This was because
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| 51 | $STARLINK is set in the script if it is not set and the
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| 52 | configure script was assuming $STARLINK would be unset
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| 53 | outside of a Starlink environment. The configure script
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| 54 | now keys off $STARLINK_DIR but that may interact badly
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| 55 | if STARLINK_DIR is set and --without-starlink is used.
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| 56 |
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| 57 | An experimental SConstruct build script is now available
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| 58 | for users of scons.
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| 59 |
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| 60 | SUN/267 has been synced up with the associated source files.
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| 61 |
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| 62 | palIntin now respects the isblank configure check (as it
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| 63 | should have done all along).
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| 64 |
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| 65 | Minor clean ups of some source prologues.
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| 66 |
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| 67 | V0.5.0
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| 68 |
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| 69 | Now works with ERFA <https://github.com/liberfa/erfa>.
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| 70 | The configure script has been modified to first check
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| 71 | for ERFA and then check for SOFA.
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| 72 |
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| 73 | V0.4.0
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| 74 |
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| 75 | New routines ported from SLA: palRefv, palAtmdsp
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| 76 | New routine inherited from SOFA: palRefcoq
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| 77 |
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| 78 | Minimum SOFA version now 2013-12-02
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| 79 |
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| 80 | palObs: Now includes telescope positions for APEX and NANTEN2
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| 81 |
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| 82 | The autotools build scripts now require autoconf version 2.69.
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| 83 |
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| 84 | Thanks to Github user @nega0 for some BSD build fixes.
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| 85 |
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| 86 | A subset of the routines have been relicensed using LGPL
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| 87 | to allow them to be included in the AST library. Thanks to
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| 88 | Patrick Wallace for giving this permission.
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| 89 |
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| 90 | A paper on PAL has been published at ADASS:
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| 91 | http://adsabs.harvard.edu/abs/2013ASPC..475..307J
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| 92 |
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| 93 | V0.3.0
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| 94 |
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| 95 | Add refraction code and support palOap and palAop. For closer compatibility
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| 96 | with SLA for testing purposes the refraction routines internally use
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| 97 | clones of slaNutc, slaEqeqx, slaGmst and slaGeoc. Once the code has
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| 98 | been verified further the PAL/SOFA routines will be used instead. Switching
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| 99 | routines seems to change the results in palTest by about 0.05 arcsec.
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| 100 |
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| 101 | V0.2.0
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| 102 |
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| 103 | Improve configure script when not in a Starlink build environment. Use
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| 104 |
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| 105 | ./configure --prefix=/path/to/install
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| 106 |
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| 107 | when Starlink is not available and add --without-starlink if Starlink
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| 108 | is present but should not be used.
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| 109 |
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| 110 | V0.1.5
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| 111 |
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| 112 | Explcitly look for libm rather than relying on SOFA to pull it in.
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| 113 |
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| 114 | V0.1.4
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| 115 |
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| 116 | Check for isblank() function and fall back if it is missing.
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| 117 |
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| 118 | V0.1.3
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| 119 |
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| 120 | Improve copysign() detection.
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| 121 |
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| 122 | V0.1.2
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| 123 |
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| 124 | Check for copysign() c99 function and fall back if it is missing.
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| 125 |
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| 126 | V0.1.1
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| 127 |
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| 128 | The palDrange function has been modified so that it now returns +PI if
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| 129 | the supplied angle is +PI (previously, it returned -PI in these cases).
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| 130 |
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| 131 |
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| 132 | V0.1.0
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| 133 |
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| 134 | Initial release with sufficient SLALIB API for AST and the Astro::Coords perl module.
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