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author | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
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committer | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
commit | 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch) | |
tree | 4464880c571602d54f6ae114729bf62a89518057 /sys/mwcs/gen/mwc1tranr.x | |
download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'sys/mwcs/gen/mwc1tranr.x')
-rw-r--r-- | sys/mwcs/gen/mwc1tranr.x | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/mwcs/gen/mwc1tranr.x b/sys/mwcs/gen/mwc1tranr.x new file mode 100644 index 00000000..06ad0bf7 --- /dev/null +++ b/sys/mwcs/gen/mwc1tranr.x @@ -0,0 +1,24 @@ +include "../mwcs.h" + +# MW_C1TRAN -- Optimized 1D coordinate transformation. + +real procedure mw_c1tranr (a_ct, x) + +pointer a_ct #I pointer to CTRAN descriptor +real x #I coordinates in input system + +real y +pointer ct + +begin + # Get real or double version of descriptor. + ct = CT_R(a_ct) + + # Perform the transformation; LNR is a simple linear transformation. + if (CT_TYPE(ct) == LNR) { + return (Memr[CT_LTM(ct)] * x + Memr[CT_LTV(ct)]) + } else { + call mw_ctranr (a_ct, x, y, 1) + return (y) + } +end |