1 files changed, 98 insertions, 0 deletions
diff --git a/noao/onedspec/t_lcalib.x b/noao/onedspec/t_lcalib.x
new file mode 100644
index 00000000..92f9a531
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+++ b/noao/onedspec/t_lcalib.x
@@ -0,0 +1,98 @@
+include <ctype.h>
+
+define	VLIGHT	2.997925e18	# Speed of light in Angstroms/sec
+
+# Options
+define	OPTION	"|ext|mags|fnu|flam|bands|stars|"
+define	EXT	1	# Extinction
+define	MAGS	2	# Standard star magnitudes
+define	FNU	3	# Standard star fluxes
+define	FLAM	4	# Standard star fluxes
+define	BANDS	5	# Standard star band passes
+define	STARS	6	# Standard stars
+
+# T_LCALIB -- List information in calibration file:
+#		1) Extinction vs wavelength
+#		2) Magnitude vs wavelength
+#		3) F-nu vs wavelength
+#		4) F-lambda vs wavelength
+#		5) Bandpass vs wavelength
+#		6) Standard stars
+
+procedure t_lcalib ()
+
+int	i, nwaves, fd
+real	fnu, flam, fnuzero
+pointer	sp, str, file, waves, bands, mags, extns
+
+int	getline(), open(), clgwrd()
+real	clgetr()
+errchk	ext_load, getcalib
+
+begin
+	call smark (sp)
+	call salloc (str, SZ_LINE, TY_CHAR)
+	call salloc (file, SZ_LINE, TY_CHAR)
+
+	#Switch on the option.
+	switch (clgwrd ("option", Memc[str], SZ_LINE, OPTION)) {
+	case EXT:
+	    call ext_load (waves, extns, nwaves)
+	    do i = 1, nwaves {
+	        call printf ("%6f %12.5g\n")
+		    call pargr (Memr[waves+i-1])
+		    call pargr (Memr[extns+i-1])
+	    }
+	    call ext_free (waves, extns)
+	case MAGS:
+	    call getcalib (waves, bands, mags, nwaves)
+	    do i = 1, nwaves {
+	        call printf ("%6f %12.5g\n")
+		    call pargr (Memr[waves+i-1])
+		    call pargr (Memr[mags+i-1])
+	    }
+	    call freecalib (waves, bands, mags)
+	case FNU:
+	    fnuzero = clgetr ("fnuzero")
+	    call getcalib (waves, bands, mags, nwaves)
+	    do i = 1, nwaves {
+		fnu = fnuzero * 10. ** (-0.4 * Memr[mags+i-1])
+	        call printf ("%6f %12.5g\n")
+		    call pargr (Memr[waves+i-1])
+		    call pargr (fnu)
+	    }
+	    call freecalib (waves, bands, mags)
+	case FLAM:
+	    fnuzero = clgetr ("fnuzero")
+	    call getcalib (waves, bands, mags, nwaves)
+	    do i = 1, nwaves {
+		fnu = fnuzero * 10. ** (-0.4 * Memr[mags+i-1])
+		flam = fnu * VLIGHT /  Memr[waves+i-1] ** 2
+	        call printf ("%6f %12.5g\n")
+		    call pargr (Memr[waves+i-1])
+		    call pargr (flam)
+	    }
+	    call freecalib (waves, bands, mags)
+	case BANDS:
+	    call getcalib (waves, bands, mags, nwaves)
+	    do i = 1, nwaves {
+	        call printf ("%6f %12.5g\n")
+		    call pargr (Memr[waves+i-1])
+		    call pargr (Memr[bands+i-1])
+	    }
+	    call freecalib (waves, bands, mags)
+	case STARS:
+	    call clgstr ("caldir", Memc[str], SZ_LINE)
+	    call sprintf (Memc[file], SZ_LINE, "%sstandards.men")
+		call pargstr (Memc[str])
+	    fd = open (Memc[file], READ_ONLY, TEXT_FILE)
+	    while (getline (fd, Memc[file]) != EOF)
+		call putline (STDERR, Memc[file]) 
+	    call close (fd)
+	default:
+	    call eprintf ("Unknown option: %s\n")
+		call pargstr (Memc[str])
+	}
+
+	call sfree (sp)
+end