Repatch (from linux) of OSX IRAF

1 files changed, 155 insertions, 0 deletions

diff --git a/noao/imred/dtoi/hdicfit/hdicvshow.x b/noao/imred/dtoi/hdicfit/hdicvshow.x
new file mode 100644
index 00000000..e62f6522
--- /dev/null
+++ b/noao/imred/dtoi/hdicfit/hdicvshow.x
@@ -0,0 +1,155 @@
+include	<math/curfit.h>
+include	"hdicfit.h"
+
+# IC_VSHOW -- Show fit parameters in verbose mode.
+
+procedure ic_vshowd (ic, file, cv, x, y, wts, npts, gt)
+
+pointer	ic		# ICFIT pointer
+char	file[ARB]	# Output file
+pointer	cv		# Curfit pointer
+double	x[ARB]		# Ordinates
+double	y[ARB]		# Abscissas
+double	wts[ARB]	# Weights
+int	npts		# Number of data points
+pointer	gt		# Graphics tools pointer
+
+double	chisqr, rms
+int	i, n, deleted, ncoeffs, fd
+pointer	sp, fit, wts1, coeffs, errors
+
+int	dcvstati(), open()
+double	ic_rmsd()
+errchk	open()
+
+begin
+	# Do the standard ic_show option, then add on the verbose part.
+	call ic_show (ic, file, gt)
+
+	if (npts == 0) {
+	    call eprintf ("Incomplete output - no data points for fit\n")
+	    return
+	}
+
+	# Open the output file.
+	fd = open (file, APPEND, TEXT_FILE)
+
+	# Determine the number of coefficients and allocate memory.
+	ncoeffs = dcvstati (cv, CVNCOEFF)
+
+	call smark (sp)
+	call salloc (coeffs, ncoeffs, TY_DOUBLE)
+	call salloc (errors, ncoeffs, TY_DOUBLE)
+
+	if (npts == IC_NFIT(ic)) {
+	    # Allocate memory for the fit.
+	    n = npts
+	    call salloc (fit, n, TY_DOUBLE)
+	    call salloc (wts1, n, TY_DOUBLE)
+
+	    # Eliminate rejected points and count deleted points.
+	    call amovd (wts, Memd[wts1], n)
+	    if (IC_NREJECT(ic) > 0) {
+		do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Memd[wts1+i-1] = 0.
+		}
+	    }
+	    deleted = 0
+	    do i = 1, n {
+		if (wts[i] == 0.)
+		    deleted = deleted + 1
+	    }
+
+	    # Get the coefficients and compute the errors.
+	    call dcvvector (cv, x, Memd[fit], n)
+	    call dcvcoeff (cv, Memd[coeffs], ncoeffs)
+	    call dcverrors (cv, y, Memd[wts1], Memd[fit], n, chisqr,
+		Memd[errors])
+	    rms = ic_rmsd (x, y, Memd[fit], Memd[wts1], n)
+
+	} else {
+	    # Allocate memory for the fit.
+	    n = IC_NFIT(ic)
+	    call salloc (fit, n, TY_DOUBLE)
+	    call salloc (wts1, n, TY_DOUBLE)
+
+	    # Eliminate rejected points and count deleted points.
+	    call amovd (Memd[IC_WTSFIT(ic)], Memd[wts1], n)
+	    if (IC_NREJECT(ic) > 0) {
+	        do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Memd[wts1+i-1] = 0.
+		}
+	    }
+	    deleted = 0
+	    do i = 1, n {
+		if (wts[i] == 0.)
+		    deleted = deleted + 1
+	    }
+
+	    # Get the coefficients and compute the errors.
+	    call dcvvector (cv, Memd[IC_XFIT(ic)], Memd[fit], n)
+	    rms = ic_rmsd (Memd[IC_XFIT(ic)], Memd[IC_YFIT(ic)],
+		Memd[fit], Memd[wts1], n)
+	    call dcvcoeff (cv, Memd[coeffs], ncoeffs)
+	    call dcverrors (cv, Memd[IC_YFIT(ic)], Memd[wts1], Memd[fit],
+		n, chisqr, Memd[errors])
+	}
+
+	# Print the error analysis.
+	call fprintf (fd, "total points = %d\n")
+	    call pargi (npts)
+	call fprintf (fd, "deleted = %d\n")
+	    call pargi (deleted)
+	call fprintf (fd, "RMS = %7.4g\n")
+	    call pargd (rms)
+	call fprintf (fd, "square root of reduced chi square = %7.4g\n")
+	    call pargd (sqrt (chisqr))
+
+	call fprintf (fd, "# \t  coefficent\t  error\n")
+	do i = 1, ncoeffs {
+	    call fprintf (fd, "\t%10.4e\t%10.4e\n")
+		call pargd (Memd[coeffs+i-1])
+	 	call pargd (Memd[errors+i-1])
+	}
+
+	# Print x,y pairs and weights
+	call ic_listxywd (fd, cv, x, y, wts, npts)
+
+	call sfree (sp)
+	call close (fd)
+end
+
+
+# IC_LISTXYW -- List data as x,y pairs on output with their weights.  Used 
+# for verbose show procedure.  The untransformed density is also output,
+# regardless of what transformation may have been applied.
+
+procedure ic_listxywd (fd, cv, xvals, yvals, weights, nvalues)
+
+int	fd			# File descriptor of output file
+pointer	cv			# Pointer to curfit structure
+int	nvalues			# Number of data values
+double	xvals[nvalues]		# Array of x data values
+double	yvals[nvalues]		# Array of y data values
+double	weights[nvalues]	# Array of weight values
+
+int	i
+double	dcveval()
+include	"hdic.com"
+
+begin
+	call fprintf (fd,"\n#%15t Density %27t X %39t Yfit %51t LogE %63tWts\n")
+
+	do i = 1, nvalues {
+	    call fprintf (fd, 
+	    "%2d %15t%-12.7f%27t%-12.7f%39t%-12.7f%51t%-12.7f%63t%-12.7f\n")
+		call pargi (i)
+		call pargd (Memd[den+i-1])
+		call pargd (xvals[i])
+		call pargd (dcveval (cv, xvals[i]))
+		call pargd (yvals[i])
+		call pargd (weights[i])
+	}
+end