Initial commit

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/math/gsurfit.h b/lib/math/gsurfit.h
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+++ b/lib/math/gsurfit.h
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+# definitions for the gsurfit package
+
+# define the permitted types of curves
+
+define	GS_FUNCTIONS	"|chebyshev|legendre|polynomial|"
+define	GS_CHEBYSHEV	1	# chebyshev polynomials
+define	GS_LEGENDRE	2	# legendre polynomials
+define	GS_POLYNOMIAL	3	# power series polynomials
+define	NTYPES		3
+
+# define the xterms flags
+
+define	GS_XTYPES	"|none|full|half|"
+define	GS_XNONE	0	# no x-terms (old NO)
+define	GS_XFULL	1	# full x-terms (new YES)
+define	GS_XHALF	2	# half x-terms (new)
+
+# define the weighting flags
+
+define	GS_WEIGHTS	"|user|uniform|spacing|"
+define	WTS_USER	1	# user enters weights
+define	WTS_UNIFORM	2	# equal weights
+define	WTS_SPACING	3	# weight proportional to spacing of data points
+
+# error conditions
+
+define	SINGULAR	1
+define	NO_DEG_FREEDOM	2
+
+# gsstat/gsset definitions
+
+define	GSTYPE		1
+define	GSXORDER	2
+define	GSYORDER	3
+define	GSXTERMS	4
+define	GSNXCOEFF	5
+define	GSNYCOEFF	6
+define	GSNCOEFF	7
+define	GSNSAVE		8
+define	GSXMIN		9
+define	GSXMAX		10
+define	GSYMIN		11
+define	GSYMAX		12
+define	GSXREF		13
+define	GSYREF		14
+define	GSZREF		15
+
+define	GS_SAVECOEFF	8