From 22f703cab05b7cd368f4de9e03991b7664dc5022 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Mon, 1 Sep 2014 13:56:46 +0200
Subject: Initial import of argyll version 1.5.1-8

---
 rspl/rspl1.h | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 rspl/rspl1.h

(limited to 'rspl/rspl1.h')

diff --git a/rspl/rspl1.h b/rspl/rspl1.h
new file mode 100644
index 0000000..d5ea0b9
--- /dev/null
+++ b/rspl/rspl1.h
@@ -0,0 +1,115 @@
+
+#ifndef _RSPL1_H_
+
+ /* Single dimension regularized spline data structure */
+
+/* 
+ * Argyll Color Correction System
+ * Author: Graeme W. Gill
+ * Date:   2000/10/29
+ *
+ * Copyright 1996 - 2010 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
+ * see the License2.txt file for licencing details.
+ *
+ * This is a simple 1D version of rspl, useful for standalone purposes.
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* General data point position/value structure */
+typedef double datai[1];
+typedef double datao[1];
+typedef double ratai[1];
+typedef double ratao[1];
+
+/* Interface coordinate value */
+typedef struct {
+    double p[1];	/* coordinate position */
+    double v[1];	/* function values */
+} co;
+
+/* Interface coordinate value */
+typedef struct {
+    double p[1];	/* coordinate position */
+    double v[1];	/* function values */
+	double w;		/* Weight to give this point, nominally 1.0 */
+} cow;
+
+#define RSPL_NOFLAGS 0
+
+struct _rspl {
+
+  /* Private: */
+	int nig;		/* number in interpolation grid */
+	double gl,gh,gw;/* Interpolation grid scale low, high, grid cell width */
+	double vl,vw;	/* low & range */ 
+	double xl,xh;	/* Actual X data exremes low, high */
+	double dl,dh;	/* Actual Y Data scale low, high */
+	double *x;		/* Array of nig grid point scaled y values */
+
+  /* Public: */
+
+	/* destructor */
+	void (*del)(struct _rspl *t);
+
+	/* Initialise from scattered data. */
+	/* Returns nz on error */
+	int
+	(*fit_rspl)(
+		struct _rspl *s,	/* this */
+		int flags,		/* (Not used) */
+		co *d,			/* Array holding position and function values of data points */
+		int ndp,		/* Number of data points */
+		datai glow,		/* Grid low scale - will expand to enclose data, NULL = default 0.0 */
+		datai ghigh,	/* Grid high scale - will expand to enclose data, NULL = default 1.0 */
+		int    *gres,	/* Spline grid resolution, ncells = gres-1 */
+		datao vlow,		/* Data value low normalize, NULL = default 0.0 */
+		datao vhigh,	/* Data value high normalize - NULL = default 1.0 */
+		double smooth,	/* Smoothing factor, 0.0 = default 1.0 */
+		double *avgdev, /* (Not used) */
+		double **ipos 	/* (not used) */
+	); 
+
+	/* Initialise from scattered data with weighting. */
+	/* Returns nz on error */
+	int
+	(*fit_rspl_w)(
+		struct _rspl *s,	/* this */
+		int flags,		/* (Not used) */
+		cow *d,			/* Array holding position and function values of data points */
+		int ndp,		/* Number of data points */
+		datai glow,		/* Grid low scale - will expand to enclose data, NULL = default 0.0 */
+		datai ghigh,	/* Grid high scale - will expand to enclose data, NULL = default 1.0 */
+		int    *gres,	/* Spline grid resolution, ncells = gres-1 */
+		datao vlow,		/* Data value low normalize, NULL = default 0.0 */
+		datao vhigh,	/* Data value high normalize - NULL = default 1.0 */
+		double smooth,	/* Smoothing factor, 0.0 = default 1.0 */
+		double *avgdev, /* (Not used) */
+		double **ipos 	/* (not used) */
+	); 
+
+	/* Do forward interpolation */
+	/* Return 0 if OK, 1 if input was clipped to grid */
+	int (*interp)(
+		struct _rspl *s,	/* this */
+		co *p);				/* Input and output values */
+
+}; typedef struct _rspl rspl;
+
+/* Create a new, empty rspl object */
+rspl *new_rspl(int flags, int di, int fdi);
+
+#ifdef __cplusplus
+}
+#endif
+
+#define _RSPL1_H_
+#endif /* _RSPL1_H_ */
+
+
-- 
cgit v1.2.3