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

---
 numlib/dhsx.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 numlib/dhsx.h

(limited to 'numlib/dhsx.h')

diff --git a/numlib/dhsx.h b/numlib/dhsx.h
new file mode 100644
index 0000000..828b8b2
--- /dev/null
+++ b/numlib/dhsx.h
@@ -0,0 +1,42 @@
+#ifndef DHSX_H
+#define DHSX_H
+
+/* A general purpose downhill simplex multivariate optimser, */
+/* as described in */
+/* "Numerical Recipes in C", by W.H.Press, B.P.Flannery, */
+/* S.A.Teukolsky & W.T.Vetterling. */
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
+/* Down hill simplex function */
+/* return err on sucess, -1.0 on failure */
+/* Result will be in cp */
+/* Arrays start at 0 */
+
+/* Standard interface for optimizer function */
+/* return 0 on sucess, 1 on failure due to excessive itterations */
+/* Result will be in cp */
+/* Arrays start at 0 */
+int dhsx(
+double *rv,				/* If not NULL, return the residual error */
+int di,					/* Dimentionality */
+double cp[],			/* Initial starting point */
+double s[],				/* Size of initial search area */
+double ftol,			/* Tollerance of error change to stop on */
+double atol,			/* Absolute return value tollerance */
+int maxit,				/* Maximum iterations allowed */
+double (*funk)(void *fdata, double tp[]),		/* Error function to evaluate */
+void *fdata				/* Data needed by function */
+);
+
+double dhsx_funk(		/* Return function value */
+	void *fdata,		/* Opaque data pointer */
+	double tp[]);		/* Multivriate input value */
+
+#ifdef __cplusplus
+	}
+#endif
+
+#endif /* DHSX_H */
-- 
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