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diff --git a/media/pocketsphinx/src/vector.h b/media/pocketsphinx/src/vector.h
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+/* ====================================================================
+ * Copyright (c) 1999-2004 Carnegie Mellon University.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * This work was supported in part by funding from the Defense Advanced 
+ * Research Projects Agency and the National Science Foundation of the 
+ * United States of America, and the CMU Sphinx Speech Consortium.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 
+ * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
+ * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ====================================================================
+ *
+ */
+
+/*
+ * vector.h -- vector routines.
+ * 
+ * **********************************************
+ * CMU ARPA Speech Project
+ *
+ * Copyright (c) 1997 Carnegie Mellon University.
+ * ALL RIGHTS RESERVED.
+ * **********************************************
+ */
+
+
+#ifndef __VECTOR_H__
+#define __VECTOR_H__
+
+/* System headers. */
+#include <stdio.h>
+
+/* SphinxBase headers. */
+#include <sphinxbase/prim_type.h>
+
+typedef float32 *vector_t;
+
+/*
+ * The reason for some of the "trivial" routines below is that they could be OPTIMIZED for SPEED
+ * at some point.
+ */
+
+
+/* Floor all elements of v[0..dim-1] to min value of f */
+void vector_floor(vector_t v, int32 dim, float64 f);
+
+
+/* Floor all non-0 elements of v[0..dim-1] to min value of f */
+void vector_nz_floor(vector_t v, int32 dim, float64 f);
+
+
+/*
+ * Normalize the elements of the given vector so that they sum to 1.0.  If the sum is 0.0
+ * to begin with, the vector is left untouched.  Return value: The normalization factor.
+ */
+float64 vector_sum_norm(vector_t v, int32 dim);
+
+
+/* Print vector in one line, in %11.4e format, terminated by newline */
+void vector_print(FILE *fp, vector_t v, int32 dim);
+
+
+/* Return TRUE iff given vector is all 0.0 */
+int32 vector_is_zero (float32 *vec,	/* In: Vector to be checked */
+		      int32 len);	/* In: Length of above vector */
+
+#endif /* VECTOR_H */