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+/** 
+ * @file llsdutil_math.h
+ * @author Brad
+ * @date 2009-05-19
+ * @brief Utility classes, functions, etc, for using structured data with math classes.
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLSDUTIL_MATH_H
+#define LL_LLSDUTIL_MATH_H
+
+class LL_COMMON_API LLSD;
+
+// vector3
+class LLVector3;
+LLSD ll_sd_from_vector3(const LLVector3& vec);
+LLVector3 ll_vector3_from_sd(const LLSD& sd, S32 start_index = 0);
+
+// vector4
+class LLVector4;
+LLSD ll_sd_from_vector4(const LLVector4& vec);
+LLVector4 ll_vector4_from_sd(const LLSD& sd, S32 start_index = 0);
+
+// vector3d (double)
+class LLVector3d;
+LLSD ll_sd_from_vector3d(const LLVector3d& vec);
+LLVector3d ll_vector3d_from_sd(const LLSD& sd, S32 start_index = 0);
+
+// vector2
+class LLVector2;
+LLSD ll_sd_from_vector2(const LLVector2& vec);
+LLVector2 ll_vector2_from_sd(const LLSD& sd);
+
+// Quaternion
+class LLQuaternion;
+LLSD ll_sd_from_quaternion(const LLQuaternion& quat);
+LLQuaternion ll_quaternion_from_sd(const LLSD& sd);
+
+// color4
+class LLColor4;
+LLSD ll_sd_from_color4(const LLColor4& c);
+LLColor4 ll_color4_from_sd(const LLSD& sd);
+
+#endif // LL_LLSDUTIL_MATH_H