1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* $Id: db_utilities_algebra.h,v 1.3 2011/06/17 14:03:31 mbansal Exp $ */ 18 19 #ifndef DB_UTILITIES_ALGEBRA 20 #define DB_UTILITIES_ALGEBRA 21 22 #include "db_utilities.h" 23 24 25 26 /***************************************************************** 27 * Lean and mean begins here * 28 *****************************************************************/ 29 /*! 30 * \defgroup LMAlgebra (LM) Algebra utilities 31 */ 32 /*\{*/ 33 db_HomogenousNormalize3(double * x)34inline void db_HomogenousNormalize3(double *x) 35 { 36 db_MultiplyScalar3(x,db_SafeSqrtReciprocal(db_SquareSum3(x))); 37 } 38 39 /*\}*/ 40 41 #endif /* DB_UTILITIES_ALGEBRA */ 42