summaryrefslogtreecommitdiffstats
path: root/jni/feature_stab/db_vlvm/db_bundle.h
diff options
context:
space:
mode:
Diffstat (limited to 'jni/feature_stab/db_vlvm/db_bundle.h')
-rw-r--r--jni/feature_stab/db_vlvm/db_bundle.h68
1 files changed, 0 insertions, 68 deletions
diff --git a/jni/feature_stab/db_vlvm/db_bundle.h b/jni/feature_stab/db_vlvm/db_bundle.h
deleted file mode 100644
index e4fb8db2c..000000000
--- a/jni/feature_stab/db_vlvm/db_bundle.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* $Id: db_bundle.h,v 1.2 2011/06/17 14:03:30 mbansal Exp $ */
-
-#ifndef DB_BUNDLE_H
-#define DB_BUNDLE_H
-
-
-/*****************************************************************
-* Lean and mean begins here *
-*****************************************************************/
-/*!
- * \defgroup LMBundle (LM) Bundle adjustment utilities (a.k.a. Levenberg-Marquardt algorithm)
- */
-/*\{*/
-
-#include "db_utilities.h"
-
-/*!
-Solve for update dx such that diagmult(1+lambda,transpose(J)%J)%dx= -Jtf
-using only upper half of JtJ, destroying lower half below diagonal in the process
-dimension is n and d should point to n allocated doubles of scratch memory
-*/
-inline void db_Compute_dx(double *dx,double **JtJ,double *min_Jtf,double lambda,double *d,int n)
-{
- int i;
- double opl;
-
- opl=1.0+lambda;
- for(i=0;i<n;i++) d[i]=JtJ[i][i]*opl;
-
- db_CholeskyDecompSeparateDiagonal(JtJ,d,n);
- db_CholeskyBacksub(dx,JtJ,d,n,min_Jtf);
-}
-
-/*!
-Solve for update dx such that diagmult(1+lambda,transpose(J)%J)%dx= -Jtf
-using only upper half of JtJ, destroying lower half below diagonal in the process
-*/
-inline void db_Compute_dx_3x3(double dx[3],double JtJ[9],const double min_Jtf[3],double lambda)
-{
- double d[3],opl;
-
- opl=1.0+lambda;
- d[0]=JtJ[0]*opl;
- d[1]=JtJ[4]*opl;
- d[2]=JtJ[8]*opl;
- db_CholeskyDecomp3x3SeparateDiagonal(JtJ,d);
- db_CholeskyBacksub3x3(dx,JtJ,d,min_Jtf);
-}
-
-/*\}*/
-
-#endif /* DB_BUNDLE_H */