bullet3/examples/ThirdPartyLibs/BussIK/VectorRn.cpp
erwin coumans 75e86051c2 Add inverse kinematics example with implementations by Sam Buss.
Uses Kuka IIWA model description and 4 methods:
Selectively Damped Least Squares,Damped Least Squares,
Jacobi Transpose, Jacobi Pseudo Inverse
Tweak some PD values in Inverse Dynamics example and Robot example.
2016-07-24 22:22:42 -07:00

46 lines
1.3 KiB
C++

/*
*
* Mathematics Subpackage (VrMath)
*
*
* Author: Samuel R. Buss, sbuss@ucsd.edu.
* Web page: http://math.ucsd.edu/~sbuss/MathCG
*
*
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*
*
*/
//
// VectorRn: Vector over Rn (Variable length vector)
//
#include "VectorRn.h"
VectorRn VectorRn::WorkVector;
double VectorRn::MaxAbs () const
{
double result = 0.0;
double* t = x;
for ( long i = length; i>0; i-- ) {
if ( (*t) > result ) {
result = *t;
}
else if ( -(*t) > result ) {
result = -(*t);
}
t++;
}
return result;
}