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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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.txt
*
* 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.
*
*=========================================================================*/
#include "itkVector.h"
namespace itk
{
/**
* Methods specialized by dimension
*
* Limitations of VC++ on partial specialization
* force us to define the following method for
* a set of types.
*/
Vector< double, 3 >
ITKCommon_EXPORT CrossProduct(const Vector< double, 3 > & a, const Vector< double, 3 > & b)
{
Vector< double, 3 > c;
c[0] = a[1] * b[2] - a[2] * b[1];
c[1] = a[2] * b[0] - a[0] * b[2];
c[2] = a[0] * b[1] - a[1] * b[0];
return c;
}
Vector< float, 3 >
ITKCommon_EXPORT CrossProduct(const Vector< float, 3 > & a, const Vector< float, 3 > & b)
{
Vector< float, 3 > c;
c[0] = a[1] * b[2] - a[2] * b[1];
c[1] = a[2] * b[0] - a[0] * b[2];
c[2] = a[0] * b[1] - a[1] * b[0];
return c;
}
Vector< int, 3 >
ITKCommon_EXPORT CrossProduct(const Vector< int, 3 > & a, const Vector< int, 3 > & b)
{
Vector< int, 3 > c;
c[0] = a[1] * b[2] - a[2] * b[1];
c[1] = a[2] * b[0] - a[0] * b[2];
c[2] = a[0] * b[1] - a[1] * b[0];
return c;
}
} // end namespace itk
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