nrm2.tcc (flens/blas/level1/nrm2.tcc)

      1
      2
      3
      4
      5
      6
      7
      8
      9
     10
     11
     12
     13
     14
     15
     16
     17
     18
     19
     20
     21
     22
     23
     24
     25
     26
     27
     28
     29
     30
     31
     32
     33
     34
     35
     36
     37
     38
     39
     40
     41
     42
     43
     44
     45
     46
     47
     48
     49
     50
     51
     52
     53
     54
     55
     56
     57
     58
     59
     60
     61
     62
     63
     64
     65
     66
     67
     68

/*

 *   Copyright (c) 2009, Michael Lehn

 *

 *   All rights reserved.

 *

 *   Redistribution and use in source and binary forms, with or without

 *   modification, are permitted provided that the following conditions

 *   are met:

 *

 *   1) Redistributions of source code must retain the above copyright

 *      notice, this list of conditions and the following disclaimer.

 *   2) Redistributions in binary form must reproduce the above copyright

 *      notice, this list of conditions and the following disclaimer in

 *      the documentation and/or other materials provided with the

 *      distribution.

 *   3) Neither the name of the FLENS development group nor the names of

 *      its contributors may be used to endorse or promote products derived

 *      from this software without specific prior written permission.

 *

 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef FLENS_BLAS_LEVEL1_NRM2_TCC

#define FLENS_BLAS_LEVEL1_NRM2_TCC 1

#include <flens/auxiliary/auxiliary.h>

#include <flens/blas/closures/closures.h>

#include <flens/blas/level1/level1.h>

#include <flens/typedefs.h>

#include <ulmblas/cxxblas.h>

#ifdef FLENS_DEBUG_CLOSURES

#   include <flens/blas/blaslogon.h>

#else

#   include <flens/blas/blaslogoff.h>

#endif

namespace flens { namespace blas {

template <typename X, typename T>

typename RestrictTo<IsNotComplex<T>::value, void>::Type

nrm2(const DenseVector<X> &x, T &norm)

{

    cxxblas::nrm2(x.length(), x.data(), x.stride(), norm);

}

template <typename X>

typename ComplexTrait<typename X::ElementType>::PrimitiveType

nrm2(const DenseVector<X> &x)

{

    typename ComplexTrait<typename X::ElementType>::PrimitiveType norm;

    nrm2(x, norm);

    return norm;

}

} } // namespace blas, flens

#endif // FLENS_BLAS_LEVEL1_NRM2_TCC