1062 lines
36 KiB
C++
1062 lines
36 KiB
C++
/* vim: set ts=8 sw=8 sts=8 noexpandtab cindent: */
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/*******************************************************************************
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LA: linear algebra C++ interface library
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Copyright (C) 2008 Jiri Pittner <jiri.pittner@jh-inst.cas.cz> or <jiri@pittnerovi.com>
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complex versions written by Roman Curik <roman.curik@jh-inst.cas.cz>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*******************************************************************************/
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#include <iostream>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "vec.h"
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#include "qsort.h"
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#include <unistd.h>
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namespace LA {
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/***************************************************************************//**
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* conversion constructor interpreting a given matrix with \f$N\f$ rows and
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* \f$M\f$ columns of general type <code>T</code> as a vector of \f$N\times{}M\f$
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* elements
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* @param[in] rhs matrix being converted
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* @see NRMat<T>::NRMat()
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******************************************************************************/
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#ifndef MATPTR
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template <typename T>
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NRVec<T>::NRVec(const NRMat<T> &rhs) {
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#ifdef CUDALA
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location = rhs.location;
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#endif
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nn = rhs.nn*rhs.mm;
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v = rhs.v;
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count = rhs.count;
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(*count)++;
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}
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#endif
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/***************************************************************************//**
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* routine for raw output
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* @param[in] fd file descriptor for output
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* @param[in] dim number of elements intended for output
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* @param[in] transp reserved
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* @see NRMat<T>::put()
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******************************************************************************/
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template <typename T>
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void NRVec<T>::put(int fd, bool dim, bool transp) const {
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#ifdef CUDALA
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if(location != cpu){
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NRVec<T> tmp = *this;
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tmp.moveto(cpu);
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tmp.put(fd,dim,transp);
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return;
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}
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#endif
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errno = 0;
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int pad(1); //align at least 8-byte
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if(dim){
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if(sizeof(int) != write(fd,&nn,sizeof(int))) laerror("write failed");
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if(sizeof(int) != write(fd,&pad,sizeof(int))) laerror("write failed");
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}
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LA_traits<T>::multiput(nn,fd,v,dim);
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}
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/***************************************************************************//**
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* routine for raw input
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* @param[in] fd file descriptor for input
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* @param[in] dim number of elements intended for input, for dim=0 perform copyonwrite
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* @param[in] transp reserved
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* @see NRMat<T>::get(), copyonwrite()
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******************************************************************************/
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template <typename T>
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void NRVec<T>::get(int fd, bool dim, bool transp) {
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#ifdef CUDALA
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if(location != cpu){
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NRVec<T> tmp;
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tmp.moveto(cpu);
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tmp.get(fd,dim,transp);
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tmp.moveto(location);
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*this = tmp;
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return;
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}
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#endif
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int nn0[2]; //align at least 8-byte
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errno = 0;
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if(dim){
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if(2*sizeof(int) != read(fd,&nn0,2*sizeof(int))) laerror("read failed");
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resize(nn0[0]);
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}else{
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copyonwrite();
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}
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LA_traits<T>::multiget(nn,fd,v,dim);
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}
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/***************************************************************************//**
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* routine for formatted output via lawritemat
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* @param[in] file pointer to <tt>FILE</tt> structure representing the output file
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* @param[in] format format specification in standard printf-like form
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* @param[in] modulo
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* @see lawritemat()
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******************************************************************************/
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template<typename T>
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void NRVec<T>::fprintf(FILE *file, const char *format, const int modulo) const {
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NOT_GPU(*this);
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lawritemat(file, v, 1, nn, format, 1, modulo, 0);
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}
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/***************************************************************************//**
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* routine for formatted input via fscanf
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* @param[in] f pointer to <tt>FILE</tt> structure representing the input file
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* @param[in] format format specification in standard printf-like form
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******************************************************************************/
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template <typename T>
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void NRVec<T>::fscanf(FILE *f, const char *format) {
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int n(0);
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NOT_GPU(*this);
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if(::fscanf(f, "%d", &n) != 1) laerror("can not read vector dimension");
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resize(n);
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for(register int i=0; i<n; i++){
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if (::fscanf(f, format, v + i) != 1){
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laerror("can not read the vector element");
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}
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}
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}
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/***************************************************************************//**
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* unary minus operator in case of real double-precision vector
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* @return the modified vector by value
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******************************************************************************/
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template<>
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const NRVec<double> NRVec<double>::operator-() const {
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NRVec<double> result(*this);
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result.copyonwrite();
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#ifdef CUDALA
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if(location == cpu){
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#endif
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cblas_dscal(nn, -1.0, result.v, 1);
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#ifdef CUDALA
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}else{
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cublasDscal(nn, -1.0, result.v, 1);
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TEST_CUBLAS("cublasDscal");
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}
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#endif
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return result;
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}
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/***************************************************************************//**
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* unary minus operator in case of complex double-precision vector
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* @return the modified vector by value
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******************************************************************************/
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template<>
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const NRVec<std::complex<double> > NRVec<std::complex<double> >::operator-() const {
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NRVec<std::complex<double> > result(*this);
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result.copyonwrite();
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#ifdef CUDALA
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if(location == cpu){
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#endif
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cblas_zdscal(nn, -1.0, result.v, 1);
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#ifdef CUDALA
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}else{
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cublasZdscal(nn, -1.0, (cuDoubleComplex*)result.v, 1);
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TEST_CUBLAS("cublasZdscal");
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}
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#endif
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return result;
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}
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/***************************************************************************//**
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* unary minus operator for vector of general type
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* @return the modified vector
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******************************************************************************/
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template <typename T>
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const NRVec<T> NRVec<T>::operator-() const {
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NOT_GPU(*this);
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NRVec<T> result(nn, getlocation());
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for(register int i=0; i<nn; i++) result.v[i] = -v[i];
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return result;
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}
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/***************************************************************************//**
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* comparison operator (lexicographical order)
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* @param[in] rhs vector intended for comparison
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* @return
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* \li \c true current vector is bigger than vector \c rhs
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* \li \c false current vector is smaller than vector \c rhs
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******************************************************************************/
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template <typename T>
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const bool NRVec<T>::operator>(const NRVec &rhs) const {
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int n(nn);
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SAME_LOC(*this, rhs);
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NOT_GPU(*this);
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if(rhs.nn < n) n = rhs.nn;
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for(register int i=0; i<n;++i){
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if(LA_traits<T>::bigger(v[i], rhs.v[i])) return true;
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if(LA_traits<T>::smaller(v[i], rhs.v[i])) return false;
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}
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return nn>rhs.nn;
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}
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/***************************************************************************//**
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* comparison operator (lexicographical order)
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* @param[in] rhs vector intended for comparison
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* @return
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* \li \c false current vector is bigger than vector \c rhs
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* \li \c true current vector is smaller than vector \c rhs
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******************************************************************************/
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template <typename T>
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const bool NRVec<T>::operator<(const NRVec &rhs) const {
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int n(nn);
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SAME_LOC(*this, rhs);
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NOT_GPU(*this);
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if(rhs.nn < n) n = rhs.nn;
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for(register int i=0; i<n;++i){
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if(LA_traits<T>::smaller(v[i], rhs.v[i])) return true;
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if(LA_traits<T>::bigger(v[i], rhs.v[i])) return false;
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}
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return nn<rhs.nn;
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}
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/***************************************************************************//**
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* fill the real vector with pseudorandom numbers generated using uniform distribution
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* @param[in] x specification of the interval \f$[0,x]\f$ for the random number generator
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******************************************************************************/
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template<>
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void NRVec<double>::randomize(const double &x){
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NOT_GPU(*this);
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for(register int i=0; i<nn; ++i){
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v[i] = x*(2.*random()/(1. + RAND_MAX) - 1.);
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}
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}
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/***************************************************************************//**
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* fill the complex vector with pseudorandom numbers generated using uniform distribution
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* the real and imaginary parts are generated independently
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* @param[in] x specification of the interval \f$[0,x]\f$ for the random number generator
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* @return
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* \li \c false current vector is bigger than vector \c rhs
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* \li \c true current vector is smaller than vector \c rhs
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******************************************************************************/
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template<>
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void NRVec<std::complex<double> >::randomize(const double &x) {
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NOT_GPU(*this);
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for(register int i=0; i<nn; ++i){
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v[i] = std::complex<double>(x*(2.*random()/(1. + RAND_MAX) - 1.), x*(2.*random()/(1. + RAND_MAX) - 1.));
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}
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}
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/***************************************************************************//**
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* constructor creating complex vector from a real one
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* @param[in] rhs the real vector being converted into the complex one
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* @param[in] imagpart
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* \li \c true vector \c rhs is interpreted as the imaginary part of the new complex vector
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* \li \c false vector \c rhs is interpreted as the real part of the new complex vector
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* @return
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* \li \c false current vector is bigger than vector \c rhs
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* \li \c true current vector is smaller than vector \c rhs
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******************************************************************************/
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template<>
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NRVec<std::complex<double> >::NRVec(const NRVec<double> &rhs, bool imagpart): nn(rhs.size()){
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count = new int;
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*count = 1;
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#ifdef CUDALA
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location = rhs.getlocation();
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if(location == cpu){
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#endif
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v = (std::complex<double>*)new std::complex<double>[nn];
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memset(v, 0, nn*sizeof(std::complex<double>));
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cblas_dcopy(nn, &rhs[0], 1, ((double *)v) + (imagpart?1:0), 2);
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#ifdef CUDALA
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}else{
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v = (std::complex<double>*) gpualloc(nn*sizeof(std::complex<double>));
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cublasZscal(nn, CUZERO, (cuDoubleComplex*)v, 1);
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TEST_CUBLAS("cublasZscal");
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cublasDcopy(nn, &rhs[0], 1, ((double *)v) + (imagpart?1:0), 2);
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TEST_CUBLAS("cublasDcopy");
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}
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#endif
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}
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/***************************************************************************//**
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* perform the <b>axpy</b> operation on the current real vector \f$\vec{v}\f$, i.e.
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* \f[ \vec{v} \leftarrow \vec{v} + \alpha\vec{x} \f]
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* @param[in] alpha double-precision real parameter \f$\alpha\f$
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* @param[in] x double-precision real vector \f$\vec{x}\f$
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******************************************************************************/
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template<>
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void NRVec<double>::axpy(const double alpha, const NRVec<double> &x) {
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#ifdef DEBUG
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if (nn != x.nn) laerror("incompatible vectors");
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#endif
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SAME_LOC(*this, x);
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copyonwrite();
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#ifdef CUDALA
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if(location == cpu){
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#endif
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cblas_daxpy(nn, alpha, x.v, 1, v, 1);
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#ifdef CUDALA
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}else{
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cublasDaxpy(nn, alpha, x.v, 1, v, 1);
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TEST_CUBLAS("cublasDaxpy");
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}
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#endif
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}
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/***************************************************************************//**
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* perform the <b>axpy</b> operation on the current complex vector \f$\vec{v}\f$, i.e.
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* \f[ \vec{v} \leftarrow \vec{v} + \alpha\vec{x} \f]
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* @param[in] alpha \f$\alpha\f$ parameter
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* @param[in] x complex vector \f$\vec{x}\f$
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******************************************************************************/
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template<>
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void NRVec<std::complex<double> >::axpy(const std::complex<double> alpha, const NRVec<std::complex<double> > &x){
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#ifdef DEBUG
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if (nn != x.nn) laerror("incompatible vectors");
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#endif
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SAME_LOC(*this, x);
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copyonwrite();
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#ifdef CUDALA
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if(location == cpu){
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#endif
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cblas_zaxpy(nn, &alpha, x.v, 1, v, 1);
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#ifdef CUDALA
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}else{
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const cuDoubleComplex _alpha = make_cuDoubleComplex(alpha.real(), alpha.imag());
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cublasZaxpy(nn, _alpha, (cuDoubleComplex*)x.v, 1, (cuDoubleComplex*)v, 1);
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TEST_CUBLAS("cublasZaxpy");
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}
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#endif
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}
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/***************************************************************************//**
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* perform the <b>axpy</b> operation on the current real vector \f$\vec{v}\f$, i.e.
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* \f[ \vec{v} \leftarrow \vec{v} + \alpha\vec{x} \f]
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* @param[in] alpha \f$\alpha\f$ parameter
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* @param[in] x pointer to double-precision real data
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* @param[in] stride sets the stride
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******************************************************************************/
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template<>
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void NRVec<double>::axpy(const double alpha, const double *x, const int stride){
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NOT_GPU(*this);
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copyonwrite();
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cblas_daxpy(nn, alpha, x, stride, v, 1);
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}
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/***************************************************************************//**
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* perform the <b>axpy</b> operation on the current complex vector \f$\vec{v}\f$, i.e.
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* \f[ \vec{v} \leftarrow \vec{v} + \alpha\vec{x} \f]
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* @param[in] alpha double-precision complex parameter \f$\alpha\f$
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* @param[in] x pointer to double-precision complex data
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* @param[in] stride sets the stride
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******************************************************************************/
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template<>
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void NRVec<std::complex<double> >::axpy(const std::complex<double> alpha, const std::complex<double> *x, const int stride){
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NOT_GPU(*this);
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copyonwrite();
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cblas_zaxpy(nn, &alpha, x, stride, v, 1);
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}
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/***************************************************************************//**
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* assign real scalar value to every element of the current vector
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* @param[in] a scalar value to be assigned
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* @return reference to the modified vector
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******************************************************************************/
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template<>
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NRVec<double>& NRVec<double>::operator=(const double &a){
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copyonwrite();
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#ifdef CUDALA
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if(location == cpu){
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#endif
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cblas_dcopy(nn, &a, 0, v, 1);
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#ifdef CUDALA
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}else{
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smart_gpu_set(nn, (double)0, v);
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}
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#endif
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return *this;
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}
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/***************************************************************************//**
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* assign complex scalar value to every element of the current vector
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* @param[in] a scalar value to be assigned
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* @return reference to the modified vector
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******************************************************************************/
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template<>
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NRVec<std::complex<double> >& NRVec<std::complex<double> >::operator=(const std::complex<double> &a){
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copyonwrite();
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#ifdef CUDALA
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if(location == cpu){
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#endif
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cblas_zcopy(nn, &a, 0, v, 1);
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#ifdef CUDALA
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}else{
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smart_gpu_set(nn, (std::complex<double>)0, v);
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}
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#endif
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return *this;
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}
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/***************************************************************************//**
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* assign scalar value to every element of the current vector of general type <code>T</code>
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* @param[in] a scalar value to be assigned
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* @return reference to the modified vector
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******************************************************************************/
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template <typename T>
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NRVec<T>& NRVec<T>::operator=(const T &a){
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NOT_GPU(*this);
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copyonwrite();
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if(!LA_traits<T>::is_plaindata() || a != (T)0){
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for(register int i=0; i<nn; i++) v[i] = a;
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}else{
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memset(v, 0, nn*sizeof(T));
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}
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return *this;
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}
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/***************************************************************************//**
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* normalize current real vector (in the Euclidean norm)
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* @param[in] norm if not NULL, the norm of this vector is stored into *norm
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* @return reference to the modified vector
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******************************************************************************/
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template<>
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NRVec<double>& NRVec<double>::normalize(double *norm){
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double tmp(0.0);
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#ifdef CUDALA
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if(location == cpu){
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#endif
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tmp = cblas_dnrm2(nn, v, 1);
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if(norm) *norm = tmp;
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#ifdef DEBUG
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if(!tmp) laerror("attempt to normalize zero vector");
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#endif
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copyonwrite();
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tmp = 1.0 / tmp;
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cblas_dscal(nn, tmp, v, 1);
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#ifdef CUDALA
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}else{
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tmp = cublasDnrm2(nn, v, 1);
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TEST_CUBLAS("cublasDnrm2");
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if(norm) *norm = tmp;
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#ifdef DEBUG
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if(!tmp) laerror("attempt to normalize zero vector");
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#endif
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copyonwrite();
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tmp = 1.0 / tmp;
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cublasDscal(nn, tmp, v, 1);
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TEST_CUBLAS("cublasDscal");
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}
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#endif
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return *this;
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}
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/***************************************************************************//**
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* normalize current complex vector (in the Euclidean norm)
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* @param[in] norm if not NULL, the norm of this vector is stored into *norm
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* @return reference to the modified vector
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******************************************************************************/
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template<>
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NRVec<std::complex<double> > & NRVec<std::complex<double> >::normalize(double *norm){
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double tmp(0.0);
|
|
#ifdef CUDALA
|
|
if(location == cpu){
|
|
#endif
|
|
tmp = cblas_dznrm2(nn, v, 1);
|
|
if(norm) *norm = tmp;
|
|
#ifdef DEBUG
|
|
if(tmp == 0.0) laerror("attempt to normalize zero vector");
|
|
#endif
|
|
copyonwrite();
|
|
tmp = 1.0 / tmp;
|
|
cblas_zdscal(nn, tmp, v, 1);
|
|
#ifdef CUDALA
|
|
}else{
|
|
tmp = cublasDznrm2(nn, (cuDoubleComplex*)v, 1);
|
|
TEST_CUBLAS("cublasDznrm2");
|
|
|
|
if(norm) *norm = tmp;
|
|
#ifdef DEBUG
|
|
if(tmp == 0.0) laerror("attempt to normalize zero vector");
|
|
#endif
|
|
copyonwrite();
|
|
|
|
tmp = 1.0 / tmp;
|
|
cublasZdscal(nn, tmp, (cuDoubleComplex*)v, 1);
|
|
TEST_CUBLAS("cublasZdscal");
|
|
}
|
|
#endif
|
|
return *this;
|
|
}
|
|
|
|
/***************************************************************************//**
|
|
* perform the \b gemv operation on this real vector \f$\vec{y}\f$, i.e.
|
|
* \f[\vec{y}\leftarrow \alpha\operatorname{op}(A)\cdot\vec{x}+\beta\vec{y}\f]
|
|
* @param[in] beta real parameter \f$\beta\f$
|
|
* @param[in] A real matrix \f$A\f$
|
|
* @param[in] trans if <code>trans == 'n'</code> use \f$A\f$ directly, otherwise \f$\operatorname{op}(A)\equiv{}A^\mathrm{T}\f$
|
|
* @param[in] alpha real parameter \f$\alpha\f$
|
|
* @param[in] x real vector \f$\vec{x}\f$
|
|
* @see NRMat<T>::gemm
|
|
******************************************************************************/
|
|
template<>
|
|
void NRVec<double>::gemv(const double beta, const NRMat<double> &A,
|
|
const char trans, const double alpha, const NRVec &x) {
|
|
#ifdef DEBUG
|
|
if((tolower(trans) == 'n'?A.ncols():A.nrows()) != x.size()){ laerror("incompatible vectors"); }
|
|
#endif
|
|
SAME_LOC3(*this, x, A);
|
|
copyonwrite();
|
|
|
|
#ifdef CUDALA
|
|
if(location==cpu){
|
|
#endif
|
|
cblas_dgemv(CblasRowMajor, (tolower(trans)=='n' ? CblasNoTrans:CblasTrans), A.nrows(), A.ncols(), alpha, A, A.ncols(), x.v, 1, beta, v, 1);
|
|
#ifdef CUDALA
|
|
}else{
|
|
cublasDgemv((tolower(trans)=='n'?'T':'N'), A.ncols(), A.nrows(), alpha, A, A.ncols(), x.v, 1, beta, v, 1);
|
|
TEST_CUBLAS("cublasDgemv");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/***************************************************************************//**
|
|
* perform the \b gemv operation on this complex vector \f$\vec{y}\f$, i.e.
|
|
* \f[\vec{y}\leftarrow \alpha\operatorname{op}(A)\cdot\vec{x}+\beta\vec{y}\f]
|
|
* @param[in] beta real parameter \f$\beta\f$
|
|
* @param[in] A <b>real</b> matrix \f$A\f$
|
|
* @param[in] trans if <tt>trans == 'n'</tt> use \f$A\f$ directly, otherwise \f$\operatorname{op}(A)\equiv{}A^\mathrm{T}\f$
|
|
* @param[in] alpha real parameter \f$\alpha\f$
|
|
* @param[in] x real vector \f$\vec{x}\f$
|
|
* @see gemm
|
|
******************************************************************************/
|
|
template<>
|
|
void NRVec<std::complex<double> >::gemv(const double beta, const NRMat<double> &A,
|
|
const char trans, const double alpha, const NRVec<std::complex<double> > &x) {
|
|
#ifdef DEBUG
|
|
if ((tolower(trans) == 'n'?A.ncols():A.nrows()) != x.size()){ laerror("incompatible vectors"); }
|
|
#endif
|
|
SAME_LOC3(*this, x, A);
|
|
copyonwrite();
|
|
|
|
#ifdef CUDALA
|
|
if(location==cpu){
|
|
#endif
|
|
cblas_dgemv(CblasRowMajor, (tolower(trans)=='n'?CblasNoTrans:CblasTrans),
|
|
A.nrows(), A.ncols(), alpha, A, A.ncols(), (double *)x.v, 2, beta, (double *)v, 2);
|
|
cblas_dgemv(CblasRowMajor, (tolower(trans)=='n'?CblasNoTrans:CblasTrans),
|
|
A.nrows(), A.ncols(), alpha, A, A.ncols(), ((double *)x.v) + 1, 2, beta, ((double *)v)+1, 2);
|
|
#ifdef CUDALA
|
|
}else{
|
|
cublasDgemv((tolower(trans)=='n'?'T':'N'), A.ncols(), A.nrows(), alpha, A, A.ncols(), (double*)(x.v), 2, beta, (double *)v, 2);
|
|
TEST_CUBLAS("cublasDgemv");
|
|
|
|
cublasDgemv((tolower(trans)=='n'?'T':'N'), A.ncols(), A.nrows(), alpha, A, A.ncols(), ((double *)x.v) + 1, 2, beta, ((double *)v)+1, 2);
|
|
TEST_CUBLAS("cublasDgemv");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/***************************************************************************//**
|
|
* perform the \b gemv operation on this complex vector \f$\vec{y}\f$, i.e.
|
|
* \f[\vec{y}\leftarrow \alpha\operatorname{op}(A)\cdot\vec{x}+\beta\vec{y}\f]
|
|
* @param[in] beta complex parameter \f$\beta\f$
|
|
* @param[in] A <b>complex</b> matrix \f$A\f$
|
|
* @param[in] trans if <code>trans == 'n'</code> use \f$A\f$ directly, otherwise \f$\operatorname{op}(A)\equiv{}A^\mathrm{T}\f$
|
|
* @param[in] alpha complex parameter \f$\alpha\f$
|
|
* @param[in] x real vector \f$\vec{x}\f$
|
|
* @see gemm
|
|
******************************************************************************/
|
|
template<>
|
|
void NRVec<std::complex<double> >::gemv(const std::complex<double> beta,
|
|
const NRMat<std::complex<double> > &A, const char trans,
|
|
const std::complex<double> alpha, const NRVec<std::complex<double> > &x) {
|
|
#ifdef DEBUG
|
|
if ((tolower(trans) == 'n'?A.ncols():A.nrows()) != x.size()){ laerror("incompatible vectors"); }
|
|
#endif
|
|
SAME_LOC3(*this, x, A);
|
|
copyonwrite();
|
|
#ifdef CUDALA
|
|
if(location == cpu){
|
|
#endif
|
|
cblas_zgemv(CblasRowMajor, (tolower(trans)=='n'?CblasNoTrans:CblasTrans),
|
|
A.nrows(), A.ncols(), &alpha, A, A.ncols(), x.v, 1, &beta, v, 1);
|
|
#ifdef CUDALA
|
|
}else{
|
|
|
|
const cuDoubleComplex _alpha = make_cuDoubleComplex(alpha.real(), alpha.imag());
|
|
const cuDoubleComplex _beta = make_cuDoubleComplex(beta.real(), beta.imag());
|
|
|
|
cublasZgemv((tolower(trans)=='n'?'T':'N'), A.ncols(), A.nrows(),
|
|
_alpha, (cuDoubleComplex*)(A[0]), A.ncols(), (cuDoubleComplex*)(x.v), 1, _beta, (cuDoubleComplex*)v, 1);
|
|
TEST_CUBLAS("cublasZgemv");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/***************************************************************************//**
|
|
* perform the \b gemv operation on this real vector \f$\vec{y}\f$, i.e.
|
|
* \f[\vec{y}\leftarrow \alpha\operatorname{op}(A)\cdot\vec{x}+\beta\vec{y}\f]
|
|
* @param[in] beta real parameter \f$\beta\f$
|
|
* @param[in] A real symmetric matrix \f$A\f$ stored in packed form
|
|
* @param[in] trans if <code>trans == 'n'</code> use \f$A\f$ directly, otherwise \f$\operatorname{op}(A)\equiv{}A^\mathrm{T}\f$
|
|
* @param[in] alpha real parameter \f$\alpha\f$
|
|
* @param[in] x real vector \f$\vec{x}\f$
|
|
* @see gemm, NRSMat<T>
|
|
******************************************************************************/
|
|
template<>
|
|
void NRVec<double>::gemv(const double beta, const NRSMat<double> &A,
|
|
const char trans, const double alpha, const NRVec &x) {
|
|
#ifdef DEBUG
|
|
if(A.ncols() != x.size()){ laerror("incompatible dimensions"); }
|
|
#endif
|
|
SAME_LOC3(*this, A, x);
|
|
copyonwrite();
|
|
|
|
#ifdef CUDALA
|
|
if(location==cpu){
|
|
#endif
|
|
cblas_dspmv(CblasRowMajor, CblasLower, A.ncols(), alpha, A, x.v, 1, beta, v, 1);
|
|
#ifdef CUDALA
|
|
}else{
|
|
cublasDspmv('U', A.ncols(), alpha, A, x.v, 1, beta, v, 1);
|
|
TEST_CUBLAS("cublasDspmv");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/***************************************************************************//**
|
|
* perform the \c gemv operation on this complex vector \f$\vec{y}\f$, i.e.
|
|
* \f[\vec{y}\leftarrow \alpha\operatorname{op}(A)\cdot\vec{x}+\beta\vec{y}\f]
|
|
* @param[in] beta real parameter \f$\beta\f$
|
|
* @param[in] A <b>real symmetric</b> matrix \f$A\f$ stored in packed form
|
|
* @param[in] trans if <code>trans == 'n'</code> use \f$A\f$ directly, otherwise \f$\operatorname{op}(A)\equiv{}A^\mathrm{T}\f$
|
|
* @param[in] alpha real parameter \f$\alpha\f$
|
|
* @param[in] x complex vector \f$\vec{x}\f$
|
|
* @see gemm, NRSMat<T>
|
|
******************************************************************************/
|
|
template<>
|
|
void NRVec<std::complex<double> >::gemv(const double beta, const NRSMat<double> &A,
|
|
const char trans, const double alpha, const NRVec<std::complex<double> > &x) {
|
|
#ifdef DEBUG
|
|
if(A.ncols() != x.size()){ laerror("incompatible dimensions"); }
|
|
#endif
|
|
SAME_LOC3(*this, A, x);
|
|
copyonwrite();
|
|
|
|
#ifdef CUDALA
|
|
if(location == cpu){
|
|
#endif
|
|
cblas_dspmv(CblasRowMajor, CblasLower, A.ncols(), alpha, A, (double *)x.v, 2, beta, (double *)v, 2);
|
|
cblas_dspmv(CblasRowMajor, CblasLower, A.ncols(), alpha, A, ((double *)x.v) + 1, 2, beta, ((double *)v) + 1, 2);
|
|
#ifdef CUDALA
|
|
}else{
|
|
cublasDspmv('U', A.ncols(), alpha, A, (double*)(x.v), 2, beta, (double*)v, 2);
|
|
TEST_CUBLAS("cublasDspmv");
|
|
|
|
cublasDspmv('U', A.ncols(), alpha, A, ((double*)(x.v)) + 1, 2, beta, ((double*)v) + 1, 2);
|
|
TEST_CUBLAS("cublasDspmv");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/***************************************************************************//**
|
|
* perform the \b gemv operation on this complex vector \f$\vec{y}\f$, i.e.
|
|
* \f[\vec{y}\leftarrow \alpha\operatorname{op}(A)\cdot\vec{x}+\beta\vec{y}\f]
|
|
* @param[in] beta complex parameter \f$\beta\f$
|
|
* @param[in] A <b>complex Hermitian</b> matrix \f$A\f$ stored in packed form
|
|
* @param[in] trans not used
|
|
* @param[in] alpha complex parameter \f$\alpha\f$
|
|
* @param[in] x complex vector \f$\vec{x}\f$
|
|
* @see gemm, NRSMat<T>
|
|
******************************************************************************/
|
|
template<>
|
|
void NRVec<std::complex<double> >::gemv(const std::complex<double> beta,
|
|
const NRSMat<std::complex<double> > &A, const char trans,
|
|
const std::complex<double> alpha, const NRVec<std::complex<double> > &x){
|
|
#ifdef DEBUG
|
|
if(A.ncols() != x.size()) laerror("incompatible dimensions");
|
|
#endif
|
|
SAME_LOC3(*this, A, x);
|
|
copyonwrite();
|
|
|
|
#ifdef CUDALA
|
|
if(location == cpu){
|
|
#endif
|
|
cblas_zhpmv(CblasRowMajor, CblasLower, A.ncols(), &alpha, A, x.v, 1, &beta, v, 1);
|
|
#ifdef CUDALA
|
|
}else{
|
|
const cuDoubleComplex _alpha = make_cuDoubleComplex(alpha.real(), alpha.imag());
|
|
const cuDoubleComplex _beta = make_cuDoubleComplex(beta.real(), beta.imag());
|
|
|
|
cublasZhpmv('U', A.ncols(), _alpha, (cuDoubleComplex*)((const std::complex<double>*)A), (cuDoubleComplex*)(x.v), 1, _beta, (cuDoubleComplex*)(this->v), 1);
|
|
TEST_CUBLAS("cublasZhpmv");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/***************************************************************************//**
|
|
* computes the outer product of this real vector \f$\vec{a}\f$ with given
|
|
* real vector \f$\vec{b}\f$ and scales the resulting matrix with factor \f$\alpha\f$, i.e.
|
|
* the matrix elements of the final matrix \f$A\f$ can be expressed as
|
|
* \f[A_{i,j} = \alpha\cdot\vec{a}_i\vec{b}_j\f]
|
|
* @param[in] b real vector \f$\vec{b}\f$
|
|
* @param[in] conj not used
|
|
* @param[in] scale real factor \f$\alpha\f$
|
|
******************************************************************************/
|
|
template<>
|
|
const NRMat<double> NRVec<double>::otimes(const NRVec<double> &b,const bool conj, const double &scale) const {
|
|
|
|
SAME_LOC(*this, b);
|
|
NRMat<double> result(0.0, nn, b.nn, this->getlocation());
|
|
#ifdef CUDALA
|
|
if(location == cpu){
|
|
#endif
|
|
cblas_dger(CblasRowMajor, nn, b.nn, scale, v, 1, b.v, 1, result, b.nn);
|
|
#ifdef CUDALA
|
|
}else{
|
|
cublasDger(b.nn, nn, scale, b.v, 1, v, 1, result[0], b.nn);
|
|
TEST_CUBLAS("cublasDger");
|
|
}
|
|
#endif
|
|
return result;
|
|
}
|
|
|
|
/***************************************************************************//**
|
|
* computes the outer product of this complex vector \f$\vec{a}\f$ with given
|
|
* complex vector \f$\vec{b}\f$ and scales the resulting matrix with factor \f$\alpha\f$, i.e.
|
|
* the matrix elements of the final matrix \f$A\f$ can be expressed as
|
|
* \f[A_{i,j} = \alpha\cdot\vec{a}_i\vec{b}_j\f]
|
|
* in case <code>conj = true</code>, the result is
|
|
* \f[A_{i,j} = \alpha\cdot\vec{a}_i\vec{b}_j^{*}\f]
|
|
* @param[in] b complex vector \f$\vec{b}\f$
|
|
* @param[in] conj determines whther the vector \f$\vec{b}\f$ is conjugated
|
|
* @param[in] scale complex scaling factor \f$\alpha\f$
|
|
******************************************************************************/
|
|
template<>
|
|
const NRMat<std::complex<double> >
|
|
NRVec<std::complex<double> >::otimes(const NRVec<std::complex<double> > &b, const bool conj, const std::complex<double> &scale) const {
|
|
|
|
SAME_LOC(*this, b);
|
|
NRMat<std::complex<double> > result(0., nn, b.nn, this->getlocation());
|
|
|
|
#ifdef CUDALA
|
|
if(location == cpu){
|
|
#endif
|
|
if(conj){
|
|
cblas_zgerc(CblasRowMajor, nn, b.nn, &scale, v, 1, b.v, 1, result, b.nn);
|
|
}else{
|
|
cblas_zgeru(CblasRowMajor, nn, b.nn, &scale, v, 1, b.v, 1, result, b.nn);
|
|
}
|
|
#ifdef CUDALA
|
|
}else{
|
|
if(conj){
|
|
const cuDoubleComplex alpha = make_cuDoubleComplex(scale.real(), -scale.imag());
|
|
|
|
cublasZgerc(b.nn, nn, alpha, (cuDoubleComplex*)(b.v), 1, (cuDoubleComplex*)(v), 1, (cuDoubleComplex*)(result[0]), b.nn);
|
|
TEST_CUBLAS("cublasZgerc");
|
|
|
|
result.conjugateme();
|
|
}else{
|
|
const cuDoubleComplex alpha = make_cuDoubleComplex(scale.real(), +scale.imag());
|
|
|
|
cublasZgeru(b.nn, nn, alpha, (cuDoubleComplex*)(b.v), 1, (cuDoubleComplex*)(v), 1, (cuDoubleComplex*)(result[0]), b.nn);
|
|
TEST_CUBLAS("cublasZgeru");
|
|
}
|
|
}
|
|
#endif
|
|
return result;
|
|
}
|
|
|
|
template<typename T>
|
|
int NRVec<T>::sort(int direction, int from, int to, int *perm) {
|
|
NOT_GPU(*this);
|
|
|
|
copyonwrite();
|
|
if(to == -1) to = nn - 1;
|
|
if(direction) return memqsort<1, NRVec<T>, int, int>(*this, perm, from, to);
|
|
else return memqsort<0, NRVec<T>, int, int>(*this, perm, from, to);
|
|
}
|
|
|
|
template<typename T>
|
|
int NRVec<T>::sort(int direction, NRPerm<int> &perm)
|
|
{
|
|
if(nn!=perm.size()) laerror("incompatible vector and permutation");
|
|
perm.identity();
|
|
int r=sort(direction,0,nn-1,&perm[1]);
|
|
return r;
|
|
}
|
|
|
|
template<>
|
|
NRVec<std::complex<double> > complexify(const NRVec<double> &rhs) {
|
|
NRVec<std::complex<double> > r(rhs.size(), rhs.getlocation());
|
|
|
|
#ifdef CUDALA
|
|
if(rhs.getlocation() == cpu){
|
|
#endif
|
|
cblas_dcopy(rhs.size(), &rhs[0], 1, (double *)(&r[0]), 2);
|
|
#ifdef CUDALA
|
|
}else{
|
|
r = 0;
|
|
cublasDcopy(rhs.size(), rhs.v, 1, (double*)(r.v), 2);
|
|
TEST_CUBLAS("cublasDcopy");
|
|
}
|
|
#endif
|
|
return r;
|
|
}
|
|
|
|
template<typename T>
|
|
const NRVec<T> NRVec<T>::permuted(const NRPerm<int> &p, const bool inverse) const
|
|
{
|
|
#ifdef DEBUG
|
|
if(!p.is_valid()) laerror("invalid permutation of vector");
|
|
#endif
|
|
int n=p.size();
|
|
if(n!=(*this).size()) laerror("incompatible permutation and vector");
|
|
#ifdef CUDALA
|
|
if(this->getlocation() != cpu || p.getlocation() != cpu ) laerror("permutations can be done only in CPU memory");
|
|
#endif
|
|
NRVec<T> r(n);
|
|
if(inverse) for(int i=1; i<=n; ++i) r[i-1] = v[p[i]-1];
|
|
else for(int i=1; i<=n; ++i) r[p[i]-1] = v[i-1];
|
|
return r;
|
|
}
|
|
|
|
|
|
template<typename T>
|
|
void NRVec<T>::permuteme(const CyclePerm<int> &p)
|
|
{
|
|
#ifdef DEBUG
|
|
if(!p.is_valid()) laerror("invalid permutation of vector");
|
|
#endif
|
|
if(p.max()>nn) laerror("incompatible permutation and vector");
|
|
#ifdef CUDALA
|
|
if(this->getlocation() != cpu || p.getlocation() != cpu ) laerror("permutations can be done only in CPU memory");
|
|
#endif
|
|
copyonwrite();
|
|
for(int cycle=1; cycle<=p.size(); ++cycle)
|
|
{
|
|
int length= p[cycle].size();
|
|
if(length<=1) continue; //trivial cycle
|
|
T tmp = v[p[cycle][length]-1];
|
|
for(int i=length; i>1; --i) v[p[cycle][i]-1] = v[p[cycle][i-1]-1];
|
|
v[p[cycle][1]-1] = tmp;
|
|
}
|
|
}
|
|
|
|
template<typename T>
|
|
const int NRVec<T>::find(const T &val) const
|
|
{
|
|
for(int i=0; i<nn; ++i) if(val==v[i]) return i;
|
|
return -1;
|
|
}
|
|
|
|
template<typename T>
|
|
const int NRVec<T>::findthr(const T &val, const typename LA_traits<T>::normtype &thr) const
|
|
{
|
|
for(int i=0; i<nn; ++i) if(MYABS(val-v[i])<thr) return i;
|
|
return -1;
|
|
}
|
|
|
|
|
|
template<typename T>
|
|
NRVec<T>::NRVec(const std::list<T> l) : NRVec<T>(l.size())
|
|
{
|
|
int ii=0;
|
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for(typename std::list<T>::const_iterator i=l.begin(); i!=l.end(); ++i) (*this)[ii++] = *i;
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}
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/***************************************************************************//**
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* forced instantization in the corespoding object file
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******************************************************************************/
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/*
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Commented out by Roman for ICC
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#define INSTANTIZE(T) \
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template void NRVec<T>::put(int fd, bool dim, bool transp) const; \
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template void NRVec<T>::get(int fd, bool dim, bool transp); \
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INSTANTIZE(double)
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INSTANTIZE(std::complex<double>)
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INSTANTIZE(char)
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INSTANTIZE(short)
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INSTANTIZE(int)
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INSTANTIZE(long)
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INSTANTIZE(long long)
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|
INSTANTIZE(unsigned char)
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INSTANTIZE(unsigned short)
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INSTANTIZE(unsigned int)
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INSTANTIZE(unsigned long)
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|
INSTANTIZE(unsigned long long)
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*/
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#define INSTANTIZE_DUMMY(T) \
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template<> void NRVec<T>::gemv(const T beta, const NRMat<T> &a, const char trans, const T alpha, const NRVec<T> &x) { laerror("gemv on unsupported types"); } \
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template<> void NRVec<T>::gemv(const T beta, const NRSMat<T> &a, const char trans, const T alpha, const NRVec<T> &x) { laerror("gemv on unsupported types"); } \
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template<> void NRVec<T>::gemv(const T beta, const SparseMat<T> &a, const char trans, const T alpha, const NRVec<T> &x, bool s) { laerror("gemv on unsupported types"); } \
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template<> void NRVec<T>::gemv(const LA_traits_complex<T>::Component_type beta, const LA_traits_complex<T>::NRMat_Noncomplex_type &a, const char trans, const LA_traits_complex<T>::Component_type alpha, const NRVec<T> &x) { laerror("gemv on unsupported types"); } \
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template<> void NRVec<T>::gemv(const LA_traits_complex<T>::Component_type beta, const LA_traits_complex<T>::NRSMat_Noncomplex_type &a, const char trans, const LA_traits_complex<T>::Component_type alpha, const NRVec<T> &x) { laerror("gemv on unsupported types"); } \
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template<> NRVec<T> & NRVec<T>::normalize(LA_traits<T>::normtype *) {laerror("normalize() impossible for integer types"); return *this;} \
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template<> const NRMat<T> NRVec<T>::otimes(const NRVec<T> &b,const bool conj, const T &scale) const {laerror("otimes presently implemented only for double and complex double"); return NRMat<T> ();}
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|
|
|
// Roman
|
|
// following gemv are not implemented
|
|
template<> void NRVec<double>::gemv(const double beta, const SparseMat<double> &a, const char trans, const double alpha, const NRVec<double> &x, bool s) { laerror("gemv on unsupported types"); }
|
|
template<> void NRVec< std::complex<double> >::gemv(const std::complex<double> beta, const SparseMat< std::complex<double> > &a, const char trans, const std::complex<double> alpha, const NRVec< std::complex<double> > &x, bool s) { laerror("gemv on unsupported types"); }
|
|
|
|
|
|
INSTANTIZE_DUMMY(char)
|
|
INSTANTIZE_DUMMY(short)
|
|
INSTANTIZE_DUMMY(int)
|
|
INSTANTIZE_DUMMY(long)
|
|
INSTANTIZE_DUMMY(long long)
|
|
INSTANTIZE_DUMMY(unsigned char)
|
|
INSTANTIZE_DUMMY(unsigned short)
|
|
INSTANTIZE_DUMMY(unsigned int)
|
|
INSTANTIZE_DUMMY(unsigned long)
|
|
INSTANTIZE_DUMMY(unsigned long long)
|
|
INSTANTIZE_DUMMY(std::complex<char>)
|
|
INSTANTIZE_DUMMY(std::complex<short>)
|
|
INSTANTIZE_DUMMY(std::complex<int>)
|
|
INSTANTIZE_DUMMY(std::complex<long>)
|
|
INSTANTIZE_DUMMY(std::complex<long long>)
|
|
INSTANTIZE_DUMMY(std::complex<unsigned char>)
|
|
INSTANTIZE_DUMMY(std::complex<unsigned short>)
|
|
INSTANTIZE_DUMMY(std::complex<unsigned int>)
|
|
INSTANTIZE_DUMMY(std::complex<unsigned long>)
|
|
INSTANTIZE_DUMMY(std::complex<unsigned long long>)
|
|
INSTANTIZE_DUMMY(std::complex<std::complex<double> >)
|
|
INSTANTIZE_DUMMY(std::complex<std::complex<float> >)
|
|
|
|
|
|
|
|
//also not supported on gpu
|
|
#define INSTANTIZE_NONCOMPLEX(T) \
|
|
template<>\
|
|
const T NRVec<T>::max() const\
|
|
{\
|
|
if(nn==0) return 0;\
|
|
T m=v[0];\
|
|
for(int i=1; i<nn; ++i) if(v[i]>m) m=v[i];\
|
|
return m;\
|
|
}\
|
|
\
|
|
template<>\
|
|
const T NRVec<T>::min() const\
|
|
{\
|
|
if(nn==0) return 0;\
|
|
T m=v[0];\
|
|
for(int i=1; i<nn; ++i) if(v[i]<m) m=v[i];\
|
|
return m;\
|
|
}\
|
|
|
|
|
|
|
|
INSTANTIZE_NONCOMPLEX(char)
|
|
INSTANTIZE_NONCOMPLEX(unsigned char)
|
|
INSTANTIZE_NONCOMPLEX(short)
|
|
INSTANTIZE_NONCOMPLEX(unsigned short)
|
|
INSTANTIZE_NONCOMPLEX(int)
|
|
INSTANTIZE_NONCOMPLEX(unsigned int)
|
|
INSTANTIZE_NONCOMPLEX(long)
|
|
INSTANTIZE_NONCOMPLEX(unsigned long)
|
|
INSTANTIZE_NONCOMPLEX(long long)
|
|
INSTANTIZE_NONCOMPLEX(unsigned long long)
|
|
INSTANTIZE_NONCOMPLEX(float)
|
|
INSTANTIZE_NONCOMPLEX(double)
|
|
|
|
|
|
|
|
|
|
/***************************************************************************
|
|
*some efficient specializations of concatenations for plain data types
|
|
******************************************************************************/
|
|
|
|
#define INSTANTIZE_CONCAT(T) \
|
|
template<> \
|
|
NRVec<T> NRVec<T>::concat(const NRVec<T> &rhs) const \
|
|
{ \
|
|
if(nn==0) return rhs; \
|
|
if(rhs.nn==0) return *this; \
|
|
NOT_GPU(*this); \
|
|
NOT_GPU(rhs); \
|
|
NRVec<T> r(nn+rhs.nn); \
|
|
memcpy(r.v,v,nn*sizeof(T)); \
|
|
memcpy(r.v+nn,rhs.v,rhs.nn*sizeof(T)); \
|
|
return r; \
|
|
} \
|
|
|
|
|
|
INSTANTIZE_CONCAT(char)
|
|
INSTANTIZE_CONCAT(unsigned char)
|
|
INSTANTIZE_CONCAT(short)
|
|
INSTANTIZE_CONCAT(unsigned short)
|
|
INSTANTIZE_CONCAT(int)
|
|
INSTANTIZE_CONCAT(unsigned int)
|
|
INSTANTIZE_CONCAT(long)
|
|
INSTANTIZE_CONCAT(unsigned long)
|
|
INSTANTIZE_CONCAT(long long)
|
|
INSTANTIZE_CONCAT(unsigned long long)
|
|
INSTANTIZE_CONCAT(float)
|
|
INSTANTIZE_CONCAT(double)
|
|
INSTANTIZE_CONCAT(std::complex<float>)
|
|
INSTANTIZE_CONCAT(std::complex<double>)
|
|
|
|
|
|
|
|
|
|
template class NRVec<double>;
|
|
template class NRVec<std::complex<double> >;
|
|
template class NRVec<char>;
|
|
template class NRVec<short>;
|
|
template class NRVec<int>;
|
|
template class NRVec<long>;
|
|
template class NRVec<long long>;
|
|
template class NRVec<unsigned char>;
|
|
template class NRVec<unsigned short>;
|
|
template class NRVec<unsigned int>;
|
|
template class NRVec<unsigned long>;
|
|
template class NRVec<unsigned long long>;
|
|
|
|
}//namespace
|