jiri/LA_library
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jiri
2005-02-14 00:10:07 +00:00
parent ac8afe89ad
commit 6150e1b9c6
14 changed files with 513 additions and 62 deletions
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22
vec.h
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@@ -2,7 +2,6 @@
#define _LA_VEC_H_
#include "laerror.h"
extern "C" {
#include "cblas.h"
}
@@ -13,6 +12,8 @@ extern "C" {
using namespace std;
#include "la_traits.h"
template <typename T> class NRVec;
template <typename T> class NRSMat;
template <typename T> class NRMat;
@@ -69,6 +70,8 @@ public:
NRVec & operator=(const NRVec &rhs);
NRVec & operator=(const T &a); //assign a to every element
NRVec & operator|=(const NRVec &rhs);
const bool operator!=(const NRVec &rhs) const {if(nn!=rhs.nn) return 1; return(memcmp(v,rhs.v,nn*sizeof(T)));}
const bool operator==(const NRVec &rhs) const {return !(*this != rhs);};
const NRVec operator-() const;
inline NRVec & operator+=(const NRVec &rhs);
inline NRVec & operator-=(const NRVec &rhs);
@@ -99,6 +102,8 @@ public:
const T alpha, const NRVec &x);
void copyonwrite();
void resize(const int n);
void get(int fd, bool dimensions=1);
void put(int fd, bool dimensions=1) const;
NRVec & normalize();
inline const double norm() const;
inline const T amax() const;
@@ -495,15 +500,28 @@ template <typename T>
void NRVec<T>::resize(const int n)
{
#ifdef DEBUG
if(n<=0) laerror("illegal vector dimension");
if(n<0) laerror("illegal vector dimension");
#endif
if(count)
{
if(n==0)
{
if(--(*count) <= 0) {
if(v) delete[] (v);
delete count;
}
count=0;
nn=0;
v=0;
return;
}
if(*count > 1) {
(*count)--;
count = 0;
v = 0;
nn = 0;
}
}
if(!count) {
count = new int;
*count = 1;