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This commit is contained in:
jiri 2007-11-29 13:52:31 +00:00
parent ebedb9eecc
commit 3580715b32
2 changed files with 5 additions and 1 deletions
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4
la_traits.h
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@ -127,6 +127,7 @@ static void multiget(unsigned int n,int fd, complex<C> *x, bool dimensions=0){if
static void multiput(unsigned int n, int fd, const complex<C> *x, bool dimensions=0) {if((ssize_t)(n*sizeof(complex<C>))!=write(fd,x,n*sizeof(complex<C>))) laerror("write error");}
static void copy(complex<C> *dest, complex<C> *src, unsigned int n) {memcpy(dest,src,n*sizeof(complex<C>));}
static void clear(complex<C> *dest, unsigned int n) {memset(dest,0,n*sizeof(complex<C>));}
static void copyonwrite(complex<C> &x) {};
};
//non-complex scalars
@ -146,6 +147,7 @@ static void multiput(unsigned int n,int fd, const C *x, bool dimensions=0){if((s
static void multiget(unsigned int n, int fd, C *x, bool dimensions=0) {if((ssize_t)(n*sizeof(C))!=read(fd,x,n*sizeof(C))) laerror("read error");}
static void copy(C *dest, C *src, unsigned int n) {memcpy(dest,src,n*sizeof(C));}
static void clear(C *dest, unsigned int n) {memset(dest,0,n*sizeof(C));}
static void copyonwrite(C &x) {};
};
@ -171,6 +173,7 @@ static void multiput(unsigned int n,int fd, const C *x, bool dimensions=1) {for(
static void multiget(unsigned int n,int fd, C *x, bool dimensions=1) {for(unsigned int i=0; i<n; ++i) x[i].get(fd,dimensions);} \
static void copy(C *dest, C *src, unsigned int n) {for(unsigned int i=0; i<n; ++i) dest[i]=src[i];} \
static void clear(C *dest, unsigned int n) {for(unsigned int i=0; i<n; ++i) dest[i].clear();}\
static void copyonwrite(X<C> &x) {x.copyonwrite();}\
};
@ -200,6 +203,7 @@ static void multiput(unsigned int n,int fd, const C *x, bool dimensions=1) {for(
static void multiget(unsigned int n,int fd, C *x, bool dimensions=1) {for(unsigned int i=0; i<n; ++i) x[i].get(fd,dimensions);} \
static void copy(C *dest, C *src, unsigned int n) {for(unsigned int i=0; i<n; ++i) dest[i]=src[i];} \
static void clear(C *dest, unsigned int n) {for(unsigned int i=0; i<n; ++i) dest[i].clear();} \
static void copyonwrite(X<C> &x) {x.copyonwrite();} \
};
generate_traits_smat(NRSMat)

2
matexp.h
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@ -253,7 +253,7 @@ return r;
template<class M, class V>
void exptimesdestructive(const M &mat, V &result, V &rhs, bool transpose=false, const double scale=1., int maxpower= -1, int maxtaylor= -1, bool mat_is_0=false) //uses just matrix vector multiplication
{
if(mat_is_0) {result=rhs; return;}
if(mat_is_0) {result = rhs; LA_traits<V>::copyonwrite(result); return;} //prevent returning a shallow copy of rhs
if(mat.nrows()!=mat.ncols()||(unsigned int) mat.nrows() != (unsigned int)rhs.size()) laerror("inappropriate sizes in exptimes");
int power;