*** empty log message ***

la_traits.h

@@ -127,6 +127,7 @@ static inline void put(int fd, const complex<C> &x, bool dimensions=0, bool tran
 static void multiget(unsigned int n,int fd, complex<C> *x, bool dimensions=0){if((ssize_t)(n*sizeof(complex<C>))!=read(fd,x,n*sizeof(complex<C>))) laerror("read error");}
 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>));}
 };
 
 //non-complex scalars
@@ -145,6 +146,7 @@ static inline void get(int fd, C &x, bool dimensions=0, bool transp=0) {if(sizeo
 static void multiput(unsigned int n,int fd, const C *x, bool dimensions=0){if((ssize_t)(n*sizeof(C))!=write(fd,x,n*sizeof(C))) laerror("write error");}
 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));}
 };
 
 
@@ -169,6 +171,7 @@ static void get(int fd, C &x, bool dimensions=1, bool transp=0) {x.get(fd,dimens
 static void multiput(unsigned int n,int fd, const C *x, bool dimensions=1) {for(unsigned int i=0; i<n; ++i) x[i].put(fd,dimensions);} \
 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]=C(0);}\
 };
 
 
@@ -192,9 +195,10 @@ static inline normtype norm (const NRSMat<C> &x) {return x.norm();}
 static inline void axpy (NRSMat<C>&s, const NRSMat<C> &x, const C c) {s.axpy(c,x);} 
 static void put(int fd, const C &x, bool dimensions=1, bool transp=0) {x.put(fd,dimensions);} 
 static void get(int fd, C &x, bool dimensions=1, bool transp=0) {x.get(fd,dimensions);} 
-static void multiput(unsigned int n,int fd, const C *x, bool dimensions=1) {for(unsigned int i=0; i<n; ++i) x[i].put(fd,dimensions);} \
-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 multiput(unsigned int n,int fd, const C *x, bool dimensions=1) {for(unsigned int i=0; i<n; ++i) x[i].put(fd,dimensions);} 
+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]=C(0);}
 };
 
 

laerror.cc

@@ -3,6 +3,11 @@
 #include "laerror.h"
 #include <stdio.h>
 #include <errno.h>
+
+#ifdef USE_TRACEBACK
+#include "traceback.h"
+#endif
+
 void laerror(const char *s1)
 {
   std::cerr << "LA:ERROR - ";
@@ -13,8 +18,13 @@ void laerror(const char *s1)
     std::cout << s1  << "\n";
   }
   if(errno) perror("system error");
-  throw LAerror(s1);
+
+#ifdef USE_TRACEBACK
+  traceback(1);
   exit(1);
+#else
+  throw LAerror(s1); //traceback possible via sigtraceback, but BFD library might fail for -O3 code on some machines and source lines would not be available
+#endif
 }
 
 //stub for f77 blas called from strassen routine

mat.h

@@ -38,6 +38,7 @@ public:
 	const bool operator==(const NRMat &rhs) const {return !(*this != rhs);};
 	inline int getcount() const {return count?*count:0;}
 	NRMat & operator=(const NRMat &rhs);  //assignment
+        void clear() {LA_traits<T>::clear((*this)[0],nn*mm);}; //zero out
 	NRMat & operator=(const T &a);    //assign a to diagonal
 	NRMat & operator|=(const NRMat &rhs); //assignment to a new copy
 	NRMat & operator+=(const T &a);   //add diagonal

smat.h

@@ -23,6 +23,7 @@ public:
 	explicit NRSMat(const NRVec<T> &rhs, const int n); //construct matrix from vector
 	NRSMat & operator|=(const NRSMat &rhs);	//assignment to a new copy
 	NRSMat & operator=(const NRSMat &rhs);	//assignment
+	void clear() {LA_traits<T>::clear(v,NN2);}; //zero out
 	NRSMat & operator=(const T &a);		//assign a to diagonal
         const bool operator!=(const NRSMat &rhs) const {if(nn!=rhs.nn) return 1; return LA_traits<T>::gencmp(v,rhs.v,NN2);} //memcmp for scalars else elementwise
         const bool operator==(const NRSMat &rhs) const {return !(*this != rhs);};

test.cc

@@ -2,10 +2,21 @@
 #include "qsort.h"
 #include "la.h"
 #include "fourindex.h"
+#include "laerror.h"
+#include "traceback.h"
 
+void test2(char *msg)
+{
+laerror(msg);
+}
 
 int main(void)
 {
+sigtraceback(SIGSEGV,1);
+sigtraceback(SIGABRT,1);
+sigtraceback(SIGBUS,1);
+sigtraceback(SIGFPE,1);
+
 bitvector v(100);
 v.fill();
 bitvector x(50); x=v;
@@ -37,6 +48,8 @@ cout<<t;
 NRSMat_from1<double> a(5),b(5),c;
 c=a+b;
 
+test2("pokus");
+
 fourindex<int,double> f;
 fourindex_dense<twoelectronrealmullikan,double,int> ff(f);
 }

vec.h

@@ -52,6 +52,7 @@ public:
 #endif
 	NRVec & operator=(const NRVec &rhs);
 	NRVec & operator=(const T &a);  //assign a to every element
+	void clear() {LA_traits<T>::clear(v,nn);}; //zero out
 	NRVec & operator|=(const NRVec &rhs);
 	const bool operator!=(const NRVec &rhs) const {if(nn!=rhs.nn) return 1; return LA_traits<T>::gencmp(v,rhs.v,nn);} //memcmp for scalars else elementwise
 	const bool operator==(const NRVec &rhs) const {return !(*this != rhs);};