Dear ROOTers and C-inters, I have a class called X which takes three double values, and my aim is to rotate these values with a [3][3] rotation matrix.. Can I pass arrays as arguments to the member function ??? It compiles perfectly with g++. I use linux. The contents are: **************************************************************** #ifndef X_H #define X_H #include<iostream> using namespace std; class X { double x_, y_, z_; public: X(double x1,double y1, double z1); X(); double getX() const { return x_;} double getY() const { return y_;} double getZ() const { return z_;} friend X getRotatedX(X const & , double [3][3] ); }; X::X() { cout<<"Please enter [x y z]: "; cin>>x_>>y_>>z_; } X::X( double x1_, double y1_, double z1_) :x_(x1_),y_(y1_),z_(z1_){} void X::showXYZ(ostream& os ) const { os<< x_<<'\t'<<y_<<'\t'<<z_<<endl; } X getRotatedX(X const & aa, double a_[3][3]) { double a1_=a_[0][0]*aa.getX()+a_[0][1]*aa.getY()+ a_[0][2]*aa.getZ(); double b1_=a_[1][0]*aa.getX()+a_[1][1]*aa.getY()+ a_[1][2]*aa.getZ(); double c1_=a_[2][0]*aa.getX()+a_[2][1]*aa.getY()+ a_[2][2]*aa.getZ(); X p(a1_,b1_,c1_); return p; } #endif ******************************************************* Now I do: >>@user>>makecint -mk MakeBio -o bio -H x.h >>@user>>make -f MakeBio // I get the following error... ****************************************************************** /home/shiva/cint/cint -w0 -zbio -nG__cpp_bio.C -D__MAKECINT__ -DG__MAKECINT -c-1 -A -DG__REGEXP -DG__SHAREDLIB -DG__OSFDLL -DG__ANSI x.h g++ -Wall -fguiding-decls -I/home/shiva/cint -DG__REGEXP -DG__SHAREDLIB -DG__OSFDLL -DG__ANSI -O2 -c G__cpp_bio.C G__cpp_bio.C: In function `int G___getRotatedX_3_3(G__value *, const char *, G__param *, int)': G__cpp_bio.C:152: passing `double **' as argument 2 of `getRotatedX(const X &, double (*)[3])' G__cpp_bio.C: In function `int G___getTranslatedX_4_3(G__value *, const char *, G__param *, int)': G__cpp_bio.C:162: passing `double **' as argument 2 of `getTranslatedX(const X &, double (*)[1])' G__cpp_bio.C: In function `int G___getRotoTranslatedX_5_3(G__value *, const char *, G__param *, int)': G__cpp_bio.C:173: passing `double **' as argument 2 of `getRotoTranslatedX(const X &, double (*)[3], double (*)[1])' make: *** [G__cpp_bio.o] Error 1 *********************************************************** where am I doing the mistake ??? thankyou very much for the help . sincerely, prasad. Happy Day, Prasad, B.V.L.S., Research Scholar. ***************************************************************************** AIM OF SCIENTIFIC ADVENTURE : NATURE CRYSTALLOGRAPHY ***************************************************************************** _________ __________ ________ ___________ ___________ ___________ |Thought| | Fourier| | | |Different| | Fourier | |Structure| | waves |-->|Analysis|-->|NATURE|-->|Forms of |-->|Synthesis|-->| of | | | | | | | |Knowledge| | | | NATURE | |_______| |________| |______| |_________| |_________| |_________| ***************************************************************************** shiva@mbu.iisc.ernet.in PROTEIN CRYSTALLOGRAPHY ...Shiva *****************************************************************************
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