Question #112556 on DOLFIN changed: https://answers.launchpad.net/dolfin/+question/112556
Nguyen Van Dang posted a new comment: Thanks Mr. Johan Hake. That solved my problem. On Tue, May 31, 2011 at 7:31 PM, Johan Hake < question112...@answers.launchpad.net> wrote: > Question #112556 on DOLFIN changed: > https://answers.launchpad.net/dolfin/+question/112556 > > Johan Hake posted a new comment: > Array is included in the dolfin namespace. Exchange Array with > dolfin::Array, > or remove all dolfin:: from your code by including > > using namespace dolfin; > > Have a look in any of the included C++ demos and you get a hint. > > Johan > > On Tuesday May 31 2011 10:15:57 Nguyen Van Dang wrote: > > Question #112556 on DOLFIN changed: > > https://answers.launchpad.net/dolfin/+question/112556 > > > > Nguyen Van Dang posted a new comment: > > I tried a simple program as following: > > #include <iostream> > > #include <dolfin.h> > > int main() > > { > > //declare and initialise > > int degree = 4; > > Array<double> x(degree + 1); > > Array<double> y(degree + 1); > > dolfin::Vector Y(degree + 1); > > //generate test points > > x[0] = 0; > > y[0] = 0; > > x[1] = 1; > > y[1] = -2; > > x[2] = 2; > > y[2] = -1; > > x[3] = 3; > > y[3] = -2; > > x[4] = 4; > > y[4] = 0; > > //set vector > > Y.set_local(y); > > } > > I got the error: 'Array' was not declared in this scope. Can you help me > > again? > > Thanks a lot. > > Nguyen Van Dang > > > > On Tue, May 31, 2011 at 6:55 PM, Johan Hake < > > > > question112...@answers.launchpad.net> wrote: > > > Question #112556 on DOLFIN changed: > > > https://answers.launchpad.net/dolfin/+question/112556 > > > > > > Johan Hake posted a new comment: > > > > > > On Tuesday May 31 2011 09:31:05 Nguyen Van Dang wrote: > > > > Question #112556 on DOLFIN changed: > > > > https://answers.launchpad.net/dolfin/+question/112556 > > > > > > > > Nguyen Van Dang posted a new comment: > > > > Hello, > > > > When running this program on Windows, I got the following error: > > > > no matching function for call to 'dolfin:Vector::set_local(double*&)' > > > > candidate is: virtual void dolfin::Vector::set_local(const > > > > dolfin::Array<double>&) Can you help me to solve this problem? > > > > Thanks in advance. > > > > Nguyen Van Dang > > > > > > You need to let x and y to be of type Array<double> instead of > C-arrays. > > > Exchange these lines > > > > > > double *x = new double[degree + 1]; > > > double *y = new double[degree + 1]; > > > > > > with > > > > > > Array<double> x(degree + 1); > > > Array<double> y(degree + 1); > > > > > > and you can remove the cleaning of the arrays as well. > > > > > > Johan > > > > > > -- > > > You received this question notification because you are a direct > > > subscriber of the question. > > -- > You received this question notification because you are a direct > subscriber of the question. > -- Nguyen Van Dang Home Tel: +84 7 92 21 36 28 Another email: dang.1032...@yahoo.com.vn You received this question notification because you are a member of DOLFIN Team, which is an answer contact for DOLFIN. _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : dolfin@lists.launchpad.net Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
