libquadmath0-dbg software package provides GCC Quad-Precision Math Library (debug symbols), you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libquadmath0-dbg
libquadmath0-dbg is installed in your system.
Make ensure the libquadmath0-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep libquadmath0-dbg *
You will get with libquadmath0-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Debug packages |
| Package | libquadmath0-dbg |
| Version | 4.8.4-2ubuntu1~14.04.3 |
| Description | GCC Quad-Precision Math Library (debug symbols) |
| Sub Section | debug |