The library mpfr provides the extended arithmetic for the number type floating. The following files should be available:

• mpfr.h: the header files for the declarations exported from the library,

• libmpfr.[a,so,dyl]: the library compiled either statically or dynamically.

1.Source code installation

The source code is available from the url http://www.mpfr.org/. The installation instructions are

./configure && make && make install

2.Debian installation

For a debian installation with apt-get, type

sudo apt-get install libmpfr3-dev

3.MacOSX installation

The instruction for an installation with fink are:

sudo fink install libmpfr1 libmpfr1-shlibs