.. _math_h_prob:

==================
Include math.h lib
==================

.. note:: In the standard UltraZohm software, this TCL script :ref:`vitis_gen_workspace_tcl` should take care of this step.

If the compiler throws an error when using functions from ``math.h``, you will have to tell the compiler to link the standard math library.

Open the project properties.

.. image:: ./images_problems/include_math_lib1.png
   :height: 400

Add the math library by going through the steps.

1. C/C++ build -> Settings
2. ARM R5 gcc linker -> libraries
3. Small button Add...
4. Type in "m"
5. OK
6. **Apply**
7. Apply and Close

   ..	image:: ./images_problems/include_math_lib2.png