 If you want to have a program which 
behaves exactly in the same way on both architectures, you can use the <code class="code">Fpu</code> 
module <code class="code">fcos</code>, <code class="code">fsin</code> or <code class="code">ftan</code> functions which always return the same values on all 
architectures, or even use the <code class="code">Fpu_rename</code> or <code class="code">Fpu_rename_all</code> modules to transparently
rename the floating point functions.
<p>

The functions are quite efficient (