30. Q31_real_mul_real

30.1. Function description:

This demo shows the FFT Q31 external calculation about real multiplication.

External calculation configure and enable real multiplication arithmetic mode:

• Initialize & configure the FFT.

• Set the address of input data, then loading and start calculation.

• Waiting calculation done to compare the result with the golden data to check.

Note

Only RTL configure the FFT external calculation, the ctest is valid.

30.2. Test result:

If the output result is same as the golden data, then print pass, if not print fail.

30.3. IO connection:

None