cmsis_dsp 0.2.0

Bindings to the CMSIS DSP library for ARM Cortex-M processors
Documentation 
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//! Complex number operations

use num_complex::Complex32;

use crate::check_length;

/// Calculates the magnitude of each complex number in a provided source slice, and stores
/// each result in the corresponding position in the destination slice
///
/// # Panics
///
/// This function panics if source.len() is not equal to destination.len(), or if either length
/// is too large to fit into a 32-bit integer
#[inline]
pub fn complex_magnitude_f32(source: &[Complex32], destination: &mut [f32]) {
    let length = check_length((source.len(), destination.len()));
    unsafe {
        cmsis_dsp_sys::arm_cmplx_mag_f32(source.as_ptr() as *const f32, destination.as_mut_ptr(), length);
    }
}