https://www.mathworks.com/help/hdlcoder/ug/complex-data-type-support-for-hls-code-generation.html
Complex Data Type Support for High-Level Synthesis Code Generation - MATLAB & Simulink
Describes how complex signals and operations in MATLAB code map to generated High-Level Synthesis (HLS) code.
complex data typehigh level synthesissupport for
https://www.intel.com/content/www/us/en/docs/oneapi-fpga-add-on/optimization-guide/2023-2/declare-the-ac-complex-data-type.html
Declare the ac_complex Data Type
The FPGA Optimization Guide provides guidance on leveraging the functionalities of SYCL* to optimize your design.
the accomplex datadeclaretype