Chapter 25. CORDIC Architectures for FPGA Computing
Chris DickAdvanced Systems Technology GroupDSP Division of Xilinx, Inc.
Because field-programmable gate arrays (FPGAs) are often used for realizing complex mathematical calculations, the FPGA designer is in need of a set of math libraries to support such implementations. The literature is rich with algorithmic options for evaluating the type of math functions (e.g., sine, cosine, sinh, cosh, arctangent, atan2, logarithms) that are typically found in a math library for general-purpose and DSP processors. The enormous flexibility of the FPGA coupled with the vast suite of algorithmic options for computing math functions can make the development of an FPGA math library a challenging task.
Common approaches ...
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