FIxed Point Conversion Basics and Type Specification

Introduction to floating point to fixed point conversion, fixed-point runtime function support for HDL code generation

Functions

codegenGenerate HDL code from MATLAB code
coder.configCreate HDL Coder code generation configuration objects
coder.approximationCreate function replacement configuration object

Classes

coder.FixptConfigFloating-point to fixed-point conversion configuration object

Topics

Automated Fixed-Point Conversion

Convert floating-point MATLAB® code to fixed-point code.

Specify Type Proposal Options

Specify Properties of Entry-Point Function Inputs

Specify input properties so that the code generator can determine the properties of all variables.

Data Type Issues in Generated Code

Highlight potential data type issues in report.

Functions Supported for HDL Code Generation

Built-in MATLAB and toolbox functions supported for HDL code generation.

Custom Plot Functions

Use a custom plotting function to visualize the differences between the floating-point and fixed-point results

Featured Examples

Working with Fixed-Point Code

Working with Fixed-Point Code

HDL code generation from a fixed-point MATLAB® design that is ready for code generation.

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Floating-Point to Fixed-Point Conversion

Floating-Point to Fixed-Point Conversion

Start with a floating-point design in MATLAB, iteratively converge on an efficient fixed-point design in MATLAB, and verify the numerical accuracy of the generated fixed-point design.

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Fixed-Point Type Conversion and Refinement

Fixed-Point Type Conversion and Refinement

Achieve your desired numerical accuracy when converting fixed-point MATLAB® code to floating-point code using the HDL Workflow Advisor.

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Working with Generated Fixed-Point Files

Working with Generated Fixed-Point Files

Work with the files generated during floating-point to fixed-point conversion.

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Fixed-Point Type Conversion and Derived Ranges

Fixed-Point Type Conversion and Derived Ranges

Achieve your desired numerical accuracy when converting fixed-point MATLAB® code to floating-point code using static range analysis which helps to compute derived ranges of the variables from design ranges.

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HDL Coder Documentation

Support