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System Objects Supported for Automated Fixed-Point Conversion

Use the fiaccel function to automatically propose and apply data types for commonly used system objects. The proposed data types are based on simulation data from the System object™.

Automated conversion is available for these DSP System Toolbox™ System Objects:

  • You cannot propose data types for these System objects based on static range data.

  • You must configure the System object to use 'Custom' fixed-point settings.

  • The fiaccel function applies the proposed data types only if the input signal is floating point, not fixed-point.

    fiaccel treats scaled doubles as fixed-point. The scaled doubles workflow for System objects is the same as that for regular variables.

  • fiaccel ignores the Default word length setting in the Settings menu, as well as specified rounding and overflow modes. Data-type proposals are based on the settings of the System object.

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