Simulink Fixed Point simulink $toolbox/simulink/simulink/simulinkicon.gif Simulink Fixed Point simulates fixed-point arithmetic used in fixed-point processors. When a control or communication system is implemented on an embedded processor, the tradeoff of limited range verses limited precision is often very significant. This is true even for floating point processors, but it is especially true for fixed-point processors. Simulink Fixed Point simulates the details related to the embedded system implementation. It also provides tools for managing the tradeoff between range and precison.

• Fixed-point signals
• 1 to 128 bits
• any Radix Point
• Signed or unsigned
• Floating point signals
• Doubles
• Singles
• Custom
• Control over all operations
• Round to Zero, Nearest, Ceiling or Floor
• Overflows saturate or wrap
• Generate code for execution on an embedded processor

]]> Double to Fixed-Point Conversion fxpdemo_dbl2fix Fixed-Point to Fixed-Point Conversion fxpdemo_fix2fix Fixed-Point to Fixed-Point Inherited Conversion fxpdemo_fix2fixinh1 Fixed-Point Sine fxpdemo_sine Fixed-Point Filters fxpdemo_filters Scaling a Fixed-Point Control Design fxptdlg('fxpdemo_feedback') Generating Only Fixed-Point Code fxpdemo_code_only Fixed-Point Integrators fxpdemo_integrate Fixed-Point Derivatives fxpdemo_diff Fixed-Point Lead and Lag Filters fxpdemo_lead_lag Fixed-Point State Space fxpdemo_state_space Fixed-Point Data Type Propagation fxpdemo_dtprop Fixed-Point Function Approximation fxpdemo_approx_sin Fixed-Point Direct Form Filter fxpdemo_direct_form2 Fixed-Point Parallel Form Filter fxpdemo_parallel_form Fixed-Point Series Cascade Form Filter fxpdemo_series_cascade_form Fixed-Point S-Function Example: Querying Properties fxpdemo_probe Fixed-Point S-Function Example: Arithmetic Shift fxpdemo_sfun_user_asr Fixed-Point S-Function Example: Fixed-Point Source fxpdemo_sfun_user_const Fixed-Point S-Function Example: Data Type Propagation fxpdemo_sfun_user_dtprop Fixed-Point S-Function Example: Product and Sum fxpdemo_sfun_user_prodsum