Single Point Interpolation

R2026b

Perform single point interpolation

Since R2023a

• 

Single Point Interpolation block

To add a block to a model, double-click the canvas and start typing the block name. Then, select the block from the list.

Libraries:
AUTOSAR Blockset / Classic Platform / Library Routines / Interpolation

Description

The Single Point Interpolation block performs linear interpolation using the AUTOSAR Ifl_Interpolate_f32 routine. The Single Point Interpolation block performs interpolation using inputs u₁ and u₂ and a fraction source parameter f according to this equation: $$y=u_1+f(u_2-u_1)$$

You can specify the fraction source using the Block Parameters dialog box or an Input port. The Single Point Interpolation block supports software-in-the-loop (SIL) mode.

When you select the AUTOSAR 4.x code replacement library (CRL) for your AUTOSAR model, your model replaces code that you generate for this block with a call to the Ifl_Interpolate_f32 AUTOSAR library routine.

Ports

Input

u₁ — First input signal

scalar | vector

Input signal, specified as a scalar or vector.

Data Types: single

u₂ — Second input signal

scalar | vector

Input signal, specified as a scalar or vector.

Data Types: single

f — Fraction value

scalar

Coefficient for the Ifl_Interpolate_f32 routine.

Dependencies

To enable this port, set the Source field of the Fraction parameter to Input port.

Data Types: single

Output

y — Output signal

scalar | vector

Output signal, returned as a scalar or vector.

Data Types: single

Parameters

Fraction — Fraction source and value

0 (default) | scalar

Source and value of the coefficient for the Ifl_Interpolate_f32 routine.

Specify the Source field of this parameter as one of these values.

• Dialog — Set the coefficient using the Value field of this parameter.

• Input port — Set the coefficient using the f port. The block uses the value of this port as the coefficient.

Programmatic Use

Block Parameter: FractionValue

Type: character vector

Values: '0' | scalar

Default: '0'

Programmatic Use: Add Block

To add the block programmatically, use the add_block function with one of these library block paths as the source.

"autosarlibiflifx/Single Point Interpolation"

Example: add_block("autosarlibiflifx/Single Point Interpolation","myModel/myBlock",MakeNameUnique="on")

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using Simulink® Coder™.

Version History

Introduced in R2023a

R2025a: AUTOSAR Code Replacement Library Supports Schema After Release 4.0

Starting in 25a, the AUTOSAR code replacement library supports AUTOSAR schema versions after AUTOSAR 4.0. To use the latest AUTOSAR routines, in the model Configuration Parameters dialog box in the Code Generation > Interface pane, specify Code replacement libraries as AUTOSAR 4.x.