Documentation

This is machine translation

Translated by Microsoft
Mouseover text to see original. Click the button below to return to the English verison of the page.

Note: This page has been translated by MathWorks. Please click here
To view all translated materals including this page, select Japan from the country navigator on the bottom of this page.

ssGetDataTypeFractionLength

Return fraction length of registered data type with power-of-two scaling

Syntax

extern int ssGetDataTypeFractionLength (SimStruct *S, DTypeId
                                        dataTypeId)

Arguments

S

SimStruct representing an S-function block.

dataTypeId

Data type ID of the registered data type for which you want to know the fraction length.

Description

This function returns the fraction length, or the number of bits to the right of the binary point, of the data type designated by dataTypeId.

This function errors out when ssGetDataTypeIsScalingPow2 returns FALSE.

This function also errors out when ssGetDataTypeIsFxpFltApiCompat returns FALSE.

Requirement

To use this function, you must include fixedpoint.h and fixedpoint.c. For more information, see Structure of the S-Function.

Languages

C

TLC Functions

FixPt_DataTypeFractionLength

Introduced before R2006a

Was this topic helpful?