MATLAB에서의 수동 고정소수점 변환

도움을 받아 부동소수점 알고리즘을 고정소수점 알고리즘으로 변환

buildInstrumentedMex 함수를 사용하여, 명명된 모든 중간 변수의 최솟값과 최댓값을 기록하기 위해 알고리즘을 계측할 수 있습니다. showInstrumentationResults 함수를 사용하여, 그러한 기록된 값을 기반으로 고정소수점 데이터형을 제안할 수 있습니다.

함수

모두 확장

계측

`buildInstrumentedMex`	Generate compiled C code function including logging instrumentation
`showInstrumentationResults`	Results logged by instrumented, compiled C code function
`clearInstrumentationResults`	Clear results logged by instrumented, compiled C code function

고정소수점 데이터형 정의

`fi`	고정소수점 숫자형 객체 생성
`fimath`	Set fixed-point math settings
`numerictype`	고정소수점 또는 부동소수점 데이터형을 나타내는 `embedded.numerictype` 객체 생성

데이터형 간에 형변환

`eye`	Create identity matrix with fixed-point properties
`ones`	Create array of all ones with fixed-point properties
`zeros`	고정소수점 속성을 갖는 모두 0으로 구성된 배열 생성
`cast`	변수를 다른 데이터형으로 형변환
`cast64BitFiToInt`	Cast `fi` object types that can be exactly represented to a 64-bit integer data type (R2020a 이후)
`cast64BitIntToFi`	Cast 64-bit integer types to an equivalent `fi` object type (R2020a 이후)
`castFiToInt`	Cast fi object to equivalent integer data type (R2020a 이후)
`castFiToMATLAB`	Cast `fi` object type to an equivalent built-in MATLAB data type (R2020a 이후)
`castIntToFi`	Cast an integer data type to equivalent `fi` type (R2020a 이후)

도움말 항목

Fixed-Point Conversion Workflows
Learn which fixed-point conversion method best matches your end goal and your level of fixed-point expertise.
Decide Which Workflow is Right for Your Application
Learn the benefits of each conversion workflow to help you decide which one best fits your needs.
Manual Fixed-Point Conversion Workflow
Learn about workflow for manual float-to-fixed conversion.
Manual Fixed-Point Conversion Best Practices
Get from generic MATLAB^® code to an efficient fixed-point implementation using manual fixed-point conversion.
Manually Convert a Floating-Point MATLAB Algorithm to Fixed Point
Manual conversion of a floating-point MATLAB algorithm to fixed point.
Know When a Function is Supported for Instrumentation and Acceleration
Determine which functions are supported for fixed-point conversion.