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Conversión manual a punto fijo en MATLAB

R2024b
Conversión asistida de algoritmos de punto flotante a algoritmos de punto fijo

Utilice la función buildInstrumentedMex para instrumentar un algoritmo y registrar los valores mínimos y máximos de todas las variables con nombre e intermedias. Utilice la función showInstrumentationResults para proponer tipos de datos de punto fijo basados en estos valores registrados.

Funciones

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buildInstrumentedMexGenerate compiled C code function including logging instrumentation
showInstrumentationResultsResults logged by instrumented, compiled C code function
clearInstrumentationResultsClear results logged by instrumented, compiled C code function
fiCrear un objeto numérico de punto fijo
fimathSet fixed-point math settings
numerictypeCreate an embedded.numerictype object describing fixed-point or floating-point data type
eyeCreate identity matrix with fixed-point properties
onesCreate array of all ones with fixed-point properties
zerosCreate array of all zeros with fixed-point properties
castCast variable to different data type
cast64BitFiToIntCast fi object types that can be exactly represented to a 64-bit integer data type
cast64BitIntToFiCast 64-bit integer types to an equivalent fi object type
castFiToIntCast fi object to equivalent integer data type
castFiToMATLABCast fi object type to an equivalent built-in MATLAB data type
castIntToFiCast an integer data type to equivalent fi type

Temas

Información relacionada

Solución de problemas

Resolve Error: Function Is Not Supported for Fixed-Point Conversion

Troubleshoot functions that are not supported for fixed-point conversion.

Resolve Error: fi*non-fi

Troubleshoot fi*non-fi errors.

Resolve Error: Data Type Mismatch

Troubleshoot data type mismatch errors.

Resolve Error: Mismatched fimath

Troubleshoot mismatched fimath errors.

Ejemplos destacados

Set Data Types Using Min/Max Instrumentation

Set Data Types Using Min/Max Instrumentation

Set fixed-point data types by instrumenting MATLAB code for min/max logging and using the tools to propose data types.

Convert Fast Fourier Transform (FFT) to Fixed Point

Convert Fast Fourier Transform (FFT) to Fixed Point

Convert a version of the Fast Fourier Transform (FFT) algorithm into fixed-point MATLAB code.

Implement FIR Filter Algorithm for Floating-Point and Fixed-Point Types Using cast and zeros

Implement FIR Filter Algorithm for Floating-Point and Fixed-Point Types Using cast and zeros

Convert a finite impulse-response (FIR) filter to fixed point by separating the fixed-point type specification from the algorithm code.