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Ryan Livingston

Last seen: 8 mois il y a |  Actif depuis 2012

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Errors using codegen when using structure as return values of function
The issue that Coder is flagging is that you have something like someStruct.field1 = value; use(someStruct.field1); % This ...

10 mois il y a | 0

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"Incompatible types" error while loading C function that returns a pointer to array using codegen
I immediately see a few issues you need to solve: Your C code is broken because it returns a pointer into y which is a locally ...

environ un an il y a | 0

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Non-constant expression or empty matrix. This expression must be constant because its value determines the size or class of some expression.
For code generation, the file name input to load must be a constant: https://www.mathworks.com/help/matlab/ref/load.html#refsec...

environ un an il y a | 0

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Issues iterating over list of functions using str2func with codegen
Coder requires the input to str2func to be a constant name. Uncommenting the line funcList = {'max','min','mean','mode'}; in y...

environ un an il y a | 0

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Extract function/code from MATLAB to c++
A workaround for this case is to use a wrapper function function A = FilterXXXWrapper(in1,in2,in3,in4) % Construct your object...

environ un an il y a | 0

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How to include all required headers in code generated by MATLAB coder?
When I run the codegen command in MATLAB Coder in MATLAB R2022b, I see that all CXSparse files appear in the codegen folder unde...

plus d'un an il y a | 1

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Why isn't angle2dcm compatible with codegen?
I don't have a compelling reason for this limitation. So I created an internal note with your request to support this in the fut...

plus d'un an il y a | 0

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Add 'lib' prefix to libraries generated with MATLAB Code Generator
You can use the -o argument to codegen to rename the library: codegen somecode -args 1 -o libmylibrary In the Coder App the "O...

plus d'un an il y a | 0

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Matlab Coder force boolean_T to be native C99 bool type
This is question was asked on StackOverflow: https://stackoverflow.com/questions/71513527/matlab-coder-force-boolean-t-to-be-na...

environ 2 ans il y a | 0

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MATLAB crashed when running MATLAB Coder.
Update This is a bug in MATLAB Coder. Details including workarounds are captured in: https://www.mathworks.com/support/bugrepor...

plus de 2 ans il y a | 2

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dde23 use in MATLAB coder for MEX files
Unfortunately the dde functions do not support code generation. I've made an internal note of your request so we can consider th...

plus de 2 ans il y a | 0

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How to define lower limit at while code generation?
There is unfortunately no way to define a lower bound for a size. In this case, if you define the upper bound, Coder will assume...

plus de 2 ans il y a | 1

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StackData macro not generated for C++
It is by design that the typedef guards are not present in C++. The use case you describe here is not one we had in mind for the...

presque 3 ans il y a | 0

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Automatic code generation of c++ code from matlab functions
There is not an option to return arrays as a return value from the generated functions. The documentation describes the expected...

plus de 3 ans il y a | 0

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Embedded Coder give uncompilable code using dynamic arrays
This is a bug and has been reported to our development team. In addition to the postprocessing workaround suggested by Glenn, yo...

plus de 3 ans il y a | 0

A répondu
C code generation symbols not found linker error
In your ZIP file you'll notice files cg_imadjust.c, cg_imadjust_interminate.c that also need to be compiled and linked. main.c c...

plus de 3 ans il y a | 0

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How to write data to text file on raspberry pi using matlab
The MATLAB functions fopen, fprintf, fclose all support code generation. They use the C runtime library so they can run on the R...

presque 4 ans il y a | 0

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Can I access an external (const) array within generated C++ code without copying the contents into a local array?
With Embedded Coder you can use the function coder.storageClass to pull in that array as an imported extern global variable: fu...

environ 4 ans il y a | 0

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Integrating Matlab Coder with c#
In addition to Bill's answer, generating the interface binding the generated C code to C# with something like SWIG is also an op...

environ 4 ans il y a | 1

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Equivalent command of "-M" at MCC in CODER GUI
There's no built-in way to pass a resource file to MATLAB Coder. You may be able to achieve this by adding the resource file as ...

plus de 4 ans il y a | 1

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Matlab Coder Windows -> Linux cross-compilation
Check out: https://www.mathworks.com/matlabcentral/answers/71539-how-to-deploy-a-matlab-app-to-ios-and-android That links to a...

plus de 4 ans il y a | 2

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Codegen: Remove date in header file
The CodeTemplate setting allows you to customize this. Here's an example: https://www.mathworks.com/help/ecoder/ug/generate-cus...

plus de 4 ans il y a | 0

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Is there a version switch for codegen?
Use coder.const to forcibly constant fold the extrinsic call to verLessThan if coder.const(verLessThan('matlab', '9.1')) %...

plus de 4 ans il y a | 1

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Matlab Coder Memory usage
Without specifics of your project it's hard to give precise suggestions. The MATLAB Coder documentation has a performance sectio...

plus de 4 ans il y a | 0

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Raspberry does not write in a created file
This is because of a bug in the Raspberry Pi system command in codegen. It doesn't trim the output to the proper size and instea...

plus de 4 ans il y a | 2

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Compile a C code on a Raspberry Pi with a library generated with Matlab C Coder
The generated code should not be depending on the headers emlrt.h, matrix.h etc. Those are only available when running in MATLAB...

presque 5 ans il y a | 0

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Converting Matlab code with a function handle within a structure to C/C++
Function handles, and values containing them, are not supported as inputs and outputs from entry-point functions. As a workaroun...

presque 5 ans il y a | 1

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Matlab Coder: How can ich define the inputs of a Mex file I want to generate if the input is a cell containing several strcuts?
If you have a variable that represents this cell array, call it cellVar, then you can use that to define by example in the Coder...

presque 5 ans il y a | 0

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function coder.newtype not supported for code genertion
Can you elaborate on where you used coder.newtype? If using the codegen command you can: codegen myFunction -args {coder.typeof...

environ 5 ans il y a | 1

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Is there a way to disable line wrapping in generated C code from MATLAB Coder?
Edit As of MATLAB R2018b you can use the coder.EmbeddedCodeConfig setting ColumnLimit to control line wrapping in the generated...

environ 5 ans il y a | 2

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