Error - 'All inputs must be constant' in MATLAB Coder
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Puneet Khurana
2017 年 12 月 26 日
コメント済み: Walter Roberson
2017 年 12 月 27 日
I am trying to convert the function poly2trellis into C using MATLAB Coder. The problem arise when I check the issues in the Coder App and it displays the error that ' all inputs must be constant'.
function [ trellis ] = con_poly2trellis(k) %#codegen
generator_matrix=[0 0];
if k==3
generator_matrix=[5 7];
else
generator_matrix=[32 35];
end
trellis = poly2trellis(k,generator_matrix);
end
Does it mean that I can generate code for a single specific input and not based on any value passed for 'k'?
What if a generic function is required which can accept any value of 'k' and I can include multiple if-else case for generator_matrix?
Please help and suggest.
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採用された回答
Walter Roberson
2017 年 12 月 26 日
if k==3
trellis = poly2trellis(3,[5,7]);
elseif k==4
And so on.
5 件のコメント
Walter Roberson
2017 年 12 月 27 日
It does not execute all of the function calls, it compiles all of the function calls down into the specific code needed for that one trellis variety.
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