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  VS Arduino › Visual Micro › Visual Studio 2017, 2019, 2022 › VS2017 red line error sqrt()
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Normal Topic VS2017 red line error sqrt() (Read 2787 times)
groz
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VS2017 red line error sqrt()
Apr 8th, 2018 at 6:42pm
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I'm getting a red line when using functions from math.h. As you can see in the attachment, the error message is "too many arguments in function call". The code compiles correctly and when I peek the definition, it pulls up the proper definition within math.h. 

Why is this happening ? Note: I've not changed any default settings with VS2017.

Thanks
  
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Tim@Visual Micro
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Re: VS2017 red line error sqrt()
Reply #1 - Apr 10th, 2018 at 1:35pm
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Hi,

Sorry I missed this post.

If you did not previously see this intellisense error then either visual studio 2017 has updated or the arduino core you are using has been updated.

Please always say which board and core you have installed because they are all different.

I suspect the issue is that VS C++ does not understand the definition of _PARAMS. It's not perfect.

You can add intellisense redefines that do not alter compiler code to workaround this and when I know the hardware can look at visual micro applying the workaround automatically.

http://www.visualmicro.com/page/Extending-Visual-Studio-Intellisense.aspx
  
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groz
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Re: VS2017 red line error sqrt()
Reply #2 - Apr 10th, 2018 at 3:40pm
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Thanks for getting back. In the future, I will provide the board & core file directory.

Board: Industruino D21G, SAMD, ver 1.0.1
Core: nclude\math.h

I did see the page link prior but am confused on how to implement it. An example would be very helpful for us less seasoned coders... Specifically, please include function() definitions that intellisense will use and be  Smiley
  
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Tim@Visual Micro
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Re: VS2017 red line error sqrt()
Reply #3 - Apr 13th, 2018 at 10:38pm
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There is a new release that should resolve this automatically but also an easier system to extend if required

Download 1804.12

If you need to redefine any other symbols then please let me know.

The extending arduino intellisense doc has been updated
  
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groz
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Re: VS2017 red line error sqrt()
Reply #4 - Apr 16th, 2018 at 10:56pm
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That took care of it.

Thanks
  
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