Re: [eigen] Eigen on Arduino Due (32-bit Microcontroller with GCC) Windows 10 Compile Error

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Yes, I get the error with just <cstdio> or just <algorithm>.  So the issue is independent of Eigen.  If I don't call any of these including Eigen, programs compile correctly.  Is there anything I can do to my Eigen to push this through? 


On Monday, March 14, 2016 4:57 AM, Christoph Hertzberg <chtz@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:


Hi!

Do you get the same error when including just <algorithm> or just
<cstdio>? If so, it seems your C++-std-lib is defect and you should
report this problem to whoever provided it.

It might be possible to work-around this by including <stdio.h> before
any other library (though it actually does not seem right that
<algorithm> indirectly depends on <cstdio>).

HTH,
Christoph

On 2016-03-14 11:57, A B wrote:
> To the Community,
> Hello.  I have used Eigen successfully on several of my robotics projects with the Arduino Due 32-bit microtroller on a Windows 7 64-bit PC.  I use Eigen to perform extensive matrix operations as part of the feedback control system.
> All compiled normally on the Arduino-1.6.6 IDE, which uses the GCC compiler, until I upgraded to Windows 10 on a 64-bit PC.  I simplified the Arduino program which reproduces the compile error:
>
> #include  <Eigen320.h>
> void setup() {
> }
>
> void loop() {
> }
>
>
> Here's the compile error.  Your help is appreciated.  Thank you.
> In file included from c:\users\mc\appdata\local\arduino15\packages\arduino\tools\arm-none-eabi-gcc\4.8.3-2014q1\arm-none-eabi\include\c++\4.8.3\random:39:0,
>
>                  from c:\users\mc\appdata\local\arduino15\packages\arduino\tools\arm-none-eabi-gcc\4.8.3-2014q1\arm-none-eabi\include\c++\4.8.3\bits\stl_algo.h:65,
>
>                  from c:\users\mc\appdata\local\arduino15\packages\arduino\tools\arm-none-eabi-gcc\4.8.3-2014q1\arm-none-eabi\include\c++\4.8.3\algorithm:62,
>
>                  from C:\Programs\arduino-1.6.6\libraries\Eigen320/Eigen\Core:148,
>
>                  from C:\Programs\arduino-1.6.6\libraries\Eigen320/Eigen320.h:35,
>
>                  from D:\$projects\mcu\arduino\test\test.ino:2:
>
> c:\users\mc\appdata\local\arduino15\packages\arduino\tools\arm-none-eabi-gcc\4.8.3-2014q1\arm-none-eabi\include\c++\4..8.3\cstdio:122:11: error: '::printf' has not been declared
>
>    using ::printf;
>
>            ^
>
> exit status 1
> Error compiling.

>
>
>
>

--
  Dipl. Inf., Dipl. Math. Christoph Hertzberg

  Universität Bremen
  FB 3 - Mathematik und Informatik
  AG Robotik
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  28359 Bremen, Germany

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