Unresolved external errors(fmin, fmax,...) while generating s-function from Simulink model using RTW

2014 6 26
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更新时间：2014 6 27
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I am trying to generate an s-function from a Simulink model using RTW Embedded Coder. I got the below error-
Writing library for Subsystem_sf.mexw32
subsystem.obj .text: undefined reference to '_fmaxf'
subsystem.obj .text: undefined reference to '_fminf'
subsystem.obj .text: undefined reference to '_fabsf'
subsystem.obj .text: undefined reference to '_sqrtf'
subsystem.obj .text: undefined reference to '_floorf'_
subsystem.obj .text: undefined reference to '_fmodf'| | _
Any suggestions?
P.S: I am using the LCC MATLAB compiler and also tried compiling with VS 2008 &2010.

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jive
jive 2014-6-26
编辑：jive 2014-6-26
Solution: Looks like it was to do with the configuration setting on the model.
Set Configuration Parameters>Real Time workshop>Interface>Target function library as C89/C90(ANSI).
Found it here: http://www.mathworks.com/matlabcentral/answers/9949-simulink-compiler-max-block-not-finding-fmax
Kaustubha Govind
Kaustubha Govind 2014-6-27
jive: Would you please post this in the Answers section and accept it, so it's clear that this is resolved? Thanks!

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jive
jive 2014-6-27

0 个投票

Solution: Looks like it was to do with the configuration setting on the model.
Set Configuration Parameters>Real Time workshop>Interface>Target function library as C89/C90(ANSI).
Found it here: http://www.mathworks.com/matlabcentral/answers/9949-simulink-compiler-max-block-not-finding-fmax

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