Classic/Legacy CodeWarrior中的主题 Unable to use library functions when using processor expert stationary.

Unable to use library functions when using processor expert stationary.

shahzor — Fri, 11 Jul 2008 01:24:24 GMT

Hey guys!
I was wondering if any 1 could help me understand why i get an error if i include a standard library header file <math.h> and use the function 'hypot' in my main user module file <PROJECT-NAME.c>. This only happens if i use Processor Expert Stationary. The error is this:

Link error: Undefined: "Fhypot"
Referenced in "Fmain" in TUT1.c

TUT.mcp is my project name and TUT1.c the main user module.

However if i use the New Project Wizard, i do not come across any errors if i include the same header and use this function in the main.c file.

- shahzor

Re: Unable to use library functions when using processor expert stationary.

jeypi — Thu, 24 Jul 2008 01:36:57 GMT

Hello,

Processor expert has a bean with math functions. It's easier to use and develop programs.

Best regards,

João Paulo.

Re: Unable to use library functions when using processor expert stationary.

trytohelp — Wed, 30 Jul 2008 14:59:57 GMT

Hi,

Let me know if you need feedback for this question.

Keep in mind there are restriction with the math library.

Extract of the Targeting_56800E.pdf manual page 81:

This chapter explains considerations for using C with the DSP56800E processor.
Note that the DSP56800E processor does not support:
• The C++ language
• Standard C trigonometric and algebraic floating-point functions (such as sine, cosine, tangent, and square root)

There are some intrinsic functions. Please refer page 198.

And for sure Processor Expert can be used.

Regards

Pascal