2008-04-22 06:51:16     about float data

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2008-04-22 06:51:16     about float data

sj tian (CHINA)

Message: 54724   

 

Hi,

 

I  used  float  variable in driver file,when compiling,sysytem show error information:

 

WARNING: "_floatsisf" [/home/tsj/driver/fpga.ko] undefined!

 

WARNING: "_ltsf2" [/home/tsj/driver/fpga.ko] undefined!

 

WARNING: "_divsf3" [/home/tsj/driver/fpga.ko] undefined!

 

WARNING: "_mulsf3" [/home/tsj/driver/fpga.ko] undefined!

 

WARNING: "_fixunssfsi" [/home/tsj/driver/fpga.ko] undefined!

 

WARNING: "_addsf3" [/home/tsj/driver/fpga.ko] undefined!

 

why?   I can not understand.

 

PLS give me some hints, thanks!

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2008-04-22 07:15:07     Re: about float data

Yi Li (CHINA)

Message: 54726    you cannot use float point in linux kernel.

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