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 why atof("0.003315") return 0.00331		  New Topic  Reply to Topic
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70WorkRoom

China
Posts
Posted - 07/13/2007 :  05:26:51 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Version:Origin pro 7.5
Operaion System:windows 2000

I need the result is 0.00332

Another question.
when i make a graph that be fitted linear,how can i copy it to a microsoft word with origin c?

I need your help,thanks very much.


Edited by - 70WorkRoom on 07/13/2007 05:51:39 AM

Mike Buess

USA
3037 Posts
Posted - 07/14/2007 :  08:29:39 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
atof("0.003315") returns the number 0.003315. Any rounding off you see results from subsequent formatting...

double run_atof(string str)
{
double x = atof(str);
printf("x=%.5f\n",x);
return x;
}

>run_atof("0.003315")=;
>x=0.00331
>RUN_ATOF("0.003315")=0.003315


quote:
when i make a graph that be fitted linear,how can i copy it to a microsoft word with origin c?
The file Samples\COM Client\ReportCreation.c should give you some ideas.

Mike Buess
Origin WebRing Member
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70WorkRoom

China
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Posted - 07/14/2007 :  09:30:29 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
thank you very much.
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