MC or Intel precision?

[miscdas at boxfrog.com]

miscdas at boxfrog.com writes: 

> MisterX writes:  
> 
>> 
>> Hi everyone,  
>> 
>> Is this megaproblem Windows only?  
>> 
>> put 2 ^ .5 = 1.414214
>> put pi = 3.14159265358979323846
>> put pi * 1 = 3.141593 --- ooops...
>> put 0.0005 * 0.0005 = 0  
>> 
>> Other than start writting out externals, is there a way to use "Real" 
>> math precision?  
>> 
>> Like PI!
>> but avoiding put 10000000000000 * 0.0000001 * pi = 3141592.65359 which is 
>> as precise as it gets workaround... ;)  
>> 
>> thanks for any suggestions
>> Xavier
> ===============
> Xavier,  
> 
> Did you try using the Format function to define the output format? Check 
> the dictionary.  
> 
> miscdas  
> 
===============
Oddly enough, even these two give different amounts of precision on Win XP 
Pro MC2.5: 

put pi
put format("%0.20f", pi) 

3.14159265358979323846
3.14159265358979310000 

why does the format function result in truncation? 

miscdas