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DECIDE reference

DECIDE__CentreReduce

short DECIDE__CentreReduce( 

    * double * SampleData,
    * const short * SampleLength);

Normalize sample by 

    * substracting the sample average from each value
    * dividing each value by the sample standard deviation

Note : Some criteria values can lead the algorithm to divide by 0. These errors are trapped and cause a 999 return value.

return value : 

    * 0 : completed sucessfully
    * 1 : null pointer in first parameter
    * 2 : null pointer in second parameter
    * 3 : DataArrayLength < 1
    * 999 : divide by 0 error

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