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path: root/src/statisticsFunctions/variance/svariancea.c
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Diffstat (limited to 'src/statisticsFunctions/variance/svariancea.c')
-rw-r--r--src/statisticsFunctions/variance/svariancea.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/src/statisticsFunctions/variance/svariancea.c b/src/statisticsFunctions/variance/svariancea.c
index d5c03205..426fc454 100644
--- a/src/statisticsFunctions/variance/svariancea.c
+++ b/src/statisticsFunctions/variance/svariancea.c
@@ -17,22 +17,18 @@ float svariancea(float *in, int size)
int i = 0 ;
float temp = 0 ;
- float sumc = 0 ;
float variance = 0;
float mean = smeana ( in , size );
for ( i = 0 ; i < size ; i++)
{
-
- temp += spows ( (in[i] - mean ) ,2.0f ) ;
- sumc += (in[i] - mean);
+ temp += spows ( (in[i] - mean ) ,2 ) ;
}
- if ( fabs ( sumc) > 1e-08)
- variance = (float) ( temp - spows( sumc,2.0f)/(float)size)/(float) ( size -1);
- else
- variance = (float) ( temp )/(float) ( size -1);
+
+ variance = ( temp )/ (float)( size -1);
+
return variance ;
}