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user344

Java (67 chars)

float r(){float p=0,s=4,i=1E6f;while(--i>0)p+=(s=-s)/i--;return p;}

float r(){float p=0,s=4,i=1E6f;while(--i>0)p+=(s=-s)/i--;return p;}

Note that this avoids loss of significance by adding the numbers up in the correct order.

float r(){float p=0,s=4,i=1E6f;while(--i>0)p+=(s=-s)/i--;return p;}

Note that this avoids loss of significance by adding the numbers up in the correct order.

float r(){float p=0,s=4,i=1E6f;while(--i>0)p+=(s=-s)/i--;return p;}

Note that this avoids loss of significance by adding the numbers up in the correct order.

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created Aug 29, 2012 at 17:43

float r(){float p=0,s=4,i=1E6f;while(--i>0)p+=(s=-s)/i--;return p;}

Note that this avoids loss of significance by adding the numbers up in the correct order.