## FNgcd

#### Routine

long int FNgcd (long int u, long int v)

#### Purpose

Find the greatest common divisor of two integer values

#### Description

This function finds the (positive) greatest common divisor of two integer values. If both elements are zero, the greatest common divisor is set to zero.

#### Parameters

<- long int FNgcd
  Greatest common divisor of u and v
-> long int u
  First integer value
-> long int v
  Second integer value

#### Author / revision

P. Kabal / Revision 1.3 2003/05/09

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