GNU Scientific Library – Reference Manual: Accessing combination elements

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### 10.3 Accessing combination elements

The following function can be used to access the elements of a combination.

Function: size_t gsl_combination_get (const gsl_combination * c, const size_t i)

  This function returns the value of the i-th element of the combination c. If i lies outside the allowed range of 0 to k-1 then the error handler is invoked and 0 is returned. An inline version of this function is used when `HAVE_INLINE` is defined.