GNU Scientific Library Reference Manual - Third Edition (v1.12) by M. Galassi, J. Davies, J. Theiler, B. Gough, G. Jungman, P. Alken, M. Booth, F. Rossi Paperback (6"x9"), 592 pages, 60 figures ISBN 0954612078 RRP £24.95 ($39.95) Get a printed copy>>>

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10.4 Combination properties

Function: size_t gsl_combination_n (const gsl_combination * c)

This function returns the range (n) of the combination c.

Function: size_t gsl_combination_k (const gsl_combination * c)

This function returns the number of elements (k) in the combination c.

Function: size_t * gsl_combination_data (const gsl_combination * c)

This function returns a pointer to the array of elements in the combination c.

Function: int gsl_combination_valid (gsl_combination * c)

This function checks that the combination c is valid. The k elements should lie in the range 0 to n-1, with each value occurring once at most and in increasing order.