

o 
gsl_combination_alloc($n, $k)
This function allocates memory for a new combination with parameters $n, $k. The combination is not initialized and its elements are undefined. Use the function gsl_combination_calloc if you want to create a combination which is initialized to the lexicographically first combination. 
o 
gsl_combination_calloc($n, $k)
This function allocates memory for a new combination with parameters $n, $k and initializes it to the lexicographically first combination. 
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gsl_combination_init_first($c)
This function initializes the combination $c to the lexicographically first combination, i.e. (0,1,2,...,k1). 
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gsl_combination_init_last($c)
This function initializes the combination $c to the lexicographically last combination, i.e. (nk,nk+1,...,n1). 
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gsl_combination_free($c)
This function frees all the memory used by the combination $c. 
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gsl_combination_memcpy($dest, $src)
This function copies the elements of the combination $src into the combination $dest. The two combinations must have the same size. 
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gsl_combination_get($c, $i)
This function returns the value of the ith element of the combination $c. If $i lies outside the allowed range of 0 to k1 then the error handler is invoked and 0 is returned. 
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gsl_combination_fwrite($stream, $c)
This function writes the elements of the combination $c to the stream $stream, opened with the gsl_fopen function from the Math::GSL module, in binary format. The function returns $GSL_EFAILED if there was a problem writing to the file. Since the data is written in the native binary format it may not be portable between different architectures. 
o 
gsl_combination_fread($stream, $c)
This function reads elements from the open stream $stream, opened with the gsl_fopen function from the Math::GSL module, into the combination $c in binary format. The combination $c must be preallocated with correct values of n and k since the function uses the size of $c to determine how many bytes to read. The function returns $GSL_EFAILED if there was a problem reading from the file. The data is assumed to have been written in the native binary format on the same architecture. 
o 
gsl_combination_fprintf($stream, $c, $format)
This function writes the elements of the combination $c linebyline to the stream $stream, opened with the gsl_fopen function from the Math::GSL module, using the format specifier $format, which should be suitable for a type of size_t. In ISO C99 the type modifier z represents size_t, so %zu\n is a suitable format. The function returns $GSL_EFAILED if there was a problem writing to the file. 
o 
gsl_combination_fscanf($stream, $c)
This function reads formatted data from the stream $stream into the combination $c. The combination $c must be preallocated with correct values of n and k since the function uses the size of $c to determine how many numbers to read. The function returns $GSL_EFAILED if there was a problem reading from the file. 
o 
gsl_combination_n($c)
This function returns the range (n) of the combination $c. 
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gsl_combination_k($c)
This function returns the number of elements (k) in the combination $c. 
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gsl_combination_data($c)
This function returns a pointer to the array of elements in the combination $c. 
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gsl_combination_valid($c)
This function checks that the combination $c is valid. The k elements should lie in the range 0 to n1, with each value occurring once at most and in increasing order. 
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gsl_combination_next($c)
This function advances the combination $c to the next combination in lexicographic order and returns $GSL_SUCCESS. If no further combinations are available it returns $GSL_FAILURE and leaves $c unmodified. Starting with the first combination and repeatedly applying this function will iterate through all possible combinations of a given order. 
o 
gsl_combination_prev($c)
This function steps backwards from the combination $c to the previous combination in lexicographic order, returning $GSL_SUCCESS. If no previous combination is available it returns $GSL_FAILURE and leaves $c unmodified. 
For more informations on the functions, we refer you to the GSL offcial documentation: <http://www.gnu.org/software/gsl/manual/html_node/>
Jonathan Duke Leto <jonathan@leto.net> and Thierry Moisan <thierry.moisan@gmail.com>
Copyright (C) 20082011 Jonathan Duke Leto and Thierry MoisanThis program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.20.3  MATH::GSL::COMBINATION (3)  20160403 
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