Chapter 15: Utilities

Routines

Set Output Files

Set output files................................................................................................. output_file

Get library version and license number.................................................................... version

Error Handling

Error message options.................................................................................. error_options

Get error code................................................................................................. error_code

Constants

Integer machine constants...................................................................... machine (integer)

Float machine constants............................................................................ machine (float)

Common data sets........................................................................................... data_sets

Mathematical Support

Matrix-vector, matrix-matrix,
vector-vector products.................................................................................. mat_mul_rect

Rearrange elements of vector..................................................................... permute_vector

Interchange rows and columns of matrices.................................................. permute_matrix

Evaluate the binomial coeficient........................................................... binomial_coefficient

Evaluate the complete beta function........................................................................... beta

Evaluate the real incomplete beta function................................................. beta_incomplete

Evaluate the log of the real beta function............................................................... log_beta

Evaluate the real gamma function.......................................................................... gamma

Evaluate the incomplete gamma function.............................................. gamma_incomplete

Evaluate the logarithm of the absolute value
of the gamma function.................................................................................... log_gamma

Return the number of CPU seconds used.................................................................. ctime


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