SF_RANDOM

Quick access

Routines:

mersenne(), mersenne_init(), mt_beta(), mt_cauchy(), mt_chi_square(), mt_exponential(), mt_gamma(), mt_get(), mt_init(), mt_inverse_gamma(), mt_laplace(), mt_log_normal(), mt_normal(), mt_random(), mt_save(), mt_student_t(), mt_uniform(), mt_weibull(), nrand(), random_number_init(), random_number_seed(), random_order()

Subroutines and functions

interface  sf_random/mersenne_init(seed)

Parameters:

seed [integer, in]

interface  sf_random/mt_init(seed)

Parameters:

seed [integer, in]

interface  sf_random/mersenne()

interface  sf_random/mt_random(a)

Parameters:

a (various shapes) [real, complex]

interface  sf_random/mt_uniform(l, h, a, b)

Parameters:

• l [integer, in]

• h [integer, in]

• a [real]

• b [real]

interface  sf_random/mt_normal(mean, stdev)

Parameters:

• mean [real]

• stdev [real]

interface  sf_random/mt_exponential(mean)

Parameters:

mean [real]

interface  sf_random/mt_gamma(shape, scale)

Parameters:

• shape [real]

• scale [real]

interface  sf_random/mt_chi_square(dof)

Parameters:

dof [real]

interface  sf_random/mt_inverse_gamma(shape, scale)

Parameters:

• shape [real]

• scale [real]

interface  sf_random/mt_weibull(shape, scale)

Parameters:

• shape [real]

• scale [real]

interface  sf_random/mt_cauchy(median, scale)

Parameters:

• median [real]

• scale [real]

interface  sf_random/mt_student_t(dof)

Parameters:

dof [real]

interface  sf_random/mt_laplace(mean, scale)

Parameters:

• mean [real]

• scale [real]

interface  sf_random/mt_log_normal(mu, sigma)

Parameters:

• mu [real]

• sigma [real]

interface  sf_random/mt_beta(a, b)

Parameters:

• a [real]

• b [real]

interface  sf_random/mt_save(fname, forma, unum)

Parameters:

• fname [character(len=*), in]

• forma [character, in]

• unum [integer, in]

interface  sf_random/mt_get(fname, forma, unum)

Parameters:

• fname [character(len=*), in]

• forma [character, in]

• unum [integer, in]

subroutine  sf_random/random_number_init([shift])

Options:

shift [integer]

function  sf_random/random_number_seed([info, file])

Options:

• info [integer, in]

• file [integer, in]

Return:

random_number_seed [integer]

function  sf_random/random_normal()

Return:

fn_val [real]

function  sf_random/random_gamma(s, first)

Parameters:

• s [real, in]

• first [logical, in]

Return:

fn_val [real]

function  sf_random/random_gamma1(s, first)

Parameters:

• s [real, in]

• first [logical, in]

Return:

fn_val [real]

function  sf_random/random_gamma2(s, first)

Parameters:

• s [real, in]

• first [logical, in]

Return:

fn_val [real]

function  sf_random/random_chisq(ndf, first)

Parameters:

• ndf [integer, in]

• first [logical, in]

Return:

fn_val [real]

function  sf_random/random_exponential()

Return:

fn_val [real]

function  sf_random/random_weibull(a)

Parameters:

a [real, in]

Return:

fn_val [real]

function  sf_random/random_beta(aa, bb, first)

Parameters:

• aa [real, in]

• bb [real, in]

• first [logical, in]

Return:

fn_val [real]

function  sf_random/random_inv_gauss(h, b, first)

Parameters:

• h [real, in]

• b [real, in]

• first [logical, in]

Return:

fn_val [real]

function  sf_random/random_poisson(mu, first)

Parameters:

• mu [real, in]

• first [logical, in]

Return:

ival [integer]

function  sf_random/random_binomial1(n, p, first)

Parameters:

• n [integer, in]

• p [real, in]

• first [logical, in]

Return:

ival [integer]

function  sf_random/bin_prob(n, p, r)

Parameters:

• n [integer, in]

• p [real, in]

• r [integer, in]

Return:

fn_val [real]

function  sf_random/lngamma(x)

Parameters:

x [real, in]

Return:

fn_val [real]

function  sf_random/random_binomial2(n, pp, first)

Parameters:

• n [integer, in]

• pp [real, in]

• first [logical, in]

Return:

ival [integer]

function  sf_random/random_neg_binomial(sk, p)

Parameters:

• sk [real, in]

• p [real, in]

Return:

ival [integer]

function  sf_random/random_von_mises(k, first)

Parameters:

• k [real, in]

• first [logical, in]

Return:

fn_val [real]

function  sf_random/random_cauchy()

Return:

fn_val [real]

function  sf_random/nrand([dseed_])

Options:

dseed [integer]

Return:

nrand [real]

subroutine  sf_random/random_order(order, n)

generate a random ordering of the integers 1 … n.

Parameters:

• order (n) [integer, out]

• n [integer, in]