randpoisson() - 5.2 English - 68552

AOCL API Guide (68552)

Document ID
68552
Release Date
2025-12-29
Version
5.2 English
void SRANDPOISSON(rng_int_t *n, float *lambda, rng_int_t *state, rng_int_t *x, rng_int_t *info)#
void DRANDPOISSON(rng_int_t *n, double *lambda, rng_int_t *state, rng_int_t *x, rng_int_t *info)#
void srandpoisson_(rng_int_t *n, float *lambda, rng_int_t *state, rng_int_t *x, rng_int_t *info)#
void drandpoisson_(rng_int_t *n, double *lambda, rng_int_t *state, rng_int_t *x, rng_int_t *info)#
void srandpoisson(rng_int_t n, float lambda, rng_int_t *state, rng_int_t *x, rng_int_t *info)#
void drandpoisson(rng_int_t n, double lambda, rng_int_t *state, rng_int_t *x, rng_int_t *info)#

Returns a vector of pseudo-random integers from poisson distribution.

Parameters:
  • n[in] Number of integers to generate, n > 0

  • lambda[in] Distribution parameter, lambda >= 0.0

  • state[inout] On Entry: Current state of the base generator being used. state must have first been initialized with a call to drandinitialize On Exit: State of generator after n- values are generated

  • x[out] Vector of n- integers from the poisson distribution, x(n)

  • info[out]

    Error code

    0 = Everything OK

    -1 to -3 = Error in parameter, abs(info)