RANDOM(3F) UNIX Programmer's Manual RANDOM(3F) NNAAMMEE random, drandm, irandm - better random number generator SSYYNNOOPPSSIISS ffuunnccttiioonn iirraannddmm ((iiffllaagg)) ffuunnccttiioonn rraannddoomm ((iiffllaagg)) ddoouubbllee pprreecciissiioonn ffuunnccttiioonn ddrraannddmm ((iiffllaagg)) DDEESSCCRRIIPPTTIIOONN These functions use _r_a_n_d_o_m(3) to generate sequences of ran- dom numbers, and should be used rather than the older func- tions described in _m_a_n _3_f _r_a_n_d. If _i_f_l_a_g is non-zero, it is used as a new seed for the random number generator, and the first new random value is returned. _I_r_a_n_d_m returns positive integers in the range 0 through 2147483647 ( 2**31-1). _R_a_n_d_o_m and _d_r_a_n_d_m return values in the range 0. through 1.0 by dividing the integer random number from _r_a_n_d_o_m(3) by 2147483647 . FFIILLEESS /usr/lib/libF77.a SSEEEE AALLSSOO random(3) Printed 7/9/88 May 15, 1985 1