Function gen_rand_array

deps/jemalloc/test/src/SFMT.c:312–342

* This function fills the user-specified array with pseudorandom * integers. * * @param array an 128-bit array to be filled by pseudorandom numbers. * @param size number of 128-bit pseudorandom numbers to be generated. */

 * @param size number of 128-bit pseudorandom numbers to be generated.
 */
static inline void gen_rand_array(sfmt_t *ctx, w128_t *array, int size) {
    int i, j;
    w128_t *r1, *r2;

    r1 = &ctx->sfmt[N - 2];
    r2 = &ctx->sfmt[N - 1];
    for (i = 0; i < N - POS1; i++) {
	do_recursion(&array[i], &ctx->sfmt[i], &ctx->sfmt[i + POS1], r1, r2);
	r1 = r2;
	r2 = &array[i];
    }
    for (; i < N; i++) {
	do_recursion(&array[i], &ctx->sfmt[i], &array[i + POS1 - N], r1, r2);
	r1 = r2;
	r2 = &array[i];
    }
    for (; i < size - N; i++) {
	do_recursion(&array[i], &array[i - N], &array[i + POS1 - N], r1, r2);
	r1 = r2;
	r2 = &array[i];
    }
    for (j = 0; j < 2 * N - size; j++) {
	ctx->sfmt[j] = array[j + size - N];
    }
    for (; i < size; i++, j++) {
	do_recursion(&array[i], &array[i - N], &array[i + POS1 - N], r1, r2);
	r1 = r2;
	r2 = &array[i];
	ctx->sfmt[j] = array[i];
    }
}
#endif

#if defined(BIG_ENDIAN64) && !defined(ONLY64) && !defined(HAVE_ALTIVEC)