29     ((array)[prng_rand_n(ARRAY_LENGTH((array)))])
40     return prng_rand_n (n << 16);  in random_fixed()
85     if (prng_rand_n (4) == 0)  in test_composite()
88 	    &(colors[prng_rand_n (ARRAY_LENGTH (colors))]));  in test_composite()
97 	int src_width = prng_rand_n (MAX_SRC_WIDTH) + 1;  in test_composite()
98 	int src_height = prng_rand_n (MAX_SRC_HEIGHT) + 1;  in test_composite()
99 	int src_stride = src_width * src_bpp + prng_rand_n (MAX_STRIDE) * src_bpp;  in test_composite()
102 	src_x = -(src_width / 4) + prng_rand_n (src_width * 3 / 2);  in test_composite()
103 	src_y = -(src_height / 4) + prng_rand_n (src_height * 3 / 2);  in test_composite()
109 	if (prng_rand_n (2) == 0)  in test_composite()
120 	if (prng_rand_n (8) == 0)  in test_composite()
123 	    int            n = prng_rand_n (2) + 1;  in test_composite()
127 		clip_boxes[i].x1 = prng_rand_n (src_width);  in test_composite()
128 		clip_boxes[i].y1 = prng_rand_n (src_height);  in test_composite()
130 		    clip_boxes[i].x1 + prng_rand_n (src_width - clip_boxes[i].x1);  in test_composite()
132 		    clip_boxes[i].y1 + prng_rand_n (src_height - clip_boxes[i].y1);  in test_composite()
155 	dst_width = prng_rand_n (MAX_DST_WIDTH) + 1;  in test_composite()
156 	dst_height = prng_rand_n (MAX_DST_HEIGHT) + 1;  in test_composite()
157 	dst_stride = dst_width * dst_bpp + prng_rand_n (MAX_STRIDE) * dst_bpp;  in test_composite()
162 	if (prng_rand_n (2) == 0)  in test_composite()
168 	dst_x = -(dst_width / 4) + prng_rand_n (dst_width * 3 / 2);  in test_composite()
169 	dst_y = -(dst_height / 4) + prng_rand_n (dst_height * 3 / 2);  in test_composite()
181 	n_traps = prng_rand_n (25);  in test_composite()
201     if (prng_rand_n (8) == 0)  in test_composite()
204 	int            n = prng_rand_n (2) + 1;  in test_composite()
207 	    clip_boxes[i].x1 = prng_rand_n (dst_width);  in test_composite()
208 	    clip_boxes[i].y1 = prng_rand_n (dst_height);  in test_composite()
210 		clip_boxes[i].x1 + prng_rand_n (dst_width - clip_boxes[i].x1);  in test_composite()
212 		clip_boxes[i].y1 + prng_rand_n (dst_height - clip_boxes[i].y1);  in test_composite()