patch 8.1.2356: rand() does not use the best algorithm
Problem: rand() does not use the best algorithm.
Solution: use xoshiro128** instead of xorshift. (Kaito Udagawa,
closes #5279)
diff --git a/src/testdir/test_random.vim b/src/testdir/test_random.vim
index 9fe71a9..f8ea407 100644
--- a/src/testdir/test_random.vim
+++ b/src/testdir/test_random.vim
@@ -2,12 +2,12 @@
func Test_Rand()
let r = srand(123456789)
- call assert_equal([123456789, 362436069, 521288629, 88675123], r)
- call assert_equal(3701687786, rand(r))
- call assert_equal(458299110, rand(r))
- call assert_equal(2500872618, rand(r))
- call assert_equal(3633119408, rand(r))
- call assert_equal(516391518, rand(r))
+ call assert_equal([1573771921, 319883699, 2742014374, 1324369493], r)
+ call assert_equal(4284103975, rand(r))
+ call assert_equal(1001954530, rand(r))
+ call assert_equal(2701803082, rand(r))
+ call assert_equal(2658065534, rand(r))
+ call assert_equal(3104308804, rand(r))
call test_settime(12341234)
let s = srand()