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rand: fix wrong function signature (#9808)

pull/9841/head
div72 2021-04-21 12:20:55 +03:00 committed by GitHub
parent 51258923d7
commit dd00c79861
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 4 deletions
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2
vlib/rand/pcg32/pcg32.v
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@ -91,7 +91,7 @@ pub fn (mut rng PCG32RNG) u64n(max u64) u64 {
// u32_in_range returns a pseudorandom 32-bit unsigned `u32` in range `[min, max)`. // u32_in_range returns a pseudorandom 32-bit unsigned `u32` in range `[min, max)`.
[inline] [inline]
pub fn (mut rng PCG32RNG) u32_in_range(min u64, max u64) u64 { pub fn (mut rng PCG32RNG) u32_in_range(min u32, max u32) u32 {
if max <= min { if max <= min {
eprintln('max must be greater than min') eprintln('max must be greater than min')
exit(1) exit(1)

11
vlib/rand/pcg32/pcg32_test.v
View File

@ -1,4 +1,5 @@
import math import math
import rand
import rand.pcg32 import rand.pcg32
import rand.seed import rand.seed
@ -141,13 +142,13 @@ fn test_pcg32_u64n() {
} }
fn test_pcg32_u32_in_range() { fn test_pcg32_u32_in_range() {
max := u64(484468466) max := u32(484468466)
min := u64(316846) min := u32(316846)
for seed in seeds { for seed in seeds {
mut rng := pcg32.PCG32RNG{} mut rng := pcg32.PCG32RNG{}
rng.seed(seed) rng.seed(seed)
for _ in 0 .. range_limit { for _ in 0 .. range_limit {
value := rng.u32_in_range(u64(min), u64(max)) value := rng.u32_in_range(u32(min), u32(max))
assert value >= min assert value >= min
assert value < max assert value < max
} }
@ -330,3 +331,7 @@ fn test_pcg32_f64_in_range() {
} }
} }
} }
fn test_change_default_random_generator() {
rand.set_rng(pcg32.PCG32RNG{})
}