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Add float64_range and float32_range to package math/rand

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gingerBill
2019-04-28 20:35:14 +01:00
parent c61fd3a70a
commit 40135cbc66
1 changed files with 3 additions and 0 deletions
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3
core/math/rand/rand.odin
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@@ -88,6 +88,9 @@ int_max :: proc(n: int, r: ^Rand = global_rand_ptr) -> int {
float64 :: proc(r: ^Rand = global_rand_ptr) -> f64 { return f64(int63_max(1<<53, r)) / (1 << 53); }
float32 :: proc(r: ^Rand = global_rand_ptr) -> f32 { return f32(float64(r)); }
float64_range :: proc(lo, hi: f64, r: ^Rand = global_rand_ptr) -> f64 { return (hi-lo)*float64(r) + lo; }
float32_range :: proc(lo, hi: f32, r: ^Rand = global_rand_ptr) -> f32 { return (hi-lo)*float32(r) + lo; }
read :: proc(p: []byte, r: ^Rand = global_rand_ptr) -> (n: int) {
pos := i8(0);