2021-01-18 13:20:06 +01:00
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// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
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2020-06-01 21:13:56 +02:00
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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2020-06-09 15:06:07 +02:00
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module util
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2020-06-01 21:13:56 +02:00
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2020-12-27 19:06:17 +01:00
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// Commonly used constants across RNGs - some taken from "Numerical Recipes".
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2020-06-09 15:06:07 +02:00
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pub const (
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lower_mask = u64(0x00000000FFFFFFFF)
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max_u32 = 0xFFFFFFFF
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max_u64 = 0xFFFFFFFFFFFFFFFF
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max_u32_as_f32 = f32(max_u32) + 1
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max_u64_as_f64 = f64(max_u64) + 1
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u31_mask = u32(0x7FFFFFFF)
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u63_mask = u64(0x7FFFFFFFFFFFFFFF)
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2020-06-01 21:13:56 +02:00
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)
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