div.rs.html -- source

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stream

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http

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openssl

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proc_macro_nested

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rustc_serialize

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ryu

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ser

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serde_urlencoded

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serde_yaml

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slab

socket2

sys

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syn

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time

display.rs duration.rs lib.rs parse.rs sys.rs

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tokio

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macros

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net

tcp

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park

either.rs mod.rs thread.rs

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sync

task

blocking.rs mod.rs spawn.rs yield_now.rs

time

driver

atomic_stack.rs entry.rs handle.rs mod.rs registration.rs stack.rs

wheel

level.rs mod.rs stack.rs

clock.rs delay.rs delay_queue.rs error.rs instant.rs interval.rs mod.rs throttle.rs timeout.rs

util

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addr.rs entry.rs generation.rs mod.rs page.rs shard.rs slot.rs stack.rs

bit.rs intrusive_double_linked_list.rs linked_list.rs mod.rs rand.rs trace.rs wake.rs

coop.rs lib.rs prelude.rs

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executor

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try_lock

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ascii.rs lib.rs

unicode_bidi

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unicode_normalization

__test_api.rs decompose.rs lib.rs lookups.rs no_std_prelude.rs normalize.rs perfect_hash.rs quick_check.rs recompose.rs stream_safe.rs tables.rs

unicode_xid

lib.rs tables.rs

url

host.rs lib.rs origin.rs parser.rs path_segments.rs quirks.rs slicing.rs

waiter

want

yaml_rust

emitter.rs lib.rs parser.rs scanner.rs yaml.rs

// This is a part of Chrono.
// Portions Copyright 2013-2014 The Rust Project Developers.
// See README.md and LICENSE.txt for details.

//! Integer division utilities. (Shamelessly copied from [num](https://github.com/rust-lang/num/))

// Algorithm from [Daan Leijen. _Division and Modulus for Computer Scientists_,
// December 2001](http://research.microsoft.com/pubs/151917/divmodnote-letter.pdf)

pub use num_integer::{div_floor, div_mod_floor, div_rem, mod_floor};

#[cfg(test)]
mod tests {
    use super::{div_mod_floor, mod_floor};

    #[test]
    fn test_mod_floor() {
        assert_eq!(mod_floor(8, 3), 2);
        assert_eq!(mod_floor(8, -3), -1);
        assert_eq!(mod_floor(-8, 3), 1);
        assert_eq!(mod_floor(-8, -3), -2);

        assert_eq!(mod_floor(1, 2), 1);
        assert_eq!(mod_floor(1, -2), -1);
        assert_eq!(mod_floor(-1, 2), 1);
        assert_eq!(mod_floor(-1, -2), -1);
    }

    #[test]
    fn test_div_mod_floor() {
        assert_eq!(div_mod_floor(8, 3), (2, 2));
        assert_eq!(div_mod_floor(8, -3), (-3, -1));
        assert_eq!(div_mod_floor(-8, 3), (-3, 1));
        assert_eq!(div_mod_floor(-8, -3), (2, -2));

        assert_eq!(div_mod_floor(1, 2), (0, 1));
        assert_eq!(div_mod_floor(1, -2), (-1, -1));
        assert_eq!(div_mod_floor(-1, 2), (-1, 1));
        assert_eq!(div_mod_floor(-1, -2), (0, -1));
    }
}

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