div.rs - source

Files

aho_corasick

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bigdecimal

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chrono

format

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naive

date.rs datetime.rs internals.rs isoweek.rs time.rs

offset

fixed.rs local.rs mod.rs utc.rs

sys

date.rs datetime.rs div.rs lib.rs round.rs sys.rs

diesel

associations

belongs_to.rs mod.rs

connection

mod.rs statement_cache.rs transaction_manager.rs

expression

expression_methods

bool_expression_methods.rs eq_all.rs escape_expression_methods.rs global_expression_methods.rs mod.rs text_expression_methods.rs

macros

internal.rs mod.rs ops.rs query_id.rs static_cond.rs tuples.rs

migration

errors.rs mod.rs

mysql

connection

stmt

iterator.rs metadata.rs mod.rs

bind.rs mod.rs raw.rs url.rs

query_builder

mod.rs query_fragment_impls.rs

types

date_and_time.rs mod.rs numeric.rs

backend.rs bind_collector.rs mod.rs

pg

connection

stmt

cursor.rs mod.rs raw.rs result.rs row.rs

expression

extensions

interval_dsl.rs mod.rs

array.rs array_comparison.rs date_and_time.rs expression_methods.rs helper_types.rs mod.rs operators.rs

query_builder

distinct_on.rs mod.rs query_fragment_impls.rs

serialize

mod.rs write_tuple.rs

types

date_and_time

chrono.rs deprecated_time.rs mod.rs quickcheck_impls.rs std_time.rs

floats

mod.rs quickcheck_impls.rs

array.rs integers.rs json.rs mod.rs money.rs network_address.rs numeric.rs primitives.rs ranges.rs record.rs uuid.rs uuid_v0_7.rs

upsert

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query_builder

delete_statement

insert_statement

column_list.rs insert_from_select.rs mod.rs

nodes

select_statement

boxed.rs dsl_impls.rs mod.rs

update_statement

changeset.rs mod.rs target.rs

ast_pass.rs bind_collector.rs clause_macro.rs debug_query.rs distinct_clause.rs functions.rs group_by_clause.rs limit_clause.rs locking_clause.rs mod.rs offset_clause.rs order_clause.rs query_id.rs returning_clause.rs select_clause.rs sql_query.rs where_clause.rs

query_dsl

belonging_to_dsl.rs boxed_dsl.rs distinct_dsl.rs filter_dsl.rs group_by_dsl.rs join_dsl.rs limit_dsl.rs load_dsl.rs locking_dsl.rs mod.rs nullable_select_dsl.rs offset_dsl.rs order_dsl.rs save_changes_dsl.rs select_dsl.rs single_value_dsl.rs

query_source

joins.rs mod.rs peano_numbers.rs

sql_types

fold.rs mod.rs ops.rs ord.rs

sqlite

connection

functions.rs mod.rs raw.rs serialized_value.rs sqlite_value.rs statement_iterator.rs stmt.rs

query_builder

types

date_and_time

chrono.rs mod.rs

mod.rs numeric.rs

backend.rs mod.rs

type_impls

date_and_time.rs decimal.rs floats.rs integers.rs mod.rs option.rs primitives.rs tuples.rs

types

backend.rs data_types.rs deserialize.rs insertable.rs lib.rs r2d2.rs result.rs row.rs serialize.rs util.rs

diesel_derives

as_changeset.rs as_expression.rs associations.rs diagnostic_shim.rs diesel_numeric_ops.rs field.rs from_sql_row.rs identifiable.rs insertable.rs lib.rs meta.rs model.rs query_id.rs queryable.rs queryable_by_name.rs resolved_at_shim.rs sql_type.rs util.rs

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itoa

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align.rs mod.rs

align.rs mod.rs

align.rs mod.rs

fixed_width_ints.rs lib.rs macros.rs

libsqlite3_sys

error.rs lib.rs

lock_api

lib.rs mutex.rs remutex.rs rwlock.rs

log

lib.rs macros.rs

matches

memchr

migrations_internals

connection.rs lib.rs migration.rs schema.rs

migrations_macros

embed_migrations.rs lib.rs migrations.rs util.rs

mysqlclient_sys

bindings_macos.rs lib.rs

num_bigint

algorithms.rs bigint.rs biguint.rs lib.rs macros.rs monty.rs

num_integer

average.rs lib.rs roots.rs

num_traits

ops

checked.rs inv.rs mod.rs mul_add.rs overflowing.rs saturating.rs wrapping.rs

bounds.rs cast.rs float.rs identities.rs int.rs lib.rs macros.rs pow.rs real.rs sign.rs

parking_lot

condvar.rs deadlock.rs elision.rs fair_mutex.rs lib.rs mutex.rs once.rs raw_fair_mutex.rs raw_mutex.rs raw_rwlock.rs remutex.rs rwlock.rs util.rs

parking_lot_core

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quickcheck

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quote

ext.rs format.rs ident_fragment.rs lib.rs runtime.rs spanned.rs to_tokens.rs

r2d2

config.rs event.rs extensions.rs lib.rs

regex

regex_syntax

lib.rs literals.rs parser.rs unicode.rs

ryu

buffer

pretty

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common.rs d2s.rs d2s_full_table.rs d2s_intrinsics.rs digit_table.rs f2s.rs f2s_intrinsics.rs lib.rs

scheduled_thread_pool

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scopeguard

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ser

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smallvec

syn

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time

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tinyvec

array

generated_impl.rs

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tinyvec_macros

unicode_bidi

char_data

mod.rs tables.rs

deprecated.rs explicit.rs format_chars.rs implicit.rs level.rs lib.rs prepare.rs

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 replace.rs stream_safe.rs tables.rs

unicode_xid

lib.rs tables.rs

url

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

utf8_ranges

char_utf8.rs lib.rs

uuid

adapter

builder

error.rs mod.rs

parser

error.rs mod.rs

error.rs lib.rs prelude.rs

winapi

// 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));
    }
}