fastnum 0.7.4

Fast decimal numbers library
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185

use crate::bint::{
    doc,
    intrinsics::last_digit_index,
    num::num_impl,
    uint::{
        intrinsics,
        intrinsics::{Digit, Digits, ExpType},
        math, powers,
    },
    Int, UInt,
};

num_impl!(UInt, U);

impl<const N: usize> UInt<N> {
    #[doc = doc::num::mul!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn mul(self, rhs: Self) -> Self {
        #[cfg(debug_assertions)]
        return self.strict_mul(rhs);

        #[cfg(not(debug_assertions))]
        self.wrapping_mul(rhs)
    }

    #[doc = doc::num::div!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn div(self, rhs: Self) -> Self {
        math::div::div(self, rhs)
    }

    #[doc = doc::num::neg!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn neg(self) -> Self {
        #[cfg(debug_assertions)]
        return self.strict_neg();

        #[cfg(not(debug_assertions))]
        self.wrapping_neg()
    }

    #[doc = doc::num::digits!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn digits(&self) -> &Digits<N> {
        self.0.digits()
    }

    #[doc = doc::num::digits_mut!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub fn digits_mut(&mut self) -> &mut Digits<N> {
        self.0.digits_mut()
    }

    #[doc = doc::num::cast_signed!(256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn cast_signed(self) -> Int<N> {
        Int(self.0.cast_signed())
    }

    #[doc = doc::num::div_digit!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn div_digit(self, rhs: Digit) -> Self {
        math::div::div_digit(self, rhs)
    }

    #[doc = doc::num::div_rem!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn div_rem(self, rhs: Self) -> (Self, Self) {
        math::div::div_rem(self, rhs)
    }

    #[doc = doc::num::div_rem_digit!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn div_rem_digit(self, rhs: Digit) -> (Self, Digit) {
        math::div::div_rem_digit(self, rhs)
    }

    #[doc = doc::num::mul_div_rem!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn mul_div_rem(self, rhs: Self, divisor: Self) -> (Self, Self) {
        math::div::mul_div_rem(self, rhs, divisor)
    }

    #[doc = doc::num::mul_div_rem!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn mul_div(self, rhs: Self, divisor: Self) -> Self {
        math::div::mul_div(self, rhs, divisor)
    }

    #[doc = doc::num::from_digits!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn from_digits(digits: Digits<N>) -> Self {
        Self(bnum::BUint::from_digits(digits))
    }

    #[doc = doc::num::from_digit!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn from_digit(digit: Digit) -> Self {
        Self(bnum::BUint::from_digit(digit))
    }

    #[doc = doc::num::power_of_two!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn power_of_two(power: ExpType) -> Self {
        Self(bnum::BUint::power_of_two(power))
    }

    #[doc = doc::num::power_of_five!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn power_of_five(power: ExpType) -> Self {
        Self::strict_power_of_five(power)
    }

    #[doc = doc::num::power_of_ten!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn power_of_ten(power: ExpType) -> Self {
        Self::strict_power_of_ten(power)
    }

    #[doc = doc::num::abs_diff!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn abs_diff(self, other: Self) -> Self {
        Self(self.0.abs_diff(other.0))
    }

    #[doc = doc::num::mul_digit!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn mul_digit(self, digit: u64) -> Self {
        #[cfg(debug_assertions)]
        return self.strict_mul_digit(digit);

        #[cfg(not(debug_assertions))]
        self.wrapping_mul_digit(digit)
    }

    #[doc = doc::num::decimal_digits!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn decimal_digits(&self) -> ExpType {
        powers::decimal_digits(self)
    }

    #[doc = doc::num::remaining_decimal_digits!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn remaining_decimal_digits(&self) -> ExpType {
        powers::remaining_decimal_digits(self)
    }

    #[doc = doc::num::can_scaled_by_power_of_ten!(U 256)]
    #[must_use = doc::must_use_op!()]
    #[inline(always)]
    pub const fn can_scaled_by_power_of_ten(&self, power: ExpType) -> bool {
        powers::can_scaled_by_power_of_ten(self, power)
    }

    #[inline(always)]
    pub(crate) const fn last_digit_index(&self) -> usize {
        last_digit_index(self.digits())
    }

    #[allow(unsafe_code)]
    #[inline(always)]
    pub(crate) const unsafe fn _transmute<const M: usize>(self) -> UInt<M> {
        intrinsics::transmute(self)
    }
}