bnum 0.11.0

Arbitrary, fixed size numeric types that extend the functionality of primitive numeric types.
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

use crate::{doc, ExpType};

macro_rules! wrapping {
    ($BUint: ident, $BInt: ident, $Digit: ident) => {
        #[doc = doc::wrapping::impl_desc!()]
        impl<const N: usize> $BInt<N> {
            #[doc = doc::wrapping::wrapping_add!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_add(self, rhs: Self) -> Self {
                Self::from_bits(self.bits.wrapping_add(rhs.bits))
            }

            #[doc = doc::wrapping::wrapping_add_unsigned!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_add_unsigned(self, rhs: $BUint<N>) -> Self {
                self.overflowing_add_unsigned(rhs).0
            }

            #[doc = doc::wrapping::wrapping_sub!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_sub(self, rhs: Self) -> Self {
                Self::from_bits(self.bits.wrapping_sub(rhs.bits))
            }

            #[doc = doc::wrapping::wrapping_sub_unsigned!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_sub_unsigned(self, rhs: $BUint<N>) -> Self {
                self.overflowing_sub_unsigned(rhs).0
            }

            #[doc = doc::wrapping::wrapping_mul!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_mul(self, rhs: Self) -> Self {
                Self::from_bits(self.bits.wrapping_mul(rhs.bits))
            }

            #[doc = doc::wrapping::wrapping_div!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_div(self, rhs: Self) -> Self {
                self.overflowing_div(rhs).0
            }

            #[doc = doc::wrapping::wrapping_div_euclid!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_div_euclid(self, rhs: Self) -> Self {
                self.overflowing_div_euclid(rhs).0
            }

            #[doc = doc::wrapping::wrapping_rem!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_rem(self, rhs: Self) -> Self {
                self.overflowing_rem(rhs).0
            }

            #[doc = doc::wrapping::wrapping_rem_euclid!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_rem_euclid(self, rhs: Self) -> Self {
                self.overflowing_rem_euclid(rhs).0
            }

            #[doc = doc::wrapping::wrapping_neg!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_neg(self) -> Self {
                self.overflowing_neg().0
            }

            #[doc = doc::wrapping::wrapping_shl!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_shl(self, rhs: ExpType) -> Self {
                self.overflowing_shl(rhs).0
            }

            #[doc = doc::wrapping::wrapping_shr!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_shr(self, rhs: ExpType) -> Self {
                self.overflowing_shr(rhs).0
            }

            #[doc = doc::wrapping::wrapping_abs!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_abs(self) -> Self {
                self.overflowing_abs().0
            }

            #[doc = doc::wrapping::wrapping_pow!(I)]
            #[must_use = doc::must_use_op!()]
            #[inline]
            pub const fn wrapping_pow(self, pow: ExpType) -> Self {
                // as wrapping_mul for signed and unsigned is the same
                Self::from_bits(self.bits.wrapping_pow(pow))
            }
        }

        #[cfg(test)]
        paste::paste! {
            mod [<$Digit _digit_tests>] {
                use crate::test::types::big_types::$Digit::*;
                use crate::test::{test_bignum, types::{itest, utest}};

                test_bignum! {
                    function: <itest>::wrapping_add(a: itest, b: itest)
                }
                test_bignum! {
                    function: <itest>::wrapping_add_unsigned(a: itest, b: utest)
                }
                test_bignum! {
                    function: <itest>::wrapping_sub(a: itest, b: itest)
                }
                test_bignum! {
                    function: <itest>::wrapping_sub_unsigned(a: itest, b: utest)
                }
                test_bignum! {
                    function: <itest>::wrapping_mul(a: itest, b: itest)
                }
                test_bignum! {
                    function: <itest>::wrapping_div(a: itest, b: itest),
                    skip: b == 0
                }
                test_bignum! {
                    function: <itest>::wrapping_div_euclid(a: itest, b: itest),
                    skip: b == 0
                }
                test_bignum! {
                    function: <itest>::wrapping_rem(a: itest, b: itest),
                    skip: b == 0,
                    cases: [
                        (itest::MIN, -1i8),
                        (185892231884832768i64 as itest, 92946115942416385i64 as itest)
                    ]
                }
                test_bignum! {
                    function: <itest>::wrapping_rem_euclid(a: itest, b: itest),
                    skip: b == 0
                }
                test_bignum! {
                    function: <itest>::wrapping_neg(a: itest),
                    cases: [
                        (itest::MIN)
                    ]
                }
                test_bignum! {
                    function: <itest>::wrapping_shl(a: itest, b: u16)
                }
                test_bignum! {
                    function: <itest>::wrapping_shr(a: itest, b: u16)
                }
                test_bignum! {
                    function: <itest>::wrapping_abs(a: itest)
                }
                test_bignum! {
                    function: <itest>::wrapping_pow(a: itest, b: u16)
                }
            }
        }
    };
}

crate::macro_impl!(wrapping);