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fix endianness of to/from_doublebigdigit calls

This commit is contained in:
Josh Stone 2017-07-11 17:22:11 -07:00
parent 18cc1902fb
commit 18a5bfcd0b
1 changed files with 5 additions and 5 deletions
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10
bigint/src/biguint.rs
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@ -429,7 +429,7 @@ impl Add<DoubleBigDigit> for BigUint {
self.data.push(0); self.data.push(0);
} }
let (lo, hi) = big_digit::from_doublebigdigit(other); let (hi, lo) = big_digit::from_doublebigdigit(other);
let carry = __add2(&mut self.data, &[lo, hi]); let carry = __add2(&mut self.data, &[lo, hi]);
if carry != 0 { if carry != 0 {
self.data.push(carry); self.data.push(carry);
@ -497,7 +497,7 @@ impl Sub<DoubleBigDigit> for BigUint {
#[inline] #[inline]
fn sub(mut self, other: DoubleBigDigit) -> BigUint { fn sub(mut self, other: DoubleBigDigit) -> BigUint {
let (lo, hi) = big_digit::from_doublebigdigit(other); let (hi, lo) = big_digit::from_doublebigdigit(other);
sub2(&mut self.data[..], &[lo, hi]); sub2(&mut self.data[..], &[lo, hi]);
self.normalize() self.normalize()
} }
@ -512,7 +512,7 @@ impl Sub<BigUint> for DoubleBigDigit {
other.data.push(0); other.data.push(0);
} }
let (lo, hi) = big_digit::from_doublebigdigit(self); let (hi, lo) = big_digit::from_doublebigdigit(self);
sub2rev(&[lo, hi], &mut other.data[..]); sub2rev(&[lo, hi], &mut other.data[..]);
other.normalize() other.normalize()
} }
@ -561,7 +561,7 @@ impl Mul<DoubleBigDigit> for BigUint {
} else if other <= BigDigit::max_value() as DoubleBigDigit { } else if other <= BigDigit::max_value() as DoubleBigDigit {
self * other as BigDigit self * other as BigDigit
} else { } else {
let (lo, hi) = big_digit::from_doublebigdigit(other); let (hi, lo) = big_digit::from_doublebigdigit(other);
mul3(&self.data[..], &[lo, hi]) mul3(&self.data[..], &[lo, hi])
} }
} }
@ -624,7 +624,7 @@ impl Div<BigUint> for DoubleBigDigit {
match other.data.len() { match other.data.len() {
0 => panic!(), 0 => panic!(),
1 => From::from(self / other.data[0] as u64), 1 => From::from(self / other.data[0] as u64),
2 => From::from(self / big_digit::to_doublebigdigit(other.data[0], other.data[1])), 2 => From::from(self / big_digit::to_doublebigdigit(other.data[1], other.data[0])),
_ => Zero::zero(), _ => Zero::zero(),
} }
} }