diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/math/big/int.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/math/big/int.go b/src/math/big/int.go index bf1fa73cce..019af616d7 100644 --- a/src/math/big/int.go +++ b/src/math/big/int.go @@ -504,6 +504,8 @@ func (z *Int) Exp(x, y, m *Int) *Int { // GCD sets z to the greatest common divisor of a and b and returns z. // If x or y are not nil, GCD sets their value such that z = a*x + b*y. +// As of Go 1.14, a and b may be zero or negative (before Go 1.14 both +// a and b had to be > 0). // Regardless of the signs of a and b, z is always >= 0. // If a == b == 0, GCD sets z = x = y = 0. // If a == 0 and b != 0, GCD sets z = |b|, x = 0, y = sign(b) * 1. |