pkg image/jpeg, func Encode(io.Writer, image.Image, *Options) error
pkg image/jpeg, method (FormatError) Error() string
pkg image/jpeg, method (UnsupportedError) Error() string
pkg image/jpeg, type FormatError string
pkg image/jpeg, type Options struct
pkg image/jpeg, type Options struct, Quality int
pkg image/jpeg, type Reader interface { Read, ReadByte }

y[2], c) t1[3], c = bits.Add64(x[3], y[3], c) t2 := make([]uint64, 4) t2[0], b = bits.Sub64(t1[0], p256P[0], 0) t2[1], b = bits.Sub64(t1[1], p256P[1], b) t2[2], b = bits.Sub64(t1[2], p256P[2], b) t2[3], b = bits.Sub64(t1[3], p256P[3], b) // Three options: // - a+b < p // then c is 0, b is 1, and t1 is correct // - p <= a+b < 2^256 // then c is 0, b is 0, and t2 is correct // - 2^256 <= a+b // then c is 1, b is 1, and t2 is correct t2Mask := (c ^ b) - 1 res[0] = (t1[0] & ^t2Mask) | (t2[0] & t2Mask)...