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#[inline]
pub fn load3(input: &[u8]) -> i64 {
(input[0] as i64)
| ((input[1] as i64) << 8)
| ((input[2] as i64) << 16)
}
#[inline]
pub fn load4(input: &[u8]) -> i64 {
(input[0] as i64)
| ((input[1] as i64) << 8)
| ((input[2] as i64) << 16)
| ((input[3] as i64) << 24)
}
#[inline]
pub fn load8(input: &[u8]) -> u64 {
(input[0] as u64)
| ((input[1] as u64) << 8)
| ((input[2] as u64) << 16)
| ((input[3] as u64) << 24)
| ((input[4] as u64) << 32)
| ((input[5] as u64) << 40)
| ((input[6] as u64) << 48)
| ((input[7] as u64) << 56)
}