nimbus-eth2/tests/helpers/math_helpers.nim
Etan Kissling f5e9d3ffe4
add trivial {.push raises: [].} to research and test folders (#5988)
Annotate the `research` and `test` files for which no further changes
are needed to successfully compile them, to not interfere with periodic
tasks such as spec reference bumps.
2024-02-29 13:24:08 +00:00

13 lines
583 B
Nim

# beacon_chain
# Copyright (c) 2018-2024 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
func round_multiple_down*(x: uint64, n: uint64): uint64 =
## Round the input to the previous multiple of "n"
x - x mod n