56 lines
2.3 KiB
Nim
56 lines
2.3 KiB
Nim
# Stint
|
|
# Copyright 2018-Present Status Research & Development GmbH
|
|
# Licensed under either of
|
|
#
|
|
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
|
|
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
|
|
#
|
|
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
|
|
|
import ../stint, unittest, math, test_helpers
|
|
|
|
template chkAddMod(chk: untyped, a, b, m, c: string, bits: int) =
|
|
chk addmod(fromHex(StInt[bits], a), fromHex(StInt[bits], b), fromHex(StInt[bits], m)) == fromHex(StInt[bits], c)
|
|
|
|
template chkMulMod(chk: untyped, a, b, m, c: string, bits: int) =
|
|
chk mulmod(fromHex(StInt[bits], a), fromHex(StInt[bits], b), fromHex(StInt[bits], m)) == fromHex(StInt[bits], c)
|
|
|
|
template chkPowMod(chk: untyped, a, b, m, c: string, bits: int) =
|
|
chk powmod(fromHex(StInt[bits], a), fromHex(StInt[bits], b), fromHex(StInt[bits], m)) == fromHex(StInt[bits], c)
|
|
|
|
template testModArith(chk, tst: untyped) =
|
|
tst "addmod":
|
|
chkAddMod(chk, "F", "F", "7", "2", 128)
|
|
chkAddMod(chk, "AAAA", "AA", "F", "0", 128)
|
|
chkAddMod(chk, "BBBB", "AAAA", "9", "3", 128)
|
|
chkAddMod(chk, "BBBBBBBB", "AAAAAAAA", "9", "6", 128)
|
|
chkAddMod(chk, "BBBBBBBBBBBBBBBB", "AAAAAAAAAAAAAAAA", "9", "3", 128)
|
|
chk addmod(-5.i128, -5.i128, 3.i128) == -1.i128
|
|
chk addmod(5.i128, -9.i128, 3.i128) == -1.i128
|
|
chk addmod(-5.i128, 9.i128, 3.i128) == 1.i128
|
|
|
|
tst "submod":
|
|
chk submod(10.i128, 5.i128, 3.i128) == 2.i128
|
|
chk submod(-6.i128, -5.i128, 3.i128) == -1.i128
|
|
chk submod(5.i128, -9.i128, 3.i128) == 2.i128
|
|
chk submod(-5.i128, 9.i128, 3.i128) == -2.i128
|
|
|
|
tst "mulmod":
|
|
chk mulmod(10.i128, 5.i128, 3.i128) == 2.i128
|
|
chk mulmod(-7.i128, -5.i128, 3.i128) == 2.i128
|
|
chk mulmod(6.i128, -9.i128, 4.i128) == -2.i128
|
|
chk mulmod(-5.i128, 7.i128, 3.i128) == -2.i128
|
|
|
|
tst "powmod":
|
|
chk powmod(10.i128, 5.i128, 3.i128) == 1.i128
|
|
chk powmod(-7.i128, 4.i128, 3.i128) == 1.i128
|
|
chk powmod(-7.i128, 3.i128, 3.i128) == -1.i128
|
|
chk powmod(5.i128, 9.i128, 3.i128) == 2.i128
|
|
chk powmod(-5.i128, 9.i128, 3.i128) == -2.i128
|
|
|
|
static:
|
|
testModArith(ctCheck, ctTest)
|
|
|
|
suite "Wider unsigned Modular arithmetic coverage":
|
|
testModArith(check, test)
|