Rename rounding modes and complete with fourth (#4455)
Co-authored-by: ernestognw <ernestognw@gmail.com>
This commit is contained in:
@ -6,6 +6,9 @@ const { expectRevertCustomError } = require('../../helpers/customError.js');
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const Math = artifacts.require('$Math');
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const RoundingDown = [Rounding.Floor, Rounding.Trunc];
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const RoundingUp = [Rounding.Ceil, Rounding.Expand];
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function expectStruct(value, expected) {
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for (const key in expected) {
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if (BN.isBN(value[key])) {
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@ -244,202 +247,222 @@ contract('Math', function () {
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describe('muldiv', function () {
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it('divide by 0', async function () {
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await expectRevert.unspecified(this.math.$mulDiv(1, 1, 0, Rounding.Down));
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await expectRevert.unspecified(this.math.$mulDiv(1, 1, 0, Rounding.Floor));
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});
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it('reverts with result higher than 2 ^ 256', async function () {
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await expectRevertCustomError(this.math.$mulDiv(5, MAX_UINT256, 2, Rounding.Down), 'MathOverflowedMulDiv', []);
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await expectRevertCustomError(this.math.$mulDiv(5, MAX_UINT256, 2, Rounding.Floor), 'MathOverflowedMulDiv', []);
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});
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describe('does round down', async function () {
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it('small values', async function () {
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expect(await this.math.$mulDiv('3', '4', '5', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.$mulDiv('3', '5', '5', Rounding.Down)).to.be.bignumber.equal('3');
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for (const rounding of RoundingDown) {
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expect(await this.math.$mulDiv('3', '4', '5', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.$mulDiv('3', '5', '5', rounding)).to.be.bignumber.equal('3');
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}
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});
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it('large values', async function () {
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expect(
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await this.math.$mulDiv(new BN('42'), MAX_UINT256_SUB1, MAX_UINT256, Rounding.Down),
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).to.be.bignumber.equal(new BN('41'));
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for (const rounding of RoundingDown) {
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expect(await this.math.$mulDiv(new BN('42'), MAX_UINT256_SUB1, MAX_UINT256, rounding)).to.be.bignumber.equal(
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new BN('41'),
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);
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expect(await this.math.$mulDiv(new BN('17'), MAX_UINT256, MAX_UINT256, Rounding.Down)).to.be.bignumber.equal(
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new BN('17'),
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);
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expect(await this.math.$mulDiv(new BN('17'), MAX_UINT256, MAX_UINT256, rounding)).to.be.bignumber.equal(
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new BN('17'),
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);
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expect(
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await this.math.$mulDiv(MAX_UINT256_SUB1, MAX_UINT256_SUB1, MAX_UINT256, Rounding.Down),
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).to.be.bignumber.equal(MAX_UINT256_SUB2);
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expect(
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await this.math.$mulDiv(MAX_UINT256_SUB1, MAX_UINT256_SUB1, MAX_UINT256, rounding),
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).to.be.bignumber.equal(MAX_UINT256_SUB2);
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expect(
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await this.math.$mulDiv(MAX_UINT256, MAX_UINT256_SUB1, MAX_UINT256, Rounding.Down),
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).to.be.bignumber.equal(MAX_UINT256_SUB1);
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expect(await this.math.$mulDiv(MAX_UINT256, MAX_UINT256_SUB1, MAX_UINT256, rounding)).to.be.bignumber.equal(
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MAX_UINT256_SUB1,
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);
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expect(await this.math.$mulDiv(MAX_UINT256, MAX_UINT256, MAX_UINT256, Rounding.Down)).to.be.bignumber.equal(
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MAX_UINT256,
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);
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expect(await this.math.$mulDiv(MAX_UINT256, MAX_UINT256, MAX_UINT256, rounding)).to.be.bignumber.equal(
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MAX_UINT256,
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);
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}
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});
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});
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describe('does round up', async function () {
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it('small values', async function () {
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expect(await this.math.$mulDiv('3', '4', '5', Rounding.Up)).to.be.bignumber.equal('3');
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expect(await this.math.$mulDiv('3', '5', '5', Rounding.Up)).to.be.bignumber.equal('3');
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for (const rounding of RoundingUp) {
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expect(await this.math.$mulDiv('3', '4', '5', rounding)).to.be.bignumber.equal('3');
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expect(await this.math.$mulDiv('3', '5', '5', rounding)).to.be.bignumber.equal('3');
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}
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});
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it('large values', async function () {
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expect(await this.math.$mulDiv(new BN('42'), MAX_UINT256_SUB1, MAX_UINT256, Rounding.Up)).to.be.bignumber.equal(
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new BN('42'),
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);
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for (const rounding of RoundingUp) {
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expect(await this.math.$mulDiv(new BN('42'), MAX_UINT256_SUB1, MAX_UINT256, rounding)).to.be.bignumber.equal(
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new BN('42'),
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);
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expect(await this.math.$mulDiv(new BN('17'), MAX_UINT256, MAX_UINT256, Rounding.Up)).to.be.bignumber.equal(
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new BN('17'),
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);
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expect(await this.math.$mulDiv(new BN('17'), MAX_UINT256, MAX_UINT256, rounding)).to.be.bignumber.equal(
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new BN('17'),
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);
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expect(
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await this.math.$mulDiv(MAX_UINT256_SUB1, MAX_UINT256_SUB1, MAX_UINT256, Rounding.Up),
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).to.be.bignumber.equal(MAX_UINT256_SUB1);
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expect(
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await this.math.$mulDiv(MAX_UINT256_SUB1, MAX_UINT256_SUB1, MAX_UINT256, rounding),
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).to.be.bignumber.equal(MAX_UINT256_SUB1);
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expect(await this.math.$mulDiv(MAX_UINT256, MAX_UINT256_SUB1, MAX_UINT256, Rounding.Up)).to.be.bignumber.equal(
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MAX_UINT256_SUB1,
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);
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expect(await this.math.$mulDiv(MAX_UINT256, MAX_UINT256_SUB1, MAX_UINT256, rounding)).to.be.bignumber.equal(
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MAX_UINT256_SUB1,
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);
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expect(await this.math.$mulDiv(MAX_UINT256, MAX_UINT256, MAX_UINT256, Rounding.Up)).to.be.bignumber.equal(
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MAX_UINT256,
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);
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expect(await this.math.$mulDiv(MAX_UINT256, MAX_UINT256, MAX_UINT256, rounding)).to.be.bignumber.equal(
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MAX_UINT256,
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);
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}
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});
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});
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});
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describe('sqrt', function () {
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it('rounds down', async function () {
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expect(await this.math.$sqrt('0', Rounding.Down)).to.be.bignumber.equal('0');
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expect(await this.math.$sqrt('1', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('2', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('3', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('4', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('144', Rounding.Down)).to.be.bignumber.equal('12');
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expect(await this.math.$sqrt('999999', Rounding.Down)).to.be.bignumber.equal('999');
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expect(await this.math.$sqrt('1000000', Rounding.Down)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1000001', Rounding.Down)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1002000', Rounding.Down)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1002001', Rounding.Down)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt(MAX_UINT256, Rounding.Down)).to.be.bignumber.equal(
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'340282366920938463463374607431768211455',
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);
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for (const rounding of RoundingDown) {
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expect(await this.math.$sqrt('0', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.$sqrt('1', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('2', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('3', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('4', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('144', rounding)).to.be.bignumber.equal('12');
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expect(await this.math.$sqrt('999999', rounding)).to.be.bignumber.equal('999');
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expect(await this.math.$sqrt('1000000', rounding)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1000001', rounding)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1002000', rounding)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1002001', rounding)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt(MAX_UINT256, rounding)).to.be.bignumber.equal(
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'340282366920938463463374607431768211455',
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);
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}
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});
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it('rounds up', async function () {
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expect(await this.math.$sqrt('0', Rounding.Up)).to.be.bignumber.equal('0');
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expect(await this.math.$sqrt('1', Rounding.Up)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('2', Rounding.Up)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('3', Rounding.Up)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('4', Rounding.Up)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('144', Rounding.Up)).to.be.bignumber.equal('12');
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expect(await this.math.$sqrt('999999', Rounding.Up)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1000000', Rounding.Up)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1000001', Rounding.Up)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt('1002000', Rounding.Up)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt('1002001', Rounding.Up)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt(MAX_UINT256, Rounding.Up)).to.be.bignumber.equal(
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'340282366920938463463374607431768211456',
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);
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for (const rounding of RoundingUp) {
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expect(await this.math.$sqrt('0', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.$sqrt('1', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.$sqrt('2', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('3', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('4', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.$sqrt('144', rounding)).to.be.bignumber.equal('12');
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expect(await this.math.$sqrt('999999', rounding)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1000000', rounding)).to.be.bignumber.equal('1000');
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expect(await this.math.$sqrt('1000001', rounding)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt('1002000', rounding)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt('1002001', rounding)).to.be.bignumber.equal('1001');
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expect(await this.math.$sqrt(MAX_UINT256, rounding)).to.be.bignumber.equal(
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'340282366920938463463374607431768211456',
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);
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}
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});
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});
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describe('log', function () {
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describe('log2', function () {
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it('rounds down', async function () {
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// For some reason calling .$log2() directly fails
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expect(await this.math.methods['$log2(uint256,uint8)']('0', Rounding.Down)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('1', Rounding.Down)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('2', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.methods['$log2(uint256,uint8)']('3', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.methods['$log2(uint256,uint8)']('4', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('5', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('6', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('7', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('8', Rounding.Down)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('9', Rounding.Down)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)'](MAX_UINT256, Rounding.Down)).to.be.bignumber.equal(
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'255',
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);
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for (const rounding of RoundingDown) {
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expect(await this.math.methods['$log2(uint256,uint8)']('0', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('1', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('2', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.methods['$log2(uint256,uint8)']('3', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.methods['$log2(uint256,uint8)']('4', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('5', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('6', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('7', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('8', rounding)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('9', rounding)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)'](MAX_UINT256, rounding)).to.be.bignumber.equal('255');
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}
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});
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it('rounds up', async function () {
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// For some reason calling .$log2() directly fails
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expect(await this.math.methods['$log2(uint256,uint8)']('0', Rounding.Up)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('1', Rounding.Up)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('2', Rounding.Up)).to.be.bignumber.equal('1');
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expect(await this.math.methods['$log2(uint256,uint8)']('3', Rounding.Up)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('4', Rounding.Up)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('5', Rounding.Up)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('6', Rounding.Up)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('7', Rounding.Up)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('8', Rounding.Up)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('9', Rounding.Up)).to.be.bignumber.equal('4');
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expect(await this.math.methods['$log2(uint256,uint8)'](MAX_UINT256, Rounding.Up)).to.be.bignumber.equal('256');
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for (const rounding of RoundingUp) {
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expect(await this.math.methods['$log2(uint256,uint8)']('0', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('1', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.methods['$log2(uint256,uint8)']('2', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.methods['$log2(uint256,uint8)']('3', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('4', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.methods['$log2(uint256,uint8)']('5', rounding)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('6', rounding)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('7', rounding)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('8', rounding)).to.be.bignumber.equal('3');
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expect(await this.math.methods['$log2(uint256,uint8)']('9', rounding)).to.be.bignumber.equal('4');
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expect(await this.math.methods['$log2(uint256,uint8)'](MAX_UINT256, rounding)).to.be.bignumber.equal('256');
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}
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});
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});
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describe('log10', function () {
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it('rounds down', async function () {
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expect(await this.math.$log10('0', Rounding.Down)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('1', Rounding.Down)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('2', Rounding.Down)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('9', Rounding.Down)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('10', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.$log10('11', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.$log10('99', Rounding.Down)).to.be.bignumber.equal('1');
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expect(await this.math.$log10('100', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.$log10('101', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.$log10('999', Rounding.Down)).to.be.bignumber.equal('2');
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expect(await this.math.$log10('1000', Rounding.Down)).to.be.bignumber.equal('3');
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expect(await this.math.$log10('1001', Rounding.Down)).to.be.bignumber.equal('3');
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expect(await this.math.$log10(MAX_UINT256, Rounding.Down)).to.be.bignumber.equal('77');
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for (const rounding of RoundingDown) {
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expect(await this.math.$log10('0', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('1', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('2', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('9', rounding)).to.be.bignumber.equal('0');
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expect(await this.math.$log10('10', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.$log10('11', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.$log10('99', rounding)).to.be.bignumber.equal('1');
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expect(await this.math.$log10('100', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.$log10('101', rounding)).to.be.bignumber.equal('2');
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expect(await this.math.$log10('999', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log10('1000', rounding)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10('1001', rounding)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10(MAX_UINT256, rounding)).to.be.bignumber.equal('77');
|
||||
}
|
||||
});
|
||||
|
||||
it('rounds up', async function () {
|
||||
expect(await this.math.$log10('0', Rounding.Up)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log10('1', Rounding.Up)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log10('2', Rounding.Up)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log10('9', Rounding.Up)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log10('10', Rounding.Up)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log10('11', Rounding.Up)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log10('99', Rounding.Up)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log10('100', Rounding.Up)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log10('101', Rounding.Up)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10('999', Rounding.Up)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10('1000', Rounding.Up)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10('1001', Rounding.Up)).to.be.bignumber.equal('4');
|
||||
expect(await this.math.$log10(MAX_UINT256, Rounding.Up)).to.be.bignumber.equal('78');
|
||||
for (const rounding of RoundingUp) {
|
||||
expect(await this.math.$log10('0', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log10('1', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log10('2', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log10('9', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log10('10', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log10('11', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log10('99', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log10('100', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log10('101', rounding)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10('999', rounding)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10('1000', rounding)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log10('1001', rounding)).to.be.bignumber.equal('4');
|
||||
expect(await this.math.$log10(MAX_UINT256, rounding)).to.be.bignumber.equal('78');
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
describe('log256', function () {
|
||||
it('rounds down', async function () {
|
||||
expect(await this.math.$log256('0', Rounding.Down)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('1', Rounding.Down)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('2', Rounding.Down)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('255', Rounding.Down)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('256', Rounding.Down)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('257', Rounding.Down)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('65535', Rounding.Down)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('65536', Rounding.Down)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65537', Rounding.Down)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256(MAX_UINT256, Rounding.Down)).to.be.bignumber.equal('31');
|
||||
for (const rounding of RoundingDown) {
|
||||
expect(await this.math.$log256('0', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('1', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('2', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('255', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('256', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('257', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('65535', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('65536', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65537', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256(MAX_UINT256, rounding)).to.be.bignumber.equal('31');
|
||||
}
|
||||
});
|
||||
|
||||
it('rounds up', async function () {
|
||||
expect(await this.math.$log256('0', Rounding.Up)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('1', Rounding.Up)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('2', Rounding.Up)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('255', Rounding.Up)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('256', Rounding.Up)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('257', Rounding.Up)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65535', Rounding.Up)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65536', Rounding.Up)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65537', Rounding.Up)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log256(MAX_UINT256, Rounding.Up)).to.be.bignumber.equal('32');
|
||||
for (const rounding of RoundingUp) {
|
||||
expect(await this.math.$log256('0', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('1', rounding)).to.be.bignumber.equal('0');
|
||||
expect(await this.math.$log256('2', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('255', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('256', rounding)).to.be.bignumber.equal('1');
|
||||
expect(await this.math.$log256('257', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65535', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65536', rounding)).to.be.bignumber.equal('2');
|
||||
expect(await this.math.$log256('65537', rounding)).to.be.bignumber.equal('3');
|
||||
expect(await this.math.$log256(MAX_UINT256, rounding)).to.be.bignumber.equal('32');
|
||||
}
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
Reference in New Issue
Block a user