public function testPositiveNegativeDecimalAdd()
{
$n1 = Decimal::fromString('3.45');
$n2 = Decimal::fromString('-7.67');
$this->assertTrue($n1->add($n2)->equals(Decimal::fromString('-4.22')));
$this->assertTrue($n2->add($n1)->equals(Decimal::fromString('-4.22')));
}
public function testNegativeNumbers()
{
$this->assertFalse(Decimal::fromInteger(-1)->isZero());
$this->assertFalse(Decimal::fromFloat(-1.0)->isZero());
$this->assertFalse(Decimal::fromFloat(-0.1)->isZero());
$this->assertFalse(Decimal::fromString('-1')->isZero());
}
/**
* @dataProvider modProvider
*/
public function testFiniteFiniteMod($number, $mod, $answer, $scale = null)
{
$numberDec = Decimal::fromString($number);
$modDec = Decimal::fromString($mod);
$decimalAnswer = $numberDec->mod($modDec, $scale);
$this->assertTrue(Decimal::fromString($answer)->equals($decimalAnswer), $decimalAnswer . ' % ' . $mod . ' must be equal to ' . $answer . ', but was ' . $decimalAnswer);
}
public function testBasicCase()
{
$n1 = Decimal::fromString('3.45');
$this->assertTrue(Decimal::fromDecimal($n1)->equals($n1));
$this->assertTrue(Decimal::fromDecimal($n1, 2)->equals($n1));
$this->assertTrue(Decimal::fromDecimal($n1, 1)->equals(Decimal::fromString('3.5')));
$this->assertTrue(Decimal::fromDecimal($n1, 0)->equals(Decimal::fromString('3')));
}
function handleValueFromDb($value, array $fieldInfo, $row)
{
if ($value === null && $this->zeroIfNull) {
$value = "0";
}
if ($value !== null) {
return BigNumbers\Decimal::fromString($value);
}
}
public function __invoke($value) : ValidationResult
{
Assertion::numeric($value);
$decimalValue = Decimal::fromString((string) $value);
if ($decimalValue->comp($this->limit) === 1) {
return new ValidationResult(new ValidationError('error.max-number', ['limit' => (string) $this->limit]));
}
return new ValidationResult();
}
public function __invoke($value) : ValidationResult
{
Assertion::numeric($value);
$decimalValue = Decimal::fromString((string) $value);
$floorModulo = $this->floorModulo($decimalValue->sub($this->base), $this->step);
if ($floorModulo->comp(DecimalConstants::zero()) !== 0) {
return new ValidationResult(new ValidationError('error.step-number', ['lowValue' => $this->trimZeroDecimal((string) $decimalValue->sub($floorModulo)), 'highValue' => $this->trimZeroDecimal((string) $decimalValue->add($this->step)->sub($floorModulo))]));
}
return new ValidationResult();
}
public function testAsFloat()
{
$this->assertEquals(1.0, Decimal::fromString('1.0')->asFloat());
$this->assertTrue(is_float(Decimal::fromString('1.0')->asFloat()));
$this->assertEquals(1.0, Decimal::fromInteger(1)->asFloat());
$this->assertTrue(is_float(Decimal::fromInteger(1)->asFloat()));
$this->assertEquals(1.0, Decimal::fromFloat(1.0)->asFloat());
$this->assertEquals(1.123123123, Decimal::fromString('1.123123123')->asFloat());
$this->assertTrue(is_float(Decimal::fromFloat(1.0)->asFloat()));
$this->assertTrue(is_float(Decimal::fromString('1.123123123')->asFloat()));
}
public function testBasicDiv()
{
$one = Decimal::fromInteger(1);
$two = Decimal::fromInteger(2);
$four = Decimal::fromInteger(4);
$eight = Decimal::fromInteger(8);
// Integer exact division
$this->assertTrue($eight->div($two)->equals($four));
$this->assertTrue($eight->div($four)->equals($two));
// Arbitrary precision division
$this->assertTrue($one->div($eight, 0)->equals(Decimal::fromString('0')));
$this->assertTrue($one->div($eight, 1)->equals(Decimal::fromString('0.1')));
$this->assertTrue($one->div($eight, 2)->equals(Decimal::fromString('0.13')));
$this->assertTrue($one->div($eight, 3)->equals(Decimal::fromString('0.125')));
}
public function __invoke(string $value)
{
$cleanedValue = preg_replace_callback('(^[^\\d-.]*(-?)([^.]*)(.?)(.*)$)', function (array $match) : string {
return $match[1] . preg_replace('([^\\d]+)', '', $match[2]) . $match[3] . preg_replace('([^\\d]+)', '', $match[4]);
}, $value);
if ('' === $cleanedValue) {
return null;
}
if ('-' === $cleanedValue) {
$cleanedValue = '0';
}
if (0 === strpos($cleanedValue, '.')) {
$cleanedValue = '0' . $cleanedValue;
}
return Decimal::fromString($cleanedValue);
}
public function testNotIntegers()
{
$this->assertFalse(Decimal::fromString("-200.001")->isInteger());
$this->assertFalse(Decimal::fromString("-2.001")->isInteger());
$this->assertFalse(Decimal::fromString("-1.001")->isInteger());
$this->assertFalse(Decimal::fromString("0.001")->isInteger());
$this->assertFalse(Decimal::fromString("1.001")->isInteger());
$this->assertFalse(Decimal::fromString("2.001")->isInteger());
$this->assertFalse(Decimal::fromString("200.001")->isInteger());
$this->assertFalse(Decimal::fromFloat(-200.001)->isInteger());
$this->assertFalse(Decimal::fromFloat(-2.001)->isInteger());
$this->assertFalse(Decimal::fromFloat(-1.001)->isInteger());
$this->assertFalse(Decimal::fromFloat(0.001)->isInteger());
$this->assertFalse(Decimal::fromFloat(1.001)->isInteger());
$this->assertFalse(Decimal::fromFloat(2.001)->isInteger());
$this->assertFalse(Decimal::fromFloat(200.001)->isInteger());
}
function testDecimalToDb()
{
$d = Test\Factory::managerNoteModelCustom('
/** :amiss = true; */
class Pants {
/** :amiss = {"field": {"primary": true, "type": "autoinc"}}; */
public $id;
/** :amiss = {"field": {"type": "decimal"}}; */
public $num;
}
');
$c = $d->ns . '\\Pants';
$obj = new $c();
$obj->num = Decimal::fromString("1.23456");
$d->manager->insert($obj);
$out = $d->connector->query("SELECT num FROM pants")->fetchColumn(0);
$this->assertEquals("1.23456", $out);
}
public function testScaledEquals()
{
// Transitivity
$this->assertTrue(Decimal::fromFloat(1.001)->equals(Decimal::fromFloat(1.01), 1));
$this->assertTrue(Decimal::fromFloat(1.01)->equals(Decimal::fromFloat(1.004), 1));
$this->assertTrue(Decimal::fromFloat(1.001)->equals(Decimal::fromFloat(1.004), 1));
// Reflexivity
$this->assertTrue(Decimal::fromFloat(1.00525)->equals(Decimal::fromFloat(1.00525), 2));
// Symmetry
$this->assertTrue(Decimal::fromFloat(1.01)->equals(Decimal::fromFloat(1.001), 1));
$this->assertTrue(Decimal::fromFloat(1.004)->equals(Decimal::fromFloat(1.01), 1));
$this->assertTrue(Decimal::fromFloat(1.004)->equals(Decimal::fromFloat(1.001), 1));
// Proper rounding
$this->assertTrue(Decimal::fromFloat(1.004)->equals(Decimal::fromFloat(1.0), 2));
// Warning, float to Decimal conversion can have unexpected behaviors, like converting
// 1.005 to Decimal("1.0049999999999999")
$this->assertTrue(Decimal::fromFloat(1.0050000000001)->equals(Decimal::fromFloat(1.01), 2));
$this->assertTrue(Decimal::fromString("1.005")->equals(Decimal::fromString("1.010"), 2));
}
/**
* @dataProvider tanProvider
*/
public function testSimple($nr, $answer, $digits)
{
$x = Decimal::fromString($nr);
$tanX = $x->tan($digits);
$this->assertTrue(Decimal::fromString($answer)->equals($tanX), 'tan(' . $nr . ') must be equal to ' . $answer . ', but was ' . $tanX);
}
public function testWithScale()
{
$this->assertTrue(Decimal::fromString('7.426', 2)->equals(Decimal::fromString('7.43')));
}
public function testE()
{
$this->assertTrue(DecimalConstants::e()->equals(Decimal::fromString("2.71828182845904523536028747135266")));
$this->assertTrue(DecimalConstants::e(32)->equals(Decimal::fromString("2.71828182845904523536028747135266")));
$this->assertTrue(DecimalConstants::e(16)->equals(Decimal::fromString("2.7182818284590452")));
}
public function testNoUsefulFloor()
{
$this->assertTrue(Decimal::fromString('3.45')->floor(2)->equals(Decimal::fromString('3.45')));
$this->assertTrue(Decimal::fromString('3.45')->floor(3)->equals(Decimal::fromString('3.45')));
}
public static function validXmlProvider() : array
{
return ['project-sample-data' => ['projectsampledata.xml', [['record-id' => 7676, 'mod-id' => 5, 'PROJECT ID MATCH FIELD' => Decimal::fromInteger(1), 'Created By' => 'Tim Thomson', 'Creation TimeStamp' => new DateTimeImmutable('2012-02-22 17:19:47 UTC'), 'Project Name' => 'Launch web site', 'Description' => "Launch the web site with our new branding and product line.\n\n" . " Third line", 'Status' => Decimal::fromInteger(4), 'Status on Screen' => 'Overdue', 'Start Date' => new DateTimeImmutable('2011-04-13 00:00:00 UTC'), 'Due Date' => new DateTimeImmutable('2012-05-02 00:00:00 UTC'), 'Days Remaining' => Decimal::fromInteger(0), 'Days Elapsed' => Decimal::fromInteger(275), 'Project Completion' => Decimal::fromString('0.48'), 'Tag' => 'marketing', 'Start Date Project Completion' => new DateTimeImmutable('2011-04-13 00:00:00 UTC'), 'Due Date Project Completion' => new DateTimeImmutable('2012-05-02 00:00:00 UTC'), 'Repeating Field' => ['A1', 'B2', 'C3', 'D4', 'E5', 'F6', 'G7', 'H8', 'I9'], 'Tasks' => [['record-id' => 14999, 'mod-id' => 1, 'Task Name' => 'Site map sketch', 'TASK ID MATCH FIELD' => Decimal::fromInteger(2), 'Repeating Field' => [Decimal::fromInteger(1), Decimal::fromInteger(2), Decimal::fromInteger(3)]], ['record-id' => 15000, 'mod-id' => 1, 'Task Name' => 'Send art to vendor', 'TASK ID MATCH FIELD' => Decimal::fromInteger(4), 'Repeating Field' => [Decimal::fromInteger(4), Decimal::fromInteger(5), Decimal::fromInteger(6)]], ['record-id' => 15001, 'mod-id' => 1, 'Task Name' => 'Review mock ups', 'TASK ID MATCH FIELD' => Decimal::fromInteger(5), 'Repeating Field' => [Decimal::fromInteger(7), Decimal::fromInteger(8), Decimal::fromInteger(9)]], ['record-id' => 15002, 'mod-id' => 0, 'Task Name' => 'Write page text', 'TASK ID MATCH FIELD' => Decimal::fromInteger(6), 'Repeating Field' => [null, null, null]], ['record-id' => 15003, 'mod-id' => 0, 'Task Name' => 'New logo art', 'TASK ID MATCH FIELD' => Decimal::fromInteger(3), 'Repeating Field' => [null, null, null]]]], ['record-id' => 7677, 'mod-id' => 4, 'PROJECT ID MATCH FIELD' => Decimal::fromInteger(7), 'Created By' => 'Tim Thomson', 'Creation TimeStamp' => new DateTimeImmutable('2012-02-22 17:19:47 UTC'), 'Project Name' => 'Prototype', 'Description' => "Build a working prototype of the new product.\n\n\n" . " Fourth line.", 'Status' => Decimal::fromInteger(4), 'Status on Screen' => 'Overdue', 'Start Date' => new DateTimeImmutable('2012-02-06 00:00:00 UTC'), 'Due Date' => new DateTimeImmutable('2012-02-17 00:00:00 UTC'), 'Days Remaining' => Decimal::fromInteger(0), 'Days Elapsed' => Decimal::fromInteger(9), 'Project Completion' => Decimal::fromString('0.32'), 'Tag' => 'manufacturing', 'Start Date Project Completion' => new DateTimeImmutable('2012-02-09 00:00:00 UTC'), 'Due Date Project Completion' => new DateTimeImmutable('2012-02-17 00:00:00 UTC'), 'Repeating Field' => ['*1', '-2', '+3', '.4', '/5', '=6', '=7', '-8', '`9'], 'Tasks' => [['record-id' => 15005, 'mod-id' => 1, 'Task Name' => 'Build prototype', 'TASK ID MATCH FIELD' => Decimal::fromInteger(9), 'Repeating Field' => [null, null, null]], ['record-id' => 15006, 'mod-id' => 1, 'Task Name' => 'Review sketches', 'TASK ID MATCH FIELD' => Decimal::fromInteger(8), 'Repeating Field' => [null, null, null]], ['record-id' => 15007, 'mod-id' => 1, 'Task Name' => 'Complete sketches', 'TASK ID MATCH FIELD' => Decimal::fromInteger(7), 'Repeating Field' => [null, null, null]], ['record-id' => 15014, 'mod-id' => 0, 'Task Name' => 'Draft requirements', 'TASK ID MATCH FIELD' => Decimal::fromInteger(16), 'Repeating Field' => [null, null, null]], ['record-id' => 15015, 'mod-id' => 0, 'Task Name' => 'Review requirements', 'TASK ID MATCH FIELD' => Decimal::fromInteger(17), 'Repeating Field' => [null, null, null]]]], ['record-id' => 7678, 'mod-id' => 4, 'PROJECT ID MATCH FIELD' => Decimal::fromInteger(13), 'Created By' => 'Tim Thomson', 'Creation TimeStamp' => new DateTimeImmutable('2012-02-22 17:19:47 UTC'), 'Project Name' => 'Investor meeting', 'Description' => "This is important. We need the investors to have confidence.\n" . " Second line.", 'Status' => Decimal::fromInteger(4), 'Status on Screen' => 'Overdue', 'Start Date' => new DateTimeImmutable('2011-12-12 00:00:00 UTC'), 'Due Date' => new DateTimeImmutable('2012-03-22 00:00:00 UTC'), 'Days Remaining' => Decimal::fromInteger(0), 'Days Elapsed' => Decimal::fromInteger(73), 'Project Completion' => Decimal::fromString('0.4285714285714286'), 'Tag' => 'finance', 'Start Date Project Completion' => new DateTimeImmutable('2012-01-02 00:00:00 UTC'), 'Due Date Project Completion' => new DateTimeImmutable('2012-03-22 00:00:00 UTC'), 'Repeating Field' => ['a1', 'b2', 'c3', 'd4', 'e5', 'f6', 'g7', 'h8', 'i9'], 'Tasks' => [['record-id' => 15004, 'mod-id' => 1, 'Task Name' => 'Gather requirements', 'TASK ID MATCH FIELD' => Decimal::fromInteger(1), 'Repeating Field' => [null, Decimal::fromInteger(0), null]], ['record-id' => 15008, 'mod-id' => 1, 'Task Name' => 'Investor meeting', 'TASK ID MATCH FIELD' => Decimal::fromInteger(13), 'Repeating Field' => [null, null, Decimal::fromInteger(0)]], ['record-id' => 15009, 'mod-id' => 1, 'Task Name' => 'Final draft of slides', 'TASK ID MATCH FIELD' => Decimal::fromInteger(12), 'Repeating Field' => [null, null, null]], ['record-id' => 15010, 'mod-id' => 0, 'Task Name' => 'Complete business plan', 'TASK ID MATCH FIELD' => Decimal::fromInteger(10), 'Repeating Field' => [null, null, null]], ['record-id' => 15011, 'mod-id' => 0, 'Task Name' => 'First draft of slides', 'TASK ID MATCH FIELD' => Decimal::fromInteger(11), 'Repeating Field' => [null, null, null]], ['record-id' => 15012, 'mod-id' => 0, 'Task Name' => 'Market research', 'TASK ID MATCH FIELD' => Decimal::fromInteger(14), 'Repeating Field' => [null, null, null]], ['record-id' => 15013, 'mod-id' => 0, 'Task Name' => 'Competitive analysis', 'TASK ID MATCH FIELD' => Decimal::fromInteger(15), 'Repeating Field' => [null, null, null]]]]], 3], 'empty-resultset' => ['sample_fmresultset_empty.xml', [], 0]];
}
/**
* Returns the Silver Ratio.
* @return Decimal
*/
public static function silverRatio()
{
if (self::$SilverRatio === null) {
self::$SilverRatio = Decimal::fromString("2.41421356237309504880168872420970");
}
return self::$SilverRatio;
}
/**
* @expectedException \DomainException
* @expectedExceptionMessage The arccos of this number is undefined.
*/
public function testArccosFewerThanNegativeOne()
{
Decimal::fromString('-304.75')->arccos();
}
/**
* @dataProvider expProvider
*/
public function testSimple($nr, $answer, $digits)
{
$x = Decimal::fromString($nr);
$expX = $x->exp((int) $digits);
$this->assertTrue(Decimal::fromString($answer)->equals($expX), "The answer must be " . $answer . ", but was " . $expX);
}
/**
* @expectedException \DomainException
* @expectedExceptionMessage The arcsecant of this number is undefined.
*/
public function testArcsecBetweenOneAndNegativeOne()
{
Decimal::fromString('0.546')->arcsec();
}
public function parameterProvider() : array
{
return ['no-parameters' => [[], '-lay=foo'], 'empty-parameter' => [['foo' => ''], '-lay=foo&foo'], 'null-parameter' => [['foo' => null], '-lay=foo&foo'], 'string-parameter' => [['foo' => 'bar'], '-lay=foo&foo=bar'], 'integer-parameter' => [['foo' => 3], '-lay=foo&foo=3'], 'float-parameter' => [['foo' => 3.3], '-lay=foo&foo=3.3'], 'boolean-parameter' => [['foo' => true], '-lay=foo&foo=1'], 'datetime-parameter' => [['foo' => new DateTimeImmutable('2016-01-01 00:00:00 UTC')], '-lay=foo&foo=01%2F01%2F2016+00%3A00%3A00'], 'decimal-parameter' => [['foo' => Decimal::fromString('12.499734362638823')], '-lay=foo&foo=12.499734362638823']];
}
public function testNoUsefulCeil()
{
$this->assertTrue(Decimal::fromString('3.45')->ceil(2)->equals(Decimal::fromString('3.45')));
$this->assertTrue(Decimal::fromString('3.45')->ceil(3)->equals(Decimal::fromString('3.45')));
}
public function testPositiveAdditiveInverse()
{
$this->assertTrue(Decimal::fromInteger(1)->additiveInverse()->equals(Decimal::fromInteger(-1)));
$this->assertTrue(Decimal::fromString('1.768')->additiveInverse()->equals(Decimal::fromString('-1.768')));
}
/**
* Calculates the cosine of this method with the highest possible accuracy
* Note that accuracy is limited by the accuracy of predefined PI;
*
* @param integer $scale
* @return Decimal cos($this)
*/
public function cos($scale = null)
{
// First normalise the number in the [0, 2PI] domain
$x = $this->mod(DecimalConstants::PI()->mul(Decimal::fromString("2")));
// PI has only 32 significant numbers
$scale = $scale === null ? 32 : $scale;
return self::factorialSerie($x, DecimalConstants::one(), function ($i) {
return $i % 2 === 0 ? $i % 4 === 0 ? DecimalConstants::one() : DecimalConstants::negativeOne() : DecimalConstants::zero();
}, $scale);
}
protected function applyValue($input, Context $ctx)
{
$output = $input;
cast:
$allowString = $this->allowString === null ? true : $this->allowString;
try {
$cast = $input;
if ($allowString && is_string($input)) {
if ($input === '') {
$cast = null;
} else {
$cast = BigNumbers\Decimal::fromString($input);
}
} elseif ($this->allowInt && is_int($input)) {
$cast = BigNumbers\Decimal::fromInteger($input);
} elseif ($this->allowDouble && is_float($input)) {
$cast = BigNumbers\Decimal::fromFloat($input);
}
if ($cast !== $input) {
$ctx->setChange(Change::Internal);
}
$output = $cast;
} catch (\Exception $ex) {
$ctx->addReason($this, ['id' => 'decimal.invalid']);
goto done;
}
// must cast before this so we can cast to null
if ($output === null) {
goto done;
}
type:
if (!$output instanceof BigNumbers\Decimal) {
$ctx->addReason($this, ['id' => 'decimal.invalid']);
goto done;
}
scale:
if ($this->scale !== null) {
if (preg_match('/\\.([0-9]+)$/', $output . '', $match)) {
$inScale = strlen($match[1]);
if ($inScale > $this->scale) {
$ctx->addReason($this, ['id' => 'decimal.scale', 'params' => ['scale' => $inScale, 'expected' => $this->scale]]);
}
}
}
precision:
if ($this->precision !== null) {
$digits = preg_replace("/[^0-9]/", '', $output . '');
$inPrecision = strlen($digits);
if ($inPrecision > $this->precision) {
$ctx->addReason($this, ['id' => 'decimal.precision', 'params' => ['precision' => $inPrecision, 'expected' => $this->precision]]);
}
}
minmax:
$min = $this->min !== null ? BigNumbers\Decimal::create($this->min) : null;
$max = $this->max !== null ? BigNumbers\Decimal::create($this->max) : null;
if ($min !== null && $max !== null) {
if ($output->comp($min) < 0 || $output->comp($max) > 0) {
$ctx->addReason($this, ['id' => 'decimal.between', 'params' => ['atLeast' => $min . '', 'atMost' => $max . '']]);
}
} elseif ($min !== null) {
if ($output->comp($min) < 0) {
$ctx->addReason($this, ['id' => 'decimal.atLeast', 'params' => ['atLeast' => $min . '']]);
}
} elseif ($max !== null) {
if ($output->comp($max) > 0) {
$ctx->addReason($this, ['id' => 'decimal.atMost', 'params' => ['atMost' => $max . '']]);
}
}
divisibleBy:
if ($this->divisibleBy !== null) {
$divisibleBy = !$this->divisibleBy instanceof BigNumbers\Decimal ? BigNumbers\Decimal::create($this->divisibleBy) : $this->divisibleBy;
if (!$output->mod($divisibleBy)->isZero()) {
$dvFmt = $this->removeTrailingZeroes($divisibleBy);
$ctx->addReason($this, ['id' => 'decimal.divisibleBy', 'params' => ['divisibleBy' => $dvFmt]]);
}
}
done:
if ($this->emitString && $output instanceof BigNumbers\Decimal) {
$output = $output->innerValue();
if (!is_string($input)) {
$ctx->setChange(Change::Internal);
}
}
return $output;
}
public function testNegativeWithNegativeExponent()
{
$nFive = Decimal::fromInteger(-5);
$this->assertTrue($nFive->pow(Decimal::fromInteger(-1))->equals(Decimal::fromString("-0.2")), "The answer must be -0.2, but was " . $nFive->pow(Decimal::fromInteger(-1)));
$this->assertTrue($nFive->pow(Decimal::fromInteger(-2))->equals(Decimal::fromString("0.04")));
$this->assertTrue($nFive->pow(Decimal::fromInteger(-3))->equals(Decimal::fromString("-0.008")));
}
public function testCreateFromDecimal()
{
$this->assertTrue(Decimal::create(Decimal::fromString('345.76'), 1)->equals(Decimal::fromString('345.8')));
$this->assertTrue(Decimal::create(Decimal::fromString('345.76'), 2)->equals(Decimal::fromString('345.76')));
}
/**
* @expectedException \InvalidArgumentException
* @expectedExceptionMessage $scale must be a positive integer
*/
public function testConstructorNotIntegerScaleValidation()
{
Decimal::fromString("25", "hola mundo");
}
