public function testAbs() { $this->assertTrue(CMathi::abs(-1234) === 1234); $this->assertTrue(CMathi::abs(5678) === 5678); $this->assertTrue(CMathi::abs(-1234.01) === 1234); $this->assertTrue(CMathi::abs(5678.01) === 5678); }
protected static function shiftTimeInTimeZone(CTime $time, $timeUnit, $quantity, $timeZone) { $units; switch ($timeUnit) { case self::SECOND: $units = "seconds"; break; case self::MINUTE: $units = "minutes"; break; case self::HOUR: $units = "hours"; break; case self::DAY: $units = "days"; break; case self::WEEK: $units = "weeks"; break; case self::MONTH: $units = "months"; break; case self::YEAR: $units = "years"; break; default: assert('false', vs(isset($this), get_defined_vars())); break; } $dt = new DateTime(); $dt->setTimestamp($time->UTime()); $dt->setTimezone(is_cstring($timeZone) ? new DateTimeZone($timeZone) : $timeZone->DTimeZone()); $sign = $quantity < 0 ? "-" : "+"; $absQty = CString::fromInt(CMathi::abs($quantity)); $dt->modify("{$sign}{$absQty} {$units}"); $UTime = $dt->getTimestamp(); $MTime = $time->MTime(); if ($UTime != 0 && $MTime != 0 && CMathi::sign($UTime) != CMathi::sign($MTime)) { if ($UTime < 0) { // $MTime > 0 $UTime++; $MTime -= 1000; } else { // $MTime < 0 $UTime--; $MTime += 1000; } } return new self($UTime, $MTime); }