788f79c1bb
Fix: Return #NUM! if values and dates contain a different number of values Fix: Return #NUM! if there is not at least one positive cash flow and one negative cash flow Fix: Return #NUM! if any number in dates precedes the starting date Fix: Return #NUM! if a result that works cannot be found after max iteration tries Fix: Correct DocBlocks for XIRR & XNPV Add: Validate XIRR with unit tests Closes #1177
63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
<?php
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// result, message, values, dates, guess
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return [
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[
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'#NUM!',
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'If values and dates contain a different number of values, returns the #NUM! error value',
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[4000, -46000],
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['01/04/2015'],
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0.1
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],
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[
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'#NUM!',
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'Expects at least one positive cash flow and one negative cash flow; otherwise returns the #NUM! error value',
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[-4000, -46000],
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['01/04/2015', '2019-06-27'],
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0.1
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],
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[
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'#NUM!',
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'Expects at least one positive cash flow and one negative cash flow; otherwise returns the #NUM! error value',
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[4000, 46000],
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['01/04/2015', '2019-06-27'],
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0.1
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],
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[
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'#VALUE!',
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'If any number in dates is not a valid date, returns the #VALUE! error value',
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[4000, -46000],
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['01/04/2015', '2019X06-27'],
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0.1
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],
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[
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'#NUM!',
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'If any number in dates precedes the starting date, XIRR returns the #NUM! error value',
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[1893.67, 139947.43, 52573.25, 48849.74, 26369.16, -273029.18],
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['2019-06-27', '2019-06-20', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'],
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0.1
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],
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[
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0.137963527441025,
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'XIRR calculation #1 is incorrect',
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[139947.43, 1893.67, 52573.25, 48849.74, 26369.16, -273029.18],
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['2019-06-20', '2019-06-27', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'],
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0.1
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],
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[
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0.09999999,
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'XIRR calculation #2 is incorrect',
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[100.0, -110.0],
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['2019-06-12', '2020-06-11'],
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0.1
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],
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[
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'#NUM!',
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'Can\'t find a result that works after FINANCIAL_MAX_ITERATIONS tries, the #NUM! error value is returned',
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[139947.43, 1893.67, 52573.25, 48849.74, 26369.16, -273029.18],
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['2019-06-20', '2019-06-27', '2019-06-21', '2019-06-24', '2019-06-27', '2019-07-27'],
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0.00000
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],
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];
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