diff options
Diffstat (limited to 'src/PatternFinder.kt')
| -rw-r--r-- | src/PatternFinder.kt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/PatternFinder.kt b/src/PatternFinder.kt index bbab9ae..fb660f5 100644 --- a/src/PatternFinder.kt +++ b/src/PatternFinder.kt @@ -33,7 +33,7 @@ private fun findFormula(numbers: List<Double>): String { increment = differences[0] // Start-value - val nAsExponent = nAsExponent(differences) + val nAsExponent = nAsExponent(differences, numbers) val startValueDifference = when { incrementsByDifference -> differences[0] // xn nAsExponent -> getBase(differences) // x^n @@ -45,7 +45,7 @@ private fun findFormula(numbers: List<Double>): String { // Exponents var base = "n" var exponent = "" - if (nAsExponent(differences)) { + if (nAsExponent(differences, numbers)) { base = getBase(differences).cleanRedundancy() + "^" exponent = "n" } else if (!incrementsByDifference) { @@ -113,7 +113,7 @@ private fun getExponent(secondNumber: Double, startValue: Double): Double { return Math.log(secondNumber - startValue) / Math.log(2.0) } -private fun nAsExponent(differences: List<Double>): Boolean { +private fun nAsExponent(differences: List<Double>, numbers: List<Double>): Boolean { val base = getBase(differences) - return base == differences[0] / (differences[0] / base) + return Math.log(numbers[1] - (base - 1)) / Math.log(base) == 2.0 }
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