name:
src/main/java/io/protobase/f7/formulas/math/ACOT.java
-rw-r--r--
967
1package io.protobase.f7.formulas.math;
2
3import io.protobase.f7.formulas.AbstractFormula;
4import io.protobase.f7.formulas.FormulaName;
5import io.protobase.f7.models.GridColumnRowKey;
6import io.protobase.f7.utils.Converters;
7
8import java.util.function.BiFunction;
9import java.util.function.Function;
10
11public class ACOT extends AbstractFormula {
12 public static FormulaName NAME = FormulaName.ACOT;
13 public static ACOT SELF = new ACOT();
14
15 public ACOT() {
16 super();
17 }
18
19 public ACOT(Function<Object, Object> lookup, BiFunction<GridColumnRowKey, Object, Object> collateralLookup) {
20 super(lookup, collateralLookup);
21 }
22
23 @Override
24 public Object internal(GridColumnRowKey origin, Object... values) {
25 checkLength(values.length, 1, NAME);
26 double divisor = Converters.toDouble(collateralLookup.apply(origin, Converters.first(values[0])));
27 if (divisor == 0 || divisor == -0) {
28 return 1.570796327;
29 }
30 return Math.atan(1 / divisor);
31 }
32}