Prepare will prepare all math expressions
()
| 73 | |
| 74 | // Prepare will prepare all math expressions |
| 75 | func (m *Math) Prepare() error { |
| 76 | var err error |
| 77 | m.mExpr, err = prepareExpression(m.M) |
| 78 | if err != nil { |
| 79 | return fmt.Errorf("evaluating M: %w", err) |
| 80 | } |
| 81 | m.wExpr, err = prepareExpression(m.W) |
| 82 | if err != nil { |
| 83 | return fmt.Errorf("evaluating W: %w", err) |
| 84 | } |
| 85 | m.driftExpr, err = prepareExpression(m.Drift) |
| 86 | if err != nil { |
| 87 | return fmt.Errorf("evaluating Drift: %w", err) |
| 88 | } |
| 89 | return nil |
| 90 | } |
| 91 | |
| 92 | func mean(input []float64) float64 { |
| 93 | s := welford.New() |