Given a 1-D array of periodic simple returns, return (max_dd, peak_idx, trough_idx):

• build the equity curve cumprod(1 + r)
• max_dd is the most negative value of equity / running_max - 1
• peak_idx and trough_idx locate that drawdown's peak and trough

Input

[ 0.1  -0.2  -0.1   0.05  0.3 ]

Output

(-0.2799999999999999, 0, 2)