Function fast 

pub fn fast() -> OptimizationConfig

Fast configuration optimized for development and testing.

Characteristics:

• Maximum iterations: 1,000
• Convergence tolerance: 1e-6
• Balanced speed and accuracy
• Good convergence for most market conditions

Use Cases:

• Development and prototyping
• Integration testing
• Quick market analysis

Example

use surface_lib::default_configs;

let config = default_configs::fast();
// Use for development...