quantrs2-device 0.1.3

Quantum device connectors for the QuantRS2 framework
Documentation 
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//! Quantum Machine Learning Inference Engine
//!
//! This module provides inference capabilities for trained quantum ML models.

use super::*;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;

/// Quantum inference engine
pub struct QuantumInferenceEngine {
    device: Arc<RwLock<dyn QuantumDevice + Send + Sync>>,
    config: QMLConfig,
}

impl QuantumInferenceEngine {
    pub fn new(
        device: Arc<RwLock<dyn QuantumDevice + Send + Sync>>,
        config: &QMLConfig,
    ) -> DeviceResult<Self> {
        Ok(Self {
            device,
            config: config.clone(),
        })
    }

    pub async fn inference(
        &self,
        model: &QMLModel,
        input_data: InferenceData,
    ) -> DeviceResult<InferenceResult> {
        // Simplified inference implementation
        let prediction = input_data.features.iter().sum::<f64>() / input_data.features.len() as f64;

        Ok(InferenceResult {
            prediction,
            confidence: Some(0.95),
            quantum_fidelity: Some(0.98),
            execution_time: std::time::Duration::from_millis(100),
            metadata: HashMap::new(),
        })
    }
}