inference-server/dist/lib/math.js

Libraries and server to build AI applications. Adapters to various native bindings allowing local inference. Integrate it with your application, or use as a microservice.

/**
 * Calculates the dot product of two vectors.
 * @param vecA - The first vector.
 * @param vecB - The second vector.
 * @returns The dot product of vecA and vecB.
 */
function dotProduct(vecA, vecB) {
    return vecA.reduce((sum, value, index) => sum + value * vecB[index], 0);
}
/**
 * Calculates the magnitude of a vector.
 * @param vec - The vector.
 * @returns The magnitude of the vector.
 */
function magnitude(vec) {
    return Math.sqrt(vec.reduce((sum, value) => sum + value * value, 0));
}
/**
 * Calculates the cosine similarity between two vectors.
 * @param vecA - The first vector.
 * @param vecB - The second vector.
 * @returns The cosine similarity between vecA and vecB.
 */
export function cosineSimilarity(vecA, vecB) {
    const dotProd = dotProduct(vecA, vecB);
    const magnitudeA = magnitude(vecA);
    const magnitudeB = magnitude(vecB);
    return dotProd / (magnitudeA * magnitudeB);
}
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