@langchain/core
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Core LangChain.js abstractions and schemas
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{"version":3,"file":"similarities.cjs","names":[],"sources":["../../../src/utils/ml-distance/similarities.ts"],"sourcesContent":["/**\n * Returns the average of cosine distances between vectors a and b\n * @param a - first vector\n * @param b - second vector\n *\n */\nexport function cosine(a: number[], b: number[]): number {\n let p = 0;\n let p2 = 0;\n let q2 = 0;\n for (let i = 0; i < a.length; i++) {\n p += a[i] * b[i];\n p2 += a[i] * a[i];\n q2 += b[i] * b[i];\n }\n return p / (Math.sqrt(p2) * Math.sqrt(q2));\n}\n"],"mappings":";;;;;;;AAMA,SAAgB,OAAO,GAAa,GAAqB;CACvD,IAAI,IAAI;CACR,IAAI,KAAK;CACT,IAAI,KAAK;CACT,KAAK,IAAI,IAAI,GAAG,IAAI,EAAE,QAAQ,KAAK;EACjC,KAAK,EAAE,KAAK,EAAE;EACd,MAAM,EAAE,KAAK,EAAE;EACf,MAAM,EAAE,KAAK,EAAE;CACjB;CACA,OAAO,KAAK,KAAK,KAAK,EAAE,IAAI,KAAK,KAAK,EAAE;AAC1C"}