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@fimbul-works/vec

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A comprehensive TypeScript vector math library providing 2D, 3D, and 4D vector operations with a focus on performance and type safety.

github.com/fimbul-works/vec

fimbul-works/vec

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/** * Checks if two 4D vectors are approximately equal within epsilon. * @param {ArrayVector4D} xyzw1 - First vector as `[x, y, z, w]` * @param {ArrayVector4D} xyzw2 - Second vector as `[x, y, z, w]` * @param {number} epsilon - Maximum difference (default: `Number.EPSILON`) * @returns {boolean} `true` if vectors are approximately equal, `false` otherwise */ export const isEqualApprox4D = (xyzw1, xyzw2, epsilon = Number.EPSILON) => Math.abs(xyzw1[0] - xyzw2[0]) <= epsilon && Math.abs(xyzw1[1] - xyzw2[1]) <= epsilon && Math.abs(xyzw1[2] - xyzw2[2]) <= epsilon && Math.abs(xyzw1[3] - xyzw2[3]) <= epsilon;