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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 a 4D vector has NaN components. * @param {ArrayVector4D} xyzw - Vector as `[x, y, z, w]` * @returns {boolean} `true` if vector has `NaN` components, `false` otherwise */ export const isNan4D = (xyzw) => Number.isNaN(xyzw[0]) || Number.isNaN(xyzw[1]) || Number.isNaN(xyzw[2]) || Number.isNaN(xyzw[3]);