@woosh/meep-engine/src/core/math/linalg/polynomial_scale_into.js

Pure JavaScript game engine. Fully featured and production ready.

/**
 * Scales polynomial `target` in place by a scalar.
 *
 *   target(x) := scalar * target(x)
 *
 * Coefficient layout: index i is the coefficient of x^i (ascending). Only
 * the first `target_len` coefficients are touched.
 *
 * @param {number[]|Float64Array|Float32Array} target modified in place
 * @param {number} target_len number of coefficients to scale
 * @param {number} scalar
 */
export function polynomial_scale_into(target, target_len, scalar) {
    for (let i = 0; i < target_len; i++) {
        target[i] *= scalar;
    }
}