double-double/node/double-representation/bit-length.js

Pure double-double precision functions *with strict error bounds*.

import { getLowestSetBit, getHighestSetBit } from "./get-max-set-bit.js";
/**
 * Returns the bit-length of the significand of the given number in such a way
 * that trailing zeros are not counted.
 * @param a a double precision floating point number
 */
function bitLength(a) {
    if (a === 0) {
        return 0;
    }
    return getHighestSetBit(a) - getLowestSetBit(a) + 1;
}
export { bitLength };
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