3 lines
5.1 KiB
JavaScript
3 lines
5.1 KiB
JavaScript
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function n(n){return n>=0?n:-n}function t(n){if("number"==typeof n&&(n=BigInt(n)),1n===n)return 1;let t=1;do{t++}while((n>>=1n)>1n);return t}function r(n,t){if("number"==typeof n&&(n=BigInt(n)),"number"==typeof t&&(t=BigInt(t)),n<=0n||t<=0n)throw new RangeError("a and b MUST be > 0");let r=0n,e=1n,o=1n,u=0n;for(;0n!==n;){const i=t/n,f=t%n,g=r-o*i,b=e-u*i;t=n,n=f,r=o,e=u,o=g,u=b}return{g:t,x:r,y:e}}function e(t,r){let e="number"==typeof t?BigInt(n(t)):n(t),o="number"==typeof r?BigInt(n(r)):n(r);if(0n===e)return o;if(0n===o)return e;let u=0n;for(;0n===(1n&(e|o));)e>>=1n,o>>=1n,u++;for(;0n===(1n&e);)e>>=1n;do{for(;0n===(1n&o);)o>>=1n;if(e>o){const n=e;e=o,o=n}o-=e}while(0n!==o);return e<<u}function o(t,r){return"number"==typeof t&&(t=BigInt(t)),"number"==typeof r&&(r=BigInt(r)),0n===t&&0n===r?BigInt(0):n(t/e(t,r)*r)}function u(n,t){return n>=t?n:t}function i(n,t){return n>=t?t:n}function f(n,t){if("number"==typeof n&&(n=BigInt(n)),"number"==typeof t&&(t=BigInt(t)),t<=0n)throw new RangeError("n must be > 0");const r=n%t;return r<0n?r+t:r}function g(n,t){const e=r(f(n,t),t);if(1n!==e.g)throw new RangeError(`${n.toString()} does not have inverse modulo ${t.toString()}`);return f(e.x,t)}function b(t,r,e){if("number"==typeof t&&(t=BigInt(t)),"number"==typeof r&&(r=BigInt(r)),"number"==typeof e&&(e=BigInt(e)),e<=0n)throw new RangeError("n must be > 0");if(1n===e)return 0n;if(t=f(t,e),r<0n)return g(b(t,n(r),e),e);let o=1n;for(;r>0;)r%2n===1n&&(o=o*t%e),r/=2n,t=t**2n%e;return o}export{n as abs,t as bitLength,r as eGcd,e as gcd,o as lcm,u as max,i as min,g as modInv,b as modPow,f as toZn};
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