higlass
Version:
HiGlass Hi-C / genomic / large data viewer
38 lines (32 loc) • 773 B
JavaScript
const epsilon = 0.0000001;
/**
* Calculate the minimum non-zero value in the data
* @param {ArrayLike<number>} data - An array of values
* @returns {number} The minimum non-zero value in the array
*/
export default function minNonZero(data) {
/**
* Calculate the minimum non-zero value in the data
*
* Parameters
* ----------
* data: Float32Array
* An array of values
*
* Returns
* -------
* minNonZero: float
* The minimum non-zero value in the array
*/
let minNonZeroNum = Number.MAX_SAFE_INTEGER;
for (let i = 0; i < data.length; i++) {
const x = data[i];
if (x < epsilon && x > -epsilon) {
continue;
}
if (x < minNonZeroNum) {
minNonZeroNum = x;
}
}
return minNonZeroNum;
}