Method round

src/danfojs-base/shared/utils.ts:450–492

* Round elements of an array or array of arrays to specified dp * @param arr The Array to round * @param dp The number of dp to round to * @param isSeries Whether the array is of type Series or not

(arr: Array<number | number[]>, dp: number = 1, isSeries: boolean)

     * @param isSeries Whether the array is of type Series or not
     */
    round(arr: Array<number | number[]>, dp: number = 1, isSeries: boolean): ArrayType1D | ArrayType2D {
        if (dp < 0) {
            dp = 1;
        }

        if (isSeries) {
            const newArr = [];
            for (let i = 0; i < arr.length; i++) {
                const ele = arr[i];
                if (typeof ele == "number" && !isNaN(ele) && ele !== undefined && ele !== null) {
                    newArr.push(Number((ele).toFixed(dp)));
                } else {
                    newArr.push(ele)
                }
            }
            return newArr as ArrayType1D
        } else {
            const resultArr = [];
            for (let i = 0; i < arr.length; i++) {
                const innerVal = arr[i];
                const newArr: Array<number> = [];
                if (Array.isArray(innerVal)) {
                    for (let i = 0; i < innerVal.length; i++) {
                        const ele = innerVal[i];
                        if (typeof ele == "number" && !isNaN(ele) && ele !== undefined && ele !== null) {
                            newArr.push(Number((ele).toFixed(dp)));
                        } else {
                            newArr.push(ele)
                        }
                    }
                    resultArr.push(newArr);
                } else {
                    if (typeof innerVal == "number" && !isNaN(innerVal) && innerVal !== undefined && innerVal !== null) {
                        newArr.push(Number((innerVal).toFixed(dp)));
                    } else {
                        newArr.push(innerVal)
                    }
                }

            }
            return resultArr;
        }
    }

    /**
     * Checks if a func is a function