Example usage for java.lang Math floor

Introduction

In this page you can find the example usage for java.lang Math floor.

Prototype

public static double floor(double a)

Source Link

Document

Returns the largest (closest to positive infinity) double value that is less than or equal to the argument and is equal to a mathematical integer.

Usage

From source file:Main.java

/**
 *
 * @param d eot in hours//from  w w  w  .java 2  s .co  m
 * @return formatted string
 */
public final static String eotToString(double d) {
    int m = (int) Math.floor(Math.abs(d) * 60d);
    int s = (int) Math.round((3600d * Math.abs(d)) - (m * 60d));
    return ((d > 0 ? "+" : "-") + Integer.toString(m) + "m" + Integer.toString(s) + "s");
}

From source file:Main.java

public static String kgToLB_ForBodyScale(float paramFloat) {
    int i = (int) Math.floor(1.0F + (32768.0F + 144479.0F * (paramFloat * 10.0F)) / 65536.0F);
    if (i % 2 != 0) {
        i--;//from   ww w  .j  a  v a  2s . c  o m
    }
    DecimalFormat localDecimalFormat = new DecimalFormat();
    localDecimalFormat.setMaximumFractionDigits(1);
    localDecimalFormat.setGroupingSize(0);
    localDecimalFormat.setRoundingMode(RoundingMode.FLOOR);
    return localDecimalFormat.format(0.1D * i);
}

From source file:Main.java

public static double getOverDifference(Double startOvers, Double endOvers) {

    Double startOvers1 = Math.floor(startOvers);
    Double startOvers2 = startOvers - startOvers1;

    Double endOvers1 = Math.floor(endOvers);
    Double endOvers2 = endOvers - endOvers1;

    Double diff1 = startOvers1 - endOvers1;
    Double diff2 = startOvers2 - endOvers2;

    if (diff2 < 0) {
        diff1 -= 0.4; // for eg 12 becomes 11.6
    }//w w  w  .ja  v  a 2  s .c o m

    diff1 += diff2;

    return diff1;
}

From source file:Main.java

public static Double roundDouble(double val, int precision) {
    Double ret = null;/*w  w  w.j av  a2  s.  co  m*/
    try {
        double factor = Math.pow(10, precision);
        ret = Math.floor(val * factor + 0.5) / factor;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return ret;
}

From source file:Main.java

public static String fromSecondsToMMSS(int seconds) throws Exception {
    if (seconds > 3600)
        throw new Exception("more than an hour");

    int m = (int) Math.floor(seconds / 60);
    int s = seconds - (m * 60);

    String mm = m > 0 ? String.format("%2d", m) + ":" : "";
    String ss = m > 0 ? String.format("%02d", s) : String.format("%2d", s);

    return mm + ss;
}

From source file:Main.java

public static float round(final float value, final float share) {
    return (float) Math.floor(value * share) / share;
}

From source file:Main.java

/**
 * Converts a double to a value between 0 and 360
 * //from  w  w w. j av a  2 s.  c o  m
 * @param x
 * @return double in 0-360 range
 */
public static float floatrev(double x) {
    return (float) (x - Math.floor(x / 360.0f) * 360.0f);
}

From source file:Main.java

public static String transferAVG_RTT(String oldValue) {
    String newValue = oldValue;/* w  w w  . ja v a2s  . c om*/
    float ov = Float.valueOf(oldValue);
    newValue = String.valueOf(Math.floor(ov + 0.5));
    return newValue;
}

From source file:Main.java

public static int calcyseal(int bthyear) {

    int abs = (Math.abs(1965 - bthyear));
    y = abs / 4.00;/*from w  w  w .j  a  v a2 s . c  o m*/
    y = y - Math.floor(y);
    if (y > 0) {
        cont = calcyseal(bthyear + 1);
        return (cont + 1);
    } else
        return (1);
}

From source file:Main.java

/**
 * Rounds off downwards to the next distinct value.
 *
 * @param value The value to round off//from   w w w  .  j  a v a  2  s .co  m
 * @return The rounded value
 */
public static double getFloor(double value) {
    return Math.floor(value);
}