本文整理了Java中java.lang.Math.abs()方法的一些代码示例，展示了Math.abs()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Math.abs()方法的具体详情如下：
包路径：java.lang.Math
类名称：Math
方法名：abs
[英]Returns the absolute value of the argument.
Special cases:
代码示例来源：origin: libgdx/libgdx
@Override
public boolean epsilonEquals (final Vector3 other, float epsilon) {
if (other == null) return false;
if (Math.abs(other.x - x) > epsilon) return false;
if (Math.abs(other.y - y) > epsilon) return false;
if (Math.abs(other.z - z) > epsilon) return false;
return true;
}代码示例来源：origin: libgdx/libgdx
/** Returns true if the value is zero.
* @param tolerance represent an upper bound below which the value is considered zero. */
static public boolean isZero (float value, float tolerance) {
return Math.abs(value) <= tolerance;
}代码示例来源：origin: libgdx/libgdx
/** Returns true if a is nearly equal to b. The function uses the default floating error tolerance.
* @param a the first value.
* @param b the second value. */
static public boolean isEqual (float a, float b) {
return Math.abs(a - b) <= FLOAT_ROUNDING_ERROR;
}代码示例来源：origin: libgdx/libgdx
/** Returns true if a is nearly equal to b.
* @param a the first value.
* @param b the second value.
* @param tolerance represent an upper bound below which the two values are considered equal. */
static public boolean isEqual (float a, float b, float tolerance) {
return Math.abs(a - b) <= tolerance;
}代码示例来源：origin: netty/netty
@Override
public EventExecutor next() {
return executors[Math.abs(idx.getAndIncrement() % executors.length)];
}
}代码示例来源：origin: libgdx/libgdx
/** Returns the distance between the given line and point. Note the specified line is not a line segment. */
public static float distanceLinePoint (float startX, float startY, float endX, float endY, float pointX, float pointY) {
float normalLength = (float)Math.sqrt((endX - startX) * (endX - startX) + (endY - startY) * (endY - startY));
return Math.abs((pointX - startX) * (endY - startY) - (pointY - startY) * (endX - startX)) / normalLength;
}代码示例来源：origin: spring-projects/spring-framework
public String getServerId() {
if (this.serverId == null) {
this.serverId = String.valueOf(Math.abs(getUuid().getMostSignificantBits()) % 1000);
}
return this.serverId;
}代码示例来源：origin: spring-projects/spring-framework
public float abs(float value) {
return Math.abs(value);
}
}代码示例来源：origin: spring-projects/spring-framework
public int abs(int value) {
return Math.abs(value);
}代码示例来源：origin: ReactiveX/RxJava
private static int randomIntFrom0to(int max) {
// XORShift instead of Math.random http://javamex.com/tutorials/random_numbers/xorshift.shtml
long x = System.nanoTime();
x ^= (x << 21);
x ^= (x >>> 35);
x ^= (x << 4);
return Math.abs((int) x % max);
}代码示例来源：origin: ReactiveX/RxJava
private static int randomIntFrom0to100() {
// XORShift instead of Math.random http://javamex.com/tutorials/random_numbers/xorshift.shtml
long x = System.nanoTime();
x ^= (x << 21);
x ^= (x >>> 35);
x ^= (x << 4);
return Math.abs((int) x % 100);
}代码示例来源：origin: ReactiveX/RxJava
private static int randomIntFrom0to(int max) {
// XORShift instead of Math.random http://javamex.com/tutorials/random_numbers/xorshift.shtml
long x = System.nanoTime();
x ^= (x << 21);
x ^= (x >>> 35);
x ^= (x << 4);
return Math.abs((int) x % max);
}代码示例来源：origin: ReactiveX/RxJava
private static int randomIntFrom0to100() {
// XORShift instead of Math.random http://javamex.com/tutorials/random_numbers/xorshift.shtml
long x = System.nanoTime();
x ^= (x << 21);
x ^= (x >>> 35);
x ^= (x << 4);
return Math.abs((int) x % 100);
}代码示例来源：origin: libgdx/libgdx
/** Creates a sprite with width, height, and texture region equal to the specified size.
* @param srcWidth The width of the texture region. May be negative to flip the sprite when drawn.
* @param srcHeight The height of the texture region. May be negative to flip the sprite when drawn. */
public Sprite (Texture texture, int srcX, int srcY, int srcWidth, int srcHeight) {
if (texture == null) throw new IllegalArgumentException("texture cannot be null.");
this.texture = texture;
setRegion(srcX, srcY, srcWidth, srcHeight);
setColor(1, 1, 1, 1);
setSize(Math.abs(srcWidth), Math.abs(srcHeight));
setOrigin(width / 2, height / 2);
}代码示例来源：origin: spring-projects/spring-framework
public void captureFloatArgument(JoinPoint tjp, float arg) {
float tjpArg = ((Float) tjp.getArgs()[0]).floatValue();
if (Math.abs(tjpArg - arg) > 0.000001) {
throw new IllegalStateException(
"argument is '" + arg + "', " +
"but args array has '" + tjpArg + "'"
);
}
this.lastBeforeFloatValue = arg;
}代码示例来源：origin: spring-projects/spring-framework
private static void assertApproximateDifference(Date lesser, Date greater, long expected) {
long diff = greater.getTime() - lesser.getTime();
long variance = Math.abs(expected - diff);
assertTrue("expected approximate difference of " + expected +
", but actual difference was " + diff, variance < 100);
}代码示例来源：origin: spring-projects/spring-framework
private static void assertNegligibleDifference(Date d1, Date d2) {
long diff = Math.abs(d1.getTime() - d2.getTime());
assertTrue("difference exceeds threshold: " + diff, diff < 100);
}代码示例来源：origin: google/guava
public void testFuzzyEqualsFinite() {
for (double a : FINITE_DOUBLE_CANDIDATES) {
for (double b : FINITE_DOUBLE_CANDIDATES) {
for (double tolerance : FINITE_TOLERANCE_CANDIDATES) {
assertEquals(Math.abs(a - b) <= tolerance, DoubleMath.fuzzyEquals(a, b, tolerance));
}
}
}
}代码示例来源：origin: spring-projects/spring-framework
@Test
public void SPR9486_floatFunctionResolver() {
Number expectedResult = Math.abs(-10.2f);
ExpressionParser parser = new SpelExpressionParser();
SPR9486_FunctionsClass testObject = new SPR9486_FunctionsClass();
StandardEvaluationContext context = new StandardEvaluationContext();
Expression expression = parser.parseExpression("abs(-10.2f)");
Number result = expression.getValue(context, testObject, Number.class);
assertEquals(expectedResult, result);
}代码示例来源：origin: google/guava
@GwtIncompatible // #trueLog2, Math.ulp
public void testLog2Accuracy() {
for (double d : POSITIVE_FINITE_DOUBLE_CANDIDATES) {
double dmLog2 = DoubleMath.log2(d);
double trueLog2 = trueLog2(d);
assertTrue(Math.abs(dmLog2 - trueLog2) <= Math.ulp(trueLog2));
}
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