程序包 ohos.agp.render.opengl

类 Utils

java.lang.Object

ohos.agp.render.opengl.Utils

public class Utils
extends Object

A utility class that provides methods for comparing floating-point numbers.

从以下版本开始:

3

字段概要

字段

限定符和类型	字段	说明
static float	EPSILON	Indicates the epsilon used for comparing floating-point numbers.

构造器概要

构造器

构造器	说明
Utils()

方法概要

限定符和类型	方法	说明
static boolean	greatNotEqual(float left, float right)	Checks whether the left-hand-side floating-point number is greater than the right-hand-side floating-point number.
static boolean	greatOrEqual(float left, float right)	Checks whether the left-hand-side floating-point number is greater than or equal to the right-hand-side floating-point number based on the default epsilon.
static boolean	lessNotEqual(float left, float right)	Checks whether the left-hand-side floating-point number is less than the right-hand-side floating-point number.
static boolean	lessOrEqual(float left, float right)	Checks whether the left-hand-side floating-point number is less than or equal to the right-hand-side floating-point number based on the default epsilon.
static boolean	nearEqual(float left, float right)	Checks whether two floating-point numbers are almost equal based on the default epsilon.
static boolean	nearEqual(float left, float right, float epsilon)	Checks whether two floating-point numbers are almost equal based on the specified epsilon.
static boolean	nearZero(float left)	Checks whether a floating-point number approximates to zero based on the default epsilon.
static boolean	nearZero(float value, float epsilon)	Checks whether a floating-point number approximates to zero based on the specified epsilon.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

EPSILON

public static final float EPSILON

Indicates the epsilon used for comparing floating-point numbers.

从以下版本开始:

3

另请参阅:

常量字段值

构造器详细资料

Utils

public Utils()

方法详细资料

nearEqual

public static boolean nearEqual(float left,
                                float right,
                                float epsilon)

Checks whether two floating-point numbers are almost equal based on the specified epsilon.

参数:

left - Indicates the left-hand-side floating-point number to compare.

right - Indicates the right-hand-side floating-point number to compare.

epsilon - Indicates the epsilon for comparing the two floating-point numbers.

返回:

Returns true if the two floating-point numbers are almost equal; returns false otherwise.

从以下版本开始:

3

nearZero

public static boolean nearZero(float value,
                               float epsilon)

Checks whether a floating-point number approximates to zero based on the specified epsilon.

参数:

value - Indicates the floating-point number to check.

epsilon - Indicates the epsilon for checking the floating-point number.

返回:

Returns true if the floating-point number approximates to zero; returns false otherwise.

从以下版本开始:

3

nearEqual

public static boolean nearEqual(float left,
                                float right)

Checks whether two floating-point numbers are almost equal based on the default epsilon. The default epsilon is 10^(-6).

参数:

left - Indicates the left-hand-side floating-point number to compare.

right - Indicates the right-hand-side floating-point number to compare.

返回:

Returns true if the two floating-point numbers are almost equal; returns false otherwise.

从以下版本开始:

3

nearZero

public static boolean nearZero(float left)

Checks whether a floating-point number approximates to zero based on the default epsilon. The default epsilon is 10^(-6).

参数:

left - Indicates the floating-point number to check.

返回:

Returns true if the floating-point number approximates to zero; returns false otherwise.

从以下版本开始:

3

lessOrEqual

public static boolean lessOrEqual(float left,
                                  float right)

Checks whether the left-hand-side floating-point number is less than or equal to the right-hand-side floating-point number based on the default epsilon. The default epsilon is 10^(-6).

参数:

left - Indicates the left-hand-side floating-point number to compare.

right - Indicates the right-hand-side floating-point number to compare.

返回:

Returns true if the left-hand-side floating-point number is less than or equal to the right-hand-side floating-point number; returns false otherwise.

从以下版本开始:

3

lessNotEqual

public static boolean lessNotEqual(float left,
                                   float right)

Checks whether the left-hand-side floating-point number is less than the right-hand-side floating-point number.

参数:

left - Indicates the left-hand-side floating-point number to compare.

right - Indicates the right-hand-side floating-point number to compare.

返回:

Returns true if the left-hand-side floating-point number is less than the right-hand-side floating-point number; returns false otherwise.

从以下版本开始:

3

greatOrEqual

public static boolean greatOrEqual(float left,
                                   float right)

Checks whether the left-hand-side floating-point number is greater than or equal to the right-hand-side floating-point number based on the default epsilon. The default epsilon is 10^(-6).

参数:

left - Indicates the left-hand-side floating-point number to compare.

right - Indicates the right-hand-side floating-point number to compare.

返回:

Returns true if the left-hand-side floating-point number is greater than or equal to the right-hand-side floating-point number; returns false otherwise.

从以下版本开始:

3

greatNotEqual

public static boolean greatNotEqual(float left,
                                    float right)

Checks whether the left-hand-side floating-point number is greater than the right-hand-side floating-point number.

参数:

left - Indicates the left-hand-side floating-point number to compare.

right - Indicates the right-hand-side floating-point number to compare.

返回:

Returns true if the left-hand-side floating-point number is greater than the right-hand-side floating-point number; returns false otherwise.

从以下版本开始:

3