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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.lang   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    java.lang.StrictMath StrictMath final public class StrictMath (Code) Class StrictMath provides various numeric operations using the standards set by the known "Freely Distributable Math Library" (fdlibm). The standard is set by the January 4th, 1995 version of the library. Field Summary final public static  double E      final public static  double PI      Method Summary native public static  double IEEEremainder(double d1, double d2)      Answers the remainder of dividing the first argument by the second using the IEEE 754 rules. public static  double abs(double d)      Answers the absolute value of the argument. public static  float abs(float f)      Answers the absolute value of the argument. public static  int abs(int i)      Answers the absolute value of the argument. public static  long abs(long l)      Answers the absolute value of the argument. native public static  double acos(double d)      native public static  double asin(double d)      native public static  double atan(double d)      native public static  double atan2(double d1, double d2)      Answers the closest double approximation of the arc tangent of the result of dividing the first argument by the second argument. native public static  double cbrt(double d)      Answers the closest double approximation of the cube root of the argument. native public static  double ceil(double d)      Answers the double conversion of the most negative (i.e. native public static  double cos(double d)      native public static  double cosh(double d)      Answers the closest double approximation of the hyperbolic cosine of the argument. native public static  double exp(double d)      native public static  double expm1(double d)      Answers the closest double approximation of ed - 1. native public static  double floor(double d)      Answers the double conversion of the most positive (i.e. native public static  double hypot(double x, double y)      Answers sqrt(x2+y2). native public static  double log(double d)      native public static  double log10(double d)      Answers the logarithm of the argument and the base is 10. native public static  double log1p(double d)      Answers the closest double approximation of the natural logarithm of the sum of the argument and 1. public static  double max(double d1, double d2)      Answers the most positive (i.e. public static  float max(float f1, float f2)      Answers the most positive (i.e. public static  int max(int i1, int i2)      Answers the most positive (i.e. public static  long max(long l1, long l2)      Answers the most positive (i.e. public static  double min(double d1, double d2)      Answers the most negative (i.e. public static  float min(float f1, float f2)      Answers the most negative (i.e. public static  int min(int i1, int i2)      Answers the most negative (i.e. public static  long min(long l1, long l2)      Answers the most negative (i.e. native public static  double pow(double d1, double d2)      Answers the closest double approximation of the result of raising the first argument to the power of the second. Parameters:   d1 - the base of the operation. Parameters:   d2 - the exponent of the operation. public static  double random()      Returns a pseudo-random number between 0.0 and 1.0. native public static  double rint(double d)      Answers the double conversion of the result of rounding the argument to an integer. public static  long round(double d)      Answers the result of rounding the argument to an integer. public static  int round(float f)      Answers the result of rounding the argument to an integer. public static  double signum(double d)      Answers the signum function of the argument. public static  float signum(float f)      Answers the signum function of the argument. native public static  double sin(double d)      native public static  double sinh(double d)      Answers the closest double approximation of the hyperbolic sine of the argument. native public static  double sqrt(double d)      native public static  double tan(double d)      native public static  double tanh(double d)      Answers the closest double approximation of the hyperbolic tangent of the argument. public static  double toDegrees(double angrad)      public static  double toRadians(double angdeg)      public static  double ulp(double d)      Answers the argument's ulp. public static  float ulp(float f)      Answers the argument's ulp. Field Detail E final public static double E(Code) Standard math constant PI final public static double PI(Code) Standard math constant Method Detail IEEEremainder native public static double IEEEremainder(double d1, double d2)(Code) Answers the remainder of dividing the first argument by the second using the IEEE 754 rules. Parameters:   d1 - the numerator of the operation Parameters:   d2 - the denominator of the operation the result of d1/d2. abs public static double abs(double d)(Code) Answers the absolute value of the argument. Parameters:   d - the value to be converted the argument if it is positive, otherwise the negation of theargument. abs public static float abs(float f)(Code) Answers the absolute value of the argument. Parameters:   f - the value to be converted the argument if it is positive, otherwise the negation of theargument. abs public static int abs(int i)(Code) Answers the absolute value of the argument. Parameters:   i - the value to be converted the argument if it is positive, otherwise the negation of theargument. abs public static long abs(long l)(Code) Answers the absolute value of the argument. Parameters:   l - the value to be converted the argument if it is positive, otherwise the negation of theargument. acos native public static double acos(double d)(Code) Answers the closest double approximation of the arc cosine of the argument Parameters:   d - the value to compute acos of the arc cosine of the argument. asin native public static double asin(double d)(Code) Answers the closest double approximation of the arc sine of the argument Parameters:   d - the value to compute asin of the arc sine of the argument. atan native public static double atan(double d)(Code) Answers the closest double approximation of the arc tangent of the argument Parameters:   d - the value to compute atan of the arc tangent of the argument. atan2 native public static double atan2(double d1, double d2)(Code) Answers the closest double approximation of the arc tangent of the result of dividing the first argument by the second argument. Parameters:   d1 - the numerator of the value to compute atan of Parameters:   d2 - the denominator of the value to compute atan of the arc tangent of d1/d2. cbrt native public static double cbrt(double d)(Code) Answers the closest double approximation of the cube root of the argument. Parameters:   d - the value to compute cube root of the cube root of the argument. ceil native public static double ceil(double d)(Code) Answers the double conversion of the most negative (i.e. closest to negative infinity) integer value which is greater than the argument. Parameters:   d - the value to be converted the ceiling of the argument. cos native public static double cos(double d)(Code) Answers the closest double approximation of the cosine of the argument Parameters:   d - the value to compute cos of the cosine of the argument. cosh native public static double cosh(double d)(Code) Answers the closest double approximation of the hyperbolic cosine of the argument. Parameters:   d - the value to compute hyperbolic cosine of the hyperbolic cosine of the argument. exp native public static double exp(double d)(Code) Answers the closest double approximation of the raising "e" to the power of the argument Parameters:   d - the value to compute the exponential of the exponential of the argument. expm1 native public static double expm1(double d)(Code) Answers the closest double approximation of ed - 1. If the argument is very close to 0, it is much more accurate to use expm1(d)+1 than exp(d). Parameters:   d - the value to compute the ed - 1 of the ed - 1 value of the argument. floor native public static double floor(double d)(Code) Answers the double conversion of the most positive (i.e. closest to positive infinity) integer value which is less than the argument. Parameters:   d - the value to be converted the ceiling of the argument. hypot native public static double hypot(double x, double y)(Code) Answers sqrt(x2+y2). The final result is without medium underflow or overflow. Parameters:   x - a double number Parameters:   y - a double number the sqrt(x2+y2) valueof the arguments. log native public static double log(double d)(Code) Answers the closest double approximation of the natural logarithm of the argument Parameters:   d - the value to compute the log of the natural logarithm of the argument. log10 native public static double log10(double d)(Code) Answers the logarithm of the argument and the base is 10. Parameters:   d - the value to compute the base 10 log of the base 10 logarithm of the argument. log1p native public static double log1p(double d)(Code) Answers the closest double approximation of the natural logarithm of the sum of the argument and 1. If the argument is very close to 0, it is much more accurate to use log1p(d) than log(1.0+d). Parameters:   d - the value to compute the ln(1+d) of the natural logarithm of the sum of the argument and 1. max public static double max(double d1, double d2)(Code) Answers the most positive (i.e. closest to positive infinity) of the two arguments. Parameters:   d1 - the first argument to check Parameters:   d2 - the second argument the larger of d1 and d2. max public static float max(float f1, float f2)(Code) Answers the most positive (i.e. closest to positive infinity) of the two arguments. Parameters:   f1 - the first argument to check Parameters:   f2 - the second argument the larger of f1 and f2. max public static int max(int i1, int i2)(Code) Answers the most positive (i.e. closest to positive infinity) of the two arguments. Parameters:   i1 - the first argument to check Parameters:   i2 - the second argument the larger of i1 and i2. max public static long max(long l1, long l2)(Code) Answers the most positive (i.e. closest to positive infinity) of the two arguments. Parameters:   l1 - the first argument to check Parameters:   l2 - the second argument the larger of l1 and l2. min public static double min(double d1, double d2)(Code) Answers the most negative (i.e. closest to negative infinity) of the two arguments. Parameters:   d1 - the first argument to check Parameters:   d2 - the second argument the smaller of d1 and d2. min public static float min(float f1, float f2)(Code) Answers the most negative (i.e. closest to negative infinity) of the two arguments. Parameters:   f1 - the first argument to check Parameters:   f2 - the second argument the smaller of f1 and f2. min public static int min(int i1, int i2)(Code) Answers the most negative (i.e. closest to negative infinity) of the two arguments. Parameters:   i1 - the first argument to check Parameters:   i2 - the second argument the smaller of i1 and i2. min public static long min(long l1, long l2)(Code) Answers the most negative (i.e. closest to negative infinity) of the two arguments. Parameters:   l1 - the first argument to check Parameters:   l2 - the second argument the smaller of l1 and l2. pow native public static double pow(double d1, double d2)(Code) Answers the closest double approximation of the result of raising the first argument to the power of the second. Parameters:   d1 - the base of the operation. Parameters:   d2 - the exponent of the operation. d1 to the power of d2 random public static double random()(Code) Returns a pseudo-random number between 0.0 and 1.0. a pseudo-random number rint native public static double rint(double d)(Code) Answers the double conversion of the result of rounding the argument to an integer. Parameters:   d - the value to be converted the closest integer to the argument (as a double). round public static long round(double d)(Code) Answers the result of rounding the argument to an integer. Parameters:   d - the value to be converted the closest integer to the argument. round public static int round(float f)(Code) Answers the result of rounding the argument to an integer. Parameters:   f - the value to be converted the closest integer to the argument. signum public static double signum(double d)(Code) Answers the signum function of the argument. If the argument is less than zero, it answers -1.0. If greater than zero, 1.0 is returned. It returns zero if the argument is also zero. Parameters:   d - the value to compute signum function of the value of the signum function. signum public static float signum(float f)(Code) Answers the signum function of the argument. If the argument is less than zero, it answers -1.0. If greater than zero, 1.0 is returned. It returns zero if the argument is also zero. Parameters:   f - the value to compute signum function of the value of the signum function. sin native public static double sin(double d)(Code) Answers the closest double approximation of the sine of the argument Parameters:   d - the value to compute sin of the sine of the argument. sinh native public static double sinh(double d)(Code) Answers the closest double approximation of the hyperbolic sine of the argument. Parameters:   d - the value to compute hyperbolic sine of the hyperbolic sine of the argument. sqrt native public static double sqrt(double d)(Code) Answers the closest double approximation of the square root of the argument Parameters:   d - the value to compute sqrt of the square root of the argument. tan native public static double tan(double d)(Code) Answers the closest double approximation of the tangent of the argument Parameters:   d - the value to compute tan of the tangent of the argument. tanh native public static double tanh(double d)(Code) Answers the closest double approximation of the hyperbolic tangent of the argument. The absolute value is always less than 1. Parameters:   d - the value to compute hyperbolic tangent of the hyperbolic tangent of the argument. toDegrees public static double toDegrees(double angrad)(Code) Returns the measure in degrees of the supplied radian angle Parameters:   angrad - an angle in radians the degree measure of the angle. toRadians public static double toRadians(double angdeg)(Code) Returns the measure in radians of the supplied degree angle Parameters:   angdeg - an angle in degrees the radian measure of the angle. ulp public static double ulp(double d)(Code) Answers the argument's ulp. The size of a ulp of a double value is the positive distance between this value and the double value next larger in magnitude. For non-NaN x, ulp(-x) == ulp(x). Parameters:   d - the floating-point value to compute ulp of the size of a ulp of the argument. ulp public static float ulp(float f)(Code) Answers the argument's ulp. The size of a ulp of a float value is the positive distance between this value and the float value next larger in magnitude. For non-NaN x, ulp(-x) == ulp(x). Parameters:   f - the floating-point value to compute ulp of the size of a ulp of the argument. Methods inherited from java.lang.Object protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object object)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final public Class<? extends Object> getClass()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) final public void notify()(Code)(Java Doc) final public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait(long millis) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)