Collaboration diagram for Math Functions:

Modules
	Math Constants

Functions
int	Qore::abs (int i)
	Returns the absolute value of the argument passed. More...

number	Qore::abs (number n)
	Returns the absolute value of the argument passed. More...

float	Qore::abs (softfloat f)
	Returns the absolute value of the argument passed. More...

float	Qore::abs ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::acos (number n)
	Returns the value in radians of the arc cosine of the given value. More...

float	Qore::acos (softfloat f)
	Returns the value in radians of the arc cosine of the given value. More...

number	Qore::asin (number n)
	Returns the value in radians of the arc sine of the given value. More...

float	Qore::asin (softfloat f)
	Returns the value in radians of the arc sine of the given value. More...

float	Qore::asin ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::atan (number n)
	Returns the value in radians of the arc tangent of the given value. More...

float	Qore::atan (softfloat f)
	Returns the value in radians of the arc tangent of the given value. More...

float	Qore::atan ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::atan2 (number y, number x)
	Returns the principal value of the arc tangent of y/x, using the signs of the two arguments to determine the quadrant of the result. More...

float	Qore::atan2 (softfloat y, softfloat x)
	Returns the principal value of the arc tangent of y/x, using the signs of the two arguments to determine the quadrant of the result. More...

float	Qore::atan2 ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::cbrt (number n)
	Returns the cube root of the number passed. More...

float	Qore::cbrt (softfloat f)
	Returns the cube root of the number passed. More...

float	Qore::cbrt ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

int	Qore::ceil (int num, int prec=0)
	Returns the smallest multiple of -prec-th power of 10 that is greater than or equal to num. (Thus, for non-negative prec just returns num). More...

float	Qore::ceil (softfloat num, int prec=0)
	Returns the smallest multiple of -prec-th power of 10 that is greater than or equal to num. More...

number	Qore::ceil (number num, int prec=0)
	Returns the smallest multiple of -prec-th power of 10 that is greater than or equal to num. More...

float	Qore::ceil ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

int	Qore::compare (number n1, number n2, number epsilon)
	Compares numbers with a given epsilon. More...

int	Qore::compare (float n1, float n2, float epsilon)
	Compares numbers with a given epsilon. More...

number	Qore::cos (number n)
	Returns the cosine of the number in radians passed. More...

float	Qore::cos (float f)
	Returns the cosine of the number in radians passed. More...

float	Qore::cos ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::cosh (number n)
	Returns the hyperbolic cosine of the given value. More...

float	Qore::cosh (softfloat f)
	Returns the hyperbolic cosine of the given value. More...

float	Qore::cosh ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::exp (number n)
	Returns the value of e (the base of natural logarithms) raised to the power of the given number. More...

float	Qore::exp (softfloat f)
	Returns the value of e (the base of natural logarithms) raised to the power of the given number. More...

float	Qore::exp ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::exp2 (number n)
	Returns the value of 2 raised to the power of the given number. More...

float	Qore::exp2 (softfloat f)
	Returns the value of 2 raised to the power of the given number. More...

float	Qore::exp2 ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::expm1 (number n)
	Returns the value of e (the base of natural logarithms) raised to the power of the given number - 1. More...

float	Qore::expm1 (softfloat f)
	Returns the value of e (the base of natural logarithms) raised to the power of the given number - 1. More...

float	Qore::expm1 ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

int	Qore::floor (int num, int prec=0)
	Returns the largest multiple of -prec-th power of 10 that is less than or equal to num. (Thus, for non-negative prec just returns num). More...

float	Qore::floor (softfloat f, int prec=0)
	Returns the largest multiple of -prec-th power of 10 that is less than or equal to num. More...

number	Qore::floor (number num, int prec=0)
	Returns the largest multiple of -prec-th power of 10 that is less than or equal to num. More...

float	Qore::floor ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::hypot (number x, number y)
	Returns the length of the hypotenuse of a right-angle triangle with sides given as the two arguments. More...

float	Qore::hypot (softfloat x, softfloat y)
	Returns the length of the hypotenuse of a right-angle triangle with sides given as the two arguments. More...

float	Qore::hypot ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::log10 (number n)
	Returns the base 10 logarithm of the given number. More...

float	Qore::log10 (softfloat f)
	Returns the base 10 logarithm of the given number. More...

float	Qore::log10 ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::log1p (number n)
	Returns the natural logarithm of 1 + the given number. More...

float	Qore::log1p (softfloat f)
	Returns the natural logarithm of 1 + the given number. More...

float	Qore::log1p ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

float	Qore::logb (softfloat f)
	Returns the exponent of the given number. More...

float	Qore::logb ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::nlog (number n)
	Returns the natural logarithm of the given value. More...

float	Qore::nlog (softfloat f)
	Returns the natural logarithm of the given value. More...

float	Qore::nlog ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::pow (number x, number y)
	Returns a number raised to the power of another number. More...

float	Qore::pow (softfloat x=0.0, softfloat y=0.0)
	Returns a number raised to the power of another number. More...

int	Qore::round (softint num, int prec=0)
	Returns the multiple of -prec-th power of 10 that is closest to num (numbers halfway between two such powers of 10 are rounded away from zero). (So, for non-negative prec just returns num). More...

float	Qore::round (softfloat num, int prec=0)
	Returns the multiple of -prec-th power of 10 that is closest to num (numbers halfway between two such powers of 10 are rounded away from zero). More...

number	Qore::round (number num, int prec=0)
	Returns the multiple of -prec-th power of 10 that is closest to num (numbers halfway between two such powers of 10 are rounded away from zero). More...

float	Qore::round ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::sin (number n)
	Returns the sine of the number in radians passed. More...

float	Qore::sin (softfloat f)
	Returns the sine of the number in radians passed. More...

float	Qore::sin ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::sinh (number n)
	Returns the hyperbolic sine of the given value. More...

float	Qore::sinh (softfloat f)
	Returns the hyperbolic sine of the given value. More...

float	Qore::sinh ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::sqrt (number n)
	Returns the square root of the number passed. More...

float	Qore::sqrt (softfloat f)
	Returns the square root of the number passed. More...

float	Qore::sqrt ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::tan (number n)
	Returns the tangent of the number in radians passed. More...

float	Qore::tan (softfloat f)
	Returns the tangent of the number in radians passed. More...

float	Qore::tan ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

number	Qore::tanh (number n)
	Returns the hyperbolic tangent of the given value. More...

float	Qore::tanh (softfloat f)
	Returns the hyperbolic tangent of the given value. More...

float	Qore::tanh ()
	This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments. More...

Detailed Description

Math functions

Function Documentation

◆ abs() [1/4]

float Qore::abs ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ abs() [2/4]

int Qore::abs ( int i )

Returns the absolute value of the argument passed.

Code Flags:: CONSTANT

Parameters

i	the value to process

Returns: the absolute value of the argument passed

Example:: int i = abs(-20); # returns 20

Qore::abs
int abs(int i)
Returns the absolute value of the argument passed.

Note: equivalent to <int>::abs()

◆ abs() [3/4]

number Qore::abs ( number n )

Returns the absolute value of the argument passed.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the absolute value of the argument passed

Example:: number n = abs(-20n); # returns 20n

Note: equivalent to <number>::abs()

◆ abs() [4/4]

float Qore::abs ( softfloat f )

Returns the absolute value of the argument passed.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the absolute value of the argument passed

Example:: float f = abs(-20.2); # returns 20.2

Note: equivalent to <float>::abs()

◆ acos() [1/2]

number Qore::acos ( number n )

Returns the value in radians of the arc cosine of the given value.

Code Flags:: CONSTANT

Parameters

n	the cosine value to process

Returns: the value in radians of the arc cosine of the given value

Example:: number x = acos(y);

Qore::acos
number acos(number n)
Returns the value in radians of the arc cosine of the given value.

◆ acos() [2/2]

float Qore::acos ( softfloat f )

Returns the value in radians of the arc cosine of the given value.

Code Flags:: CONSTANT

Parameters

f	the cosine value to process

Returns: the value in radians of the arc cosine of the given value

Example:: float x = acos(y);

◆ asin() [1/3]

float Qore::asin ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ asin() [2/3]

number Qore::asin ( number n )

Returns the value in radians of the arc sine of the given value.

Code Flags:: CONSTANT

Parameters

n	the sine value to process

Returns: the value in radians of the arc sine of the given value

Example:: number x = asin(y);

Qore::asin
number asin(number n)
Returns the value in radians of the arc sine of the given value.

◆ asin() [3/3]

float Qore::asin ( softfloat f )

Returns the value in radians of the arc sine of the given value.

Code Flags:: CONSTANT

Parameters

f	the sine value to process

Returns: the value in radians of the arc sine of the given value

Example:: float x = asin(y);

◆ atan() [1/3]

float Qore::atan ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ atan() [2/3]

number Qore::atan ( number n )

Returns the value in radians of the arc tangent of the given value.

Code Flags:: CONSTANT

Parameters

n	the tangent value to process

Returns: the value in radians of the arc tangent of the given value

Example:: number x = atan(y);

Qore::atan
number atan(number n)
Returns the value in radians of the arc tangent of the given value.

◆ atan() [3/3]

float Qore::atan ( softfloat f )

Returns the value in radians of the arc tangent of the given value.

Code Flags:: CONSTANT

Parameters

f	the tangent value to process

Returns: the value in radians of the arc tangent of the given value

Example:: float x = atan(y);

◆ atan2() [1/3]

float Qore::atan2 ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ atan2() [2/3]

number Qore::atan2	(	number	y,
		number	x
	)

Returns the principal value of the arc tangent of y/x, using the signs of the two arguments to determine the quadrant of the result.

Code Flags:: CONSTANT

Parameters

y	the y value for the function
x	the x value for the function

Returns: the principal value of the arc tangent of y/x, using the signs of the two arguments to determine the quadrant of the result

Example:: number f = atan2(y, x);

Qore::atan2
number atan2(number y, number x)
Returns the principal value of the arc tangent of y/x, using the signs of the two arguments to determ...

◆ atan2() [3/3]

float Qore::atan2	(	softfloat	y,
		softfloat	x
	)

Returns the principal value of the arc tangent of y/x, using the signs of the two arguments to determine the quadrant of the result.

Code Flags:: CONSTANT

Parameters

y	the y value for the function
x	the x value for the function

Returns: the principal value of the arc tangent of y/x, using the signs of the two arguments to determine the quadrant of the result

Example:: float f = atan2(y, x);

◆ cbrt() [1/3]

float Qore::cbrt ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ cbrt() [2/3]

number Qore::cbrt ( number n )

Returns the cube root of the number passed.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the cube root of the number passed

Example:: number x = cbrt(y);

Qore::cbrt
number cbrt(number n)
Returns the cube root of the number passed.

◆ cbrt() [3/3]

float Qore::cbrt ( softfloat f )

Returns the cube root of the number passed.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the cube root of the number passed

Example:: float x = cbrt(y);

◆ ceil() [1/4]

float Qore::ceil ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ ceil() [2/4]

int Qore::ceil	(	int	num,
		int	prec = `0`
	)

Returns the smallest multiple of -prec-th power of 10 that is greater than or equal to num. (Thus, for non-negative prec just returns num).

Code Flags:: CONSTANT

Parameters

num	an integer number to process (to round upwards)
prec	precision

Example:: ceil( 64501, -2); // returns 64600

ceil(-64999, -3); // returns -64000

ceil( 34500, -8); // returns 100000000

ceil(-34500, -8); // returns 0

Qore::ceil
int ceil(int num, int prec=0)
Returns the smallest multiple of -prec-th power of 10 that is greater than or equal to num....

See also: floor(softint num, int prec = 0)

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ ceil() [3/4]

number Qore::ceil	(	number	num,
		int	prec = `0`
	)

Returns the smallest multiple of -prec-th power of 10 that is greater than or equal to num.

Code Flags:: CONSTANT

Parameters

num	the number to process (to round upwards)
prec	precision

Example:: ceil( 357.271n, 2); // returns 357.28n

ceil( -357.271n, 1); // returns -357.2n

ceil(-64599.28n, -2); // returns -64500n

ceil( 14500n, -4); // returns 20000n

ceil( 34500.28n, -7); // returns 10000000n

ceil(-34500.28n, -7); // returns 0n

See also: floor(number num, int prec = 0)

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ ceil() [4/4]

float Qore::ceil	(	softfloat	num,
		int	prec = `0`
	)

Returns the smallest multiple of -prec-th power of 10 that is greater than or equal to num.

Code Flags:: CONSTANT

Parameters

num	the number to process (to round upwards)
prec	precision

Example:: ceil( 357.271, 2); // returns 357.28

ceil( -357.271, 1); // returns -357.2

ceil(-64599.28, -2); // returns -64500.0

ceil( 14500.28, -4); // returns 20000.0

ceil( 34500.28, -7); // returns 10000000.0

ceil(-34500.28, -7); // returns 0.0

See also: floor(softfloat num, int prec = 0)

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ compare() [1/2]

int Qore::compare	(	float	n1,
		float	n2,
		float	epsilon
	)

Compares numbers with a given epsilon.

Code Flags:: CONSTANT

Parameters

n1	the first number
n2	the second number
epsilon	the maximum difference in the numbers under which they are considered equal

Returns: -1 if n1 is less then n2, 0 if the difference between the numbers is less than epsilon, 1 if n1 is greater than n2

Since: Qore 0.9.5

◆ compare() [2/2]

int Qore::compare	(	number	n1,
		number	n2,
		number	epsilon
	)

Compares numbers with a given epsilon.

Code Flags:: CONSTANT

Parameters

n1	the first number
n2	the second number
epsilon	the maximum difference in the numbers under which they are considered equal

Returns: -1 if n1 is less then n2, 0 if the difference between the numbers is less than epsilon, 1 if n1 is greater than n2

Since: Qore 0.9.5

◆ cos() [1/3]

float Qore::cos ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ cos() [2/3]

float Qore::cos ( float f )

Returns the cosine of the number in radians passed.

Code Flags:: CONSTANT

Parameters

f	the angle in radians

Returns: the cosine of the number in radians passed

Example:: float x = cos(y);

Qore::cos
number cos(number n)
Returns the cosine of the number in radians passed.

◆ cos() [3/3]

number Qore::cos ( number n )

Returns the cosine of the number in radians passed.

Code Flags:: CONSTANT

Parameters

n	the angle in radians

Returns: the cosine of the number in radians passed

Example:: number x = cos(y);

◆ cosh() [1/3]

float Qore::cosh ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ cosh() [2/3]

number Qore::cosh ( number n )

Returns the hyperbolic cosine of the given value.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the hyperbolic cosine of the given value

Example:: number x = cosh(y);

Qore::cosh
number cosh(number n)
Returns the hyperbolic cosine of the given value.

◆ cosh() [3/3]

float Qore::cosh ( softfloat f )

Returns the hyperbolic cosine of the given value.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the hyperbolic cosine of the given value

Example:: float x = cosh(y);

◆ exp() [1/3]

float Qore::exp ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ exp() [2/3]

number Qore::exp ( number n )

Returns the value of e (the base of natural logarithms) raised to the power of the given number.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the value of e (the base of natural logarithms) raised to the power of the given number

Example:: number x = exp(y);

Qore::exp
number exp(number n)
Returns the value of e (the base of natural logarithms) raised to the power of the given number.

◆ exp() [3/3]

float Qore::exp ( softfloat f )

Returns the value of e (the base of natural logarithms) raised to the power of the given number.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the value of e (the base of natural logarithms) raised to the power of the given number

Example:: float x = exp(y);

◆ exp2() [1/3]

float Qore::exp2 ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ exp2() [2/3]

number Qore::exp2 ( number n )

Returns the value of 2 raised to the power of the given number.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the value of 2 raised to the power of the given number

Example:: number x = exp2(y);

Qore::exp2
number exp2(number n)
Returns the value of 2 raised to the power of the given number.

◆ exp2() [3/3]

float Qore::exp2 ( softfloat f )

Returns the value of 2 raised to the power of the given number.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the value of 2 raised to the power of the given number

Example:: float x = exp2(y);

◆ expm1() [1/3]

float Qore::expm1 ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ expm1() [2/3]

number Qore::expm1 ( number n )

Returns the value of e (the base of natural logarithms) raised to the power of the given number - 1.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the value of e (the base of natural logarithms) raised to the power of the given number - 1

Example:: number x = exp1m(y);

◆ expm1() [3/3]

float Qore::expm1 ( softfloat f )

Returns the value of e (the base of natural logarithms) raised to the power of the given number - 1.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the value of e (the base of natural logarithms) raised to the power of the given number - 1

Example:: float x = exp1m(y);

◆ floor() [1/4]

float Qore::floor ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ floor() [2/4]

int Qore::floor	(	int	num,
		int	prec = `0`
	)

Returns the largest multiple of -prec-th power of 10 that is less than or equal to num. (Thus, for non-negative prec just returns num).

Code Flags:: CONSTANT

Parameters

num	an integer number to process (to round downwards)
prec	precision

Example:: floor(-64501, -2); // returns -64600

floor( 64999, -3); // returns 64000

floor(-34500, -8); // returns -100000000

floor( 34500, -8); // returns 0

Qore::floor
int floor(int num, int prec=0)
Returns the largest multiple of -prec-th power of 10 that is less than or equal to num....

See also: ceil(softint num, int prec = 0)

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ floor() [3/4]

number Qore::floor	(	number	num,
		int	prec = `0`
	)

Returns the largest multiple of -prec-th power of 10 that is less than or equal to num.

Code Flags:: CONSTANT

Parameters

num	the number to process (to round downwards)
prec	precision

Example:: floor( 357.271n, 2); // returns 357.27n

floor( -357.271n, 1); // returns -357.3n

floor( 64599.28n, -2); // returns 64500n

floor( 17500.28n, -4); // returns 10000n

floor( 34500.28n, -7); // returns 0n

floor(-34500.28n, -7); // returns -10000000n

See also: ceil(number num, int prec = 0)

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ floor() [4/4]

float Qore::floor	(	softfloat	f,
		int	prec = `0`
	)

Returns the largest multiple of -prec-th power of 10 that is less than or equal to num.

Code Flags:: CONSTANT

Parameters

f	the number to process (to round downwards)
prec	precision

Example:: floor( 357.271, 2); // returns 357.27

floor( -357.271, 1); // returns -357.3

floor( 64599.28, -2); // returns 64500.0

floor( 17500.28, -4); // returns 10000.0

floor( 34500.28, -7); // returns 0.0

floor(-34500.28, -7); // returns -10000000.0

See also: ceil(softfloat num, int prec = 0)

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ hypot() [1/3]

float Qore::hypot ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ hypot() [2/3]

number Qore::hypot	(	number	x,
		number	y
	)

Returns the length of the hypotenuse of a right-angle triangle with sides given as the two arguments.

Code Flags:: CONSTANT

Parameters

x	the length of side x of the right-angle triangle
y	the length of side y of the right-angle triangle

Returns: the length of the hypotenuse of a right-angle triangle with sides given as the two arguments

Example:: number z = hypot(x, y);

Qore::hypot
number hypot(number x, number y)
Returns the length of the hypotenuse of a right-angle triangle with sides given as the two arguments.

◆ hypot() [3/3]

float Qore::hypot	(	softfloat	x,
		softfloat	y
	)

Returns the length of the hypotenuse of a right-angle triangle with sides given as the two arguments.

Code Flags:: CONSTANT

Parameters

x	the length of side x of the right-angle triangle
y	the length of side y of the right-angle triangle

Returns: the length of the hypotenuse of a right-angle triangle with sides given as the two arguments

Example:: float z = hypot(x, y);

◆ log10() [1/3]

float Qore::log10 ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ log10() [2/3]

number Qore::log10 ( number n )

Returns the base 10 logarithm of the given number.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the base 10 logarithm of the given value

Example:: number x = log10(y);

Qore::log10
number log10(number n)
Returns the base 10 logarithm of the given number.

◆ log10() [3/3]

float Qore::log10 ( softfloat f )

Returns the base 10 logarithm of the given number.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the base 10 logarithm of the given value

Example:: float x = log10(y);

◆ log1p() [1/3]

float Qore::log1p ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ log1p() [2/3]

number Qore::log1p ( number n )

Returns the natural logarithm of 1 + the given number.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the natural logarithm of 1 + the given number

Example:: number x = log1p(y);

Qore::log1p
number log1p(number n)
Returns the natural logarithm of 1 + the given number.

◆ log1p() [3/3]

float Qore::log1p ( softfloat f )

Returns the natural logarithm of 1 + the given number.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the natural logarithm of 1 + the given number

Example:: float x = log1p(y);

◆ logb() [1/2]

float Qore::logb ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ logb() [2/2]

float Qore::logb ( softfloat f )

Returns the exponent of the given number.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the exponent of the given number

Example:: float x = logb(y);

Qore::logb
float logb(softfloat f)
Returns the exponent of the given number.

◆ nlog() [1/3]

float Qore::nlog ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ nlog() [2/3]

number Qore::nlog ( number n )

Returns the natural logarithm of the given value.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the natural logarithm of the given value

Example:: float x = nlog(y);

Qore::nlog
number nlog(number n)
Returns the natural logarithm of the given value.

◆ nlog() [3/3]

float Qore::nlog ( softfloat f )

Returns the natural logarithm of the given value.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the natural logarithm of the given value

Example:: float x = nlog(y);

◆ pow() [1/2]

number Qore::pow	(	number	x,
		number	y
	)

Returns a number raised to the power of another number.

Code Flags:: RET_VALUE_ONLY

Parameters

x	the number to raise to the power of y
y	the power to raise x to

Returns: a number raised to the power of another number

Example:: number z = pow(x, y);

Qore::pow
number pow(number x, number y)
Returns a number raised to the power of another number.

Exceptions

DIVISION-BY-ZERO in pow(x, y), if x = 0 then y must be a non-negative value

◆ pow() [2/2]

float Qore::pow	(	softfloat	x = `0.0`,
		softfloat	y = `0.0`
	)

Returns a number raised to the power of another number.

Code Flags:: RET_VALUE_ONLY

Parameters

x	the number to raise to the power of y
y	the power to raise x to

Returns: a number raised to the power of another number

Example:: float z = pow(x, y);

Exceptions

DIVISION-BY-ZERO	in pow(x, y), if x = 0 then y must be a non-negative value
INVALID-POW-ARGUMENTS	in pow(x, y), x cannot be negative when y is not an integer value

◆ round() [1/4]

float Qore::round ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ round() [2/4]

number Qore::round	(	number	num,
		int	prec = `0`
	)

Returns the multiple of -prec-th power of 10 that is closest to num (numbers halfway between two such powers of 10 are rounded away from zero).

Code Flags:: CONSTANT

Parameters

num	a number to round
prec	precision

Example:: round( 645084.36481772n, 5); // returns 645084.36482n

round(-645084.36481772n, 3); // returns -645084.365n

round( 645084.36481772n, -4); // returns 650000n

round(-645084.36481772n, -5); // returns -600000n

round( 645084.36481772n, -6); // returns 1000000n

round(-645084.36481772n, -7); // returns 0n

Qore::round
int round(softint num, int prec=0)
Returns the multiple of -prec-th power of 10 that is closest to num (numbers halfway between two such...

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ round() [3/4]

float Qore::round	(	softfloat	num,
		int	prec = `0`
	)

Returns the multiple of -prec-th power of 10 that is closest to num (numbers halfway between two such powers of 10 are rounded away from zero).

Platform Availability: Qore::Option::HAVE_ROUND

Code Flags:: CONSTANT

Parameters

num	a number to round
prec	precision

Example:: round( 6450.36481, 3); // returns 6450.365

round(-6450.36481, 2); // returns -6450.36

round( 6450.36481, -2); // returns 6500.0

round(-6450.36481, -3); // returns -6000.0

round( 6450.36481, -4); // returns 10000.0

round(-6450.36481, -5); // returns 0.0

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ round() [4/4]

int Qore::round	(	softint	num,
		int	prec = `0`
	)

Returns the multiple of -prec-th power of 10 that is closest to num (numbers halfway between two such powers of 10 are rounded away from zero). (So, for non-negative prec just returns num).

Code Flags:: CONSTANT

Parameters

num	an integer number to round
prec	precision

Example:: round(-6450, -2); // returns -6500

round( 6450, -3); // returns 6000

round(-6450, -4); // returns -10000

round( 6450, -5); // returns 0

Since: Qore 0.8.13 this function accepts the prec argument to specify the rounding precision

◆ sin() [1/3]

float Qore::sin ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ sin() [2/3]

number Qore::sin ( number n )

Returns the sine of the number in radians passed.

Code Flags:: CONSTANT

Parameters

n	the angle in radians

Returns: the sine of the number in radians passed

Example:: number x = sin(y);

Qore::sin
number sin(number n)
Returns the sine of the number in radians passed.

◆ sin() [3/3]

float Qore::sin ( softfloat f )

Returns the sine of the number in radians passed.

Code Flags:: CONSTANT

Parameters

f	the angle in radians

Returns: the sine of the number in radians passed

Example:: float x = sin(y);

◆ sinh() [1/3]

float Qore::sinh ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ sinh() [2/3]

number Qore::sinh ( number n )

Returns the hyperbolic sine of the given value.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the hyperbolic sine of the given value

Example:: number x = sinh(y);

Qore::sinh
number sinh(number n)
Returns the hyperbolic sine of the given value.

◆ sinh() [3/3]

float Qore::sinh ( softfloat f )

Returns the hyperbolic sine of the given value.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the hyperbolic sine of the given value

Example:: float x = sinh(y);

◆ sqrt() [1/3]

float Qore::sqrt ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ sqrt() [2/3]

number Qore::sqrt ( number n )

Returns the square root of the number passed.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the square root of the number passed

Example:: number x = sqrt(y);

Qore::sqrt
number sqrt(number n)
Returns the square root of the number passed.

◆ sqrt() [3/3]

float Qore::sqrt ( softfloat f )

Returns the square root of the number passed.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the square root of the number passed

Example:: float x = sqrt(y);

◆ tan() [1/3]

float Qore::tan ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ tan() [2/3]

number Qore::tan ( number n )

Returns the tangent of the number in radians passed.

Code Flags:: CONSTANT

Parameters

n	the angle in radians

Returns: the tangent of the number in radians passed

Example:: number x = tan(y);

Qore::tan
number tan(number n)
Returns the tangent of the number in radians passed.

◆ tan() [3/3]

float Qore::tan ( softfloat f )

Returns the tangent of the number in radians passed.

Code Flags:: CONSTANT

Parameters

f	the angle in radians

Returns: the tangent of the number in radians passed

Example:: float x = tan(y);

◆ tanh() [1/3]

float Qore::tanh ( )

This function variant does nothing at all; it is only included for backwards-compatibility with qore prior to version 0.8.0 for functions that would ignore type errors in arguments.

Code Flags:: RUNTIME_NOOP

◆ tanh() [2/3]

number Qore::tanh ( number n )

Returns the hyperbolic tangent of the given value.

Code Flags:: CONSTANT

Parameters

n	the value to process

Returns: the hyperbolic tangent of the given value

Example:: number x = tanh(y);

Qore::tanh
number tanh(number n)
Returns the hyperbolic tangent of the given value.

◆ tanh() [3/3]

float Qore::tanh ( softfloat f )

Returns the hyperbolic tangent of the given value.

Code Flags:: CONSTANT

Parameters

f	the value to process

Returns: the hyperbolic tangent of the given value

Example:: float x = tanh(y);

Modules

Functions

Detailed Description

Function Documentation

◆ abs() [1/4]

◆ abs() [2/4]

◆ abs() [3/4]

◆ abs() [4/4]

◆ acos() [1/2]

◆ acos() [2/2]

◆ asin() [1/3]

◆ asin() [2/3]

◆ asin() [3/3]

◆ atan() [1/3]

◆ atan() [2/3]

◆ atan() [3/3]

◆ atan2() [1/3]

◆ atan2() [2/3]

◆ atan2() [3/3]

◆ cbrt() [1/3]

◆ cbrt() [2/3]

◆ cbrt() [3/3]

◆ ceil() [1/4]

◆ ceil() [2/4]

◆ ceil() [3/4]

◆ ceil() [4/4]

◆ compare() [1/2]

◆ compare() [2/2]

◆ cos() [1/3]

◆ cos() [2/3]

◆ cos() [3/3]

◆ cosh() [1/3]

◆ cosh() [2/3]

◆ cosh() [3/3]

◆ exp() [1/3]

◆ exp() [2/3]

◆ exp() [3/3]

◆ exp2() [1/3]

◆ exp2() [2/3]

◆ exp2() [3/3]

◆ expm1() [1/3]

◆ expm1() [2/3]

◆ expm1() [3/3]

◆ floor() [1/4]

◆ floor() [2/4]

◆ floor() [3/4]

◆ floor() [4/4]

◆ hypot() [1/3]

◆ hypot() [2/3]

◆ hypot() [3/3]

◆ log10() [1/3]

◆ log10() [2/3]

◆ log10() [3/3]

◆ log1p() [1/3]

◆ log1p() [2/3]

◆ log1p() [3/3]

◆ logb() [1/2]

◆ logb() [2/2]

◆ nlog() [1/3]

◆ nlog() [2/3]

◆ nlog() [3/3]

◆ pow() [1/2]

◆ pow() [2/2]

◆ round() [1/4]

◆ round() [2/4]

◆ round() [3/4]

◆ round() [4/4]

◆ sin() [1/3]

◆ sin() [2/3]

◆ sin() [3/3]

◆ sinh() [1/3]

◆ sinh() [2/3]

◆ sinh() [3/3]

◆ sqrt() [1/3]

◆ sqrt() [2/3]

◆ sqrt() [3/3]

◆ tan() [1/3]

◆ tan() [2/3]

◆ tan() [3/3]

◆ tanh() [1/3]