kmath.h File Reference

Mathematic functions. More...

#include "ktypes.h"

Functions
KTL_API KDouble	k_exp (KDouble v)
	Compute the exponent of a floating-point number.
KTL_API KDouble	k_log (KDouble v)
	Returns the natural logarithm of the parameter.
KTL_API KDouble	k_pow (KDouble value, KDouble p)
	Returns a value raised to a power exponent.
KTL_API KDouble	k_fabs (KDouble v)
	Returns the absolute value of the parameter.
KTL_API KInt	k_abs (KInt v)
	Returns the absolute value of the parameter.
KTL_API KDouble	k_tan (KDouble v)
	Returns the tangent of an angle specified by the parameter.
KTL_API KDouble	k_cos (KDouble v)
	Returns the cosine of an angle specified by the parameter.
KTL_API KDouble	k_sin (KDouble v)
	Returns the sine of an angle specified by the parameter.
KTL_API KDouble	k_atan2 (KDouble x, KDouble y)
	Returns the principal value of the arc tangent of the parameters.
KTL_API KDouble	k_sqrt (KDouble v)
	Returns the square root of the parameter.
KTL_API KDouble	k_floor (KDouble v)
	Returns the largest integral value that is not greater than the parameter.
KTL_API KDouble	k_ceil (KDouble v)
	Returns the smallest integral value that is not less than the parameter.
KTL_API KInt32	k_round (KDouble x)
	Rounds to an integral number the given parameter.
KTL_API KInt32	k_roundf (KFloat x)
	Rounds to an integral number the given parameter.

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Detailed Description

Mathematic functions.

Version:

KToolLib-1.0

Author:

Fabien Gallot

Date:

27/03/2009

Note:

Copyright © 2008-2010 iKlax Media SAS (www.iklaxmedia.com). All rights reserved.

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Function Documentation

KTL_API KInt k_abs (  KInt  v  )

Returns the absolute value of the parameter. Parameters: v  the integral number to be computed Returns: the absolute value of v

KTL_API KDouble k_atan2 (  KDouble  x, KDouble  y )

Returns the principal value of the arc tangent of the parameters. Parameters: x  the floating point number representing an x-coordinate y  the floating point number representing an y-coordinate Returns: the principal arc tangent of y/x in radians

KTL_API KDouble k_ceil (  KDouble  v  )

Returns the smallest integral value that is not less than the parameter. Parameters: v  the floating point number Returns: the smallest integral value not less than v

KTL_API KDouble k_cos (  KDouble  v  )

Returns the cosine of an angle specified by the parameter. Parameters: v  the floating point number representing an angle expressed in radians Returns: the cosine of v

KTL_API KDouble k_exp (  KDouble  v  )

Compute the exponent of a floating-point number. Parameters: v  Specifies the floating-point number for which the exponent is computed Returns: the exponent of x

KTL_API KDouble k_fabs (  KDouble  v  )

Returns the absolute value of the parameter. Parameters: v  the floating point number to be computed Returns: the absolute value of v

KTL_API KDouble k_floor (  KDouble  v  )

Returns the largest integral value that is not greater than the parameter. Parameters: v  the floating point number Returns: the largest integral value not greater than v

KTL_API KDouble k_log (  KDouble  v  )

Returns the natural logarithm of the parameter. Parameters: v  the floating point number Returns: the natural logarithm of v

KTL_API KDouble k_pow (  KDouble  value, KDouble  p )

Returns a value raised to a power exponent. Parameters: value  the floating point number value p  the floating point number exponent Returns: the result of raising value to the power exponent HUGE_VAL for overflow cases

KTL_API KInt32 k_round (  KDouble  x  )

Rounds to an integral number the given parameter. Parameters: x  the floating point number (KDouble) Returns: the integral number value rounded

KTL_API KInt32 k_roundf (  KFloat  x  )

Rounds to an integral number the given parameter. Parameters: x  the floating point number (KFloat) Returns: the integral number value rounded

KTL_API KDouble k_sin (  KDouble  v  )

Returns the sine of an angle specified by the parameter. Parameters: v  the floating point number representing an angle expressed in radians Returns: the sine of v

KTL_API KDouble k_sqrt (  KDouble  v  )

Returns the square root of the parameter. Parameters: v  the floating point number Returns: the square root of v

KTL_API KDouble k_tan (  KDouble  v  )

Returns the tangent of an angle specified by the parameter. Parameters: v  the floating point number representing an angle expressed in radians Returns: the tangent of v

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