8fbca5cb70
No real changes, just clean up sources by removing trailing spaces from all the non-generated files. This should hopefully avoid future commits mixing significant changes with insignificant whitespace ones.
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
/////////////////////////////////////////////////////////////////////////////
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// Name: math.h
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// Purpose: interface of global functions
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// Author: wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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/** @addtogroup group_funcmacro_math */
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//@{
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/**
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Returns a non-zero value if @a x is neither infinite nor NaN (not a
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number), returns 0 otherwise.
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@header{wx/math.h}
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*/
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int wxFinite(double x);
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/**
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Returns the greatest common divisor of the two given numbers.
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@since 3.1.0
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@header{wx/math.h}
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*/
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unsigned int wxGCD(unsigned int u, unsigned int v);
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/**
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Returns a non-zero value if x is NaN (not a number), returns 0 otherwise.
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@header{wx/math.h}
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*/
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bool wxIsNaN(double x);
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/**
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Converts the given array of 10 bytes (corresponding to 80 bits) to
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a float number according to the IEEE floating point standard format
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(aka IEEE standard 754).
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@see wxConvertToIeeeExtended() to perform the opposite operation
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*/
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wxFloat64 wxConvertFromIeeeExtended(const wxInt8 *bytes);
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/**
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Converts the given floating number @a num in a sequence of 10 bytes
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which are stored in the given array @a bytes (which must be large enough)
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according to the IEEE floating point standard format
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(aka IEEE standard 754).
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@see wxConvertFromIeeeExtended() to perform the opposite operation
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*/
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void wxConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes);
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/**
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Convert degrees to radians.
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This function simply returns its argument multiplied by @c M_PI/180 but is
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more readable than writing this expression directly.
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@see wxRadToDeg()
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@since 3.1.0
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*/
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double wxDegToRad(double deg);
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/**
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Convert radians to degrees.
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This function simply returns its argument multiplied by @c 180/M_PI but is
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more readable than writing this expression directly.
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@see wxDegToRad()
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@since 3.1.0
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*/
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double wxRadToDeg(double rad);
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/**
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Count the number of trailing zeros.
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This function returns the number of trailing zeros in the binary notation
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of its argument @a x. E.g. for @a x equal to 4, or 0b100, the return value
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is 2.
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@param x Strictly positive, i.e. non-zero, 32 bit number.
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@since 3.1.2
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*/
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unsigned int wxCTZ(wxUint32 x);
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/**
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Small wrapper around round().
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*/
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int wxRound(double x);
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/**
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Returns true if both double values are identical. This is
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only reliable if both values have been assigned the same
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value.
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*/
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bool wxIsSameDouble(double x, double y);
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/**
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Return true of @a x is exactly zero. This is only reliable
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if it has been assigned 0.
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*/
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bool wxIsNullDouble(double x);
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//@}
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