Sync SDL3 wiki -> header
parent
081a94e321
commit
e4f097805b
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@ -52,13 +52,13 @@ extern __inline int _SDL_bsr_watcom(Uint32);
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/**
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* Get the index of the most significant (set) bit in a 32-bit number.
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*
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* Result is undefined when called with 0. This operation can also be
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* stated as "count leading zeroes" and "log base 2".
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* Result is undefined when called with 0. This operation can also be stated
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* as "count leading zeroes" and "log base 2".
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param x the 32-bit value to examine
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* \returns the index of the most significant bit, or -1 if the value is 0.
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@ -125,8 +125,8 @@ SDL_FORCE_INLINE int SDL_MostSignificantBitIndex32(Uint32 x)
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param x the 32-bit value to examine
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* \returns SDL_TRUE if exactly one bit is set in `x`, SDL_FALSE otherwise.
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@ -293,8 +293,8 @@ SDL_FORCE_INLINE Uint64 SDL_Swap64(Uint64 x)
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param x the value to byte-swap.
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* \returns x, with its bytes in the opposite endian order.
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@ -322,17 +322,18 @@ SDL_FORCE_INLINE float SDL_SwapFloat(float x)
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#ifdef SDL_WIKI_DOCUMENTATION_SECTION
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/**
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* Byte-swap an unsigned 16-bit number.
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*
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* This will always byte-swap the value, whether it's currently in the native
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* byteorder of the system or not. You should use SDL_SwapLE16 or
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* SDL_SwapBE16 instead, in most cases.
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* byteorder of the system or not. You should use SDL_SwapLE16 or SDL_SwapBE16
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* instead, in most cases.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param x the value to byte-swap.
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* \returns `x`, with its bytes in the opposite endian order.
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@ -347,13 +348,13 @@ SDL_FORCE_INLINE Uint16 SDL_Swap16(Uint16 x) { return x_but_byteswapped; }
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* Byte-swap an unsigned 32-bit number.
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*
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* This will always byte-swap the value, whether it's currently in the native
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* byteorder of the system or not. You should use SDL_SwapLE32 or
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* SDL_SwapBE32 instead, in most cases.
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* byteorder of the system or not. You should use SDL_SwapLE32 or SDL_SwapBE32
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* instead, in most cases.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param x the value to byte-swap.
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* \returns `x`, with its bytes in the opposite endian order.
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@ -368,13 +369,13 @@ SDL_FORCE_INLINE Uint32 SDL_Swap32(Uint32 x) { return x_but_byteswapped; }
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* Byte-swap an unsigned 64-bit number.
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*
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* This will always byte-swap the value, whether it's currently in the native
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* byteorder of the system or not. You should use SDL_SwapLE64 or
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* SDL_SwapBE64 instead, in most cases.
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* byteorder of the system or not. You should use SDL_SwapLE64 or SDL_SwapBE64
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* instead, in most cases.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param x the value to byte-swap.
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* \returns `x`, with its bytes in the opposite endian order.
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@ -114,15 +114,15 @@ typedef struct SDL_FRect
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/**
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* Determine whether a point resides inside a rectangle.
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*
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* A point is considered part of a rectangle if both `p` and `r` are
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* not NULL, and `p`'s x and y coordinates are >= to the rectangle's
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* top left corner, and < the rectangle's x+w and y+h. So a 1x1 rectangle
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* considers point (0,0) as "inside" and (0,1) as not.
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* A point is considered part of a rectangle if both `p` and `r` are not NULL,
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* and `p`'s x and y coordinates are >= to the rectangle's top left corner,
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* and < the rectangle's x+w and y+h. So a 1x1 rectangle considers point (0,0)
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* as "inside" and (0,1) as not.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param p the point to test.
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* \param r the rectangle to test.
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@ -141,13 +141,13 @@ SDL_FORCE_INLINE SDL_bool SDL_PointInRect(const SDL_Point *p, const SDL_Rect *r)
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/**
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* Determine whether a rectangle has no area.
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*
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* A rectangle is considered "empty" for this function if `r` is NULL,
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* or if `r`'s width and/or height are <= 0.
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* A rectangle is considered "empty" for this function if `r` is NULL, or if
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* `r`'s width and/or height are <= 0.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param r the rectangle to test.
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* \returns SDL_TRUE if the rectangle is "empty", SDL_FALSE otherwise.
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@ -164,13 +164,13 @@ SDL_FORCE_INLINE SDL_bool SDL_RectEmpty(const SDL_Rect *r)
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/**
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* Determine whether two rectangles are equal.
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*
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* Rectangles are considered equal if both are not NULL and each of their
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* x, y, width and height match.
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* Rectangles are considered equal if both are not NULL and each of their x,
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* y, width and height match.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param a the first rectangle to test.
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* \param b the second rectangle to test.
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@ -290,15 +290,15 @@ extern DECLSPEC SDL_bool SDLCALL SDL_GetRectAndLineIntersection(const SDL_Rect *
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/**
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* Determine whether a point resides inside a floating point rectangle.
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*
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* A point is considered part of a rectangle if both `p` and `r` are
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* not NULL, and `p`'s x and y coordinates are >= to the rectangle's
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* top left corner, and < the rectangle's x+w and y+h. So a 1x1 rectangle
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* considers point (0,0) as "inside" and (0,1) as not.
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* A point is considered part of a rectangle if both `p` and `r` are not NULL,
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* and `p`'s x and y coordinates are >= to the rectangle's top left corner,
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* and < the rectangle's x+w and y+h. So a 1x1 rectangle considers point (0,0)
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* as "inside" and (0,1) as not.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param p the point to test.
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* \param r the rectangle to test.
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@ -317,13 +317,13 @@ SDL_FORCE_INLINE SDL_bool SDL_PointInRectFloat(const SDL_FPoint *p, const SDL_FR
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/**
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* Determine whether a floating point rectangle has no area.
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*
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* A rectangle is considered "empty" for this function if `r` is NULL,
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* or if `r`'s width and/or height are <= 0.0f.
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* A rectangle is considered "empty" for this function if `r` is NULL, or if
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* `r`'s width and/or height are <= 0.0f.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param r the rectangle to test.
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* \returns SDL_TRUE if the rectangle is "empty", SDL_FALSE otherwise.
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@ -338,17 +338,18 @@ SDL_FORCE_INLINE SDL_bool SDL_RectEmptyFloat(const SDL_FRect *r)
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}
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/**
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* Determine whether two floating point rectangles are equal, within some given epsilon.
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* Determine whether two floating point rectangles are equal, within some
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* given epsilon.
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*
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* Rectangles are considered equal if both are not NULL and each of their
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* x, y, width and height are within `epsilon` of each other. If you don't
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* know what value to use for `epsilon`, you should call the
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* SDL_RectsEqualFloat function instead.
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* Rectangles are considered equal if both are not NULL and each of their x,
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* y, width and height are within `epsilon` of each other. If you don't know
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* what value to use for `epsilon`, you should call the SDL_RectsEqualFloat
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* function instead.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param a the first rectangle to test.
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* \param b the second rectangle to test.
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@ -371,18 +372,19 @@ SDL_FORCE_INLINE SDL_bool SDL_RectsEqualEpsilon(const SDL_FRect *a, const SDL_FR
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}
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/**
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* Determine whether two floating point rectangles are equal, within a default epsilon.
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* Determine whether two floating point rectangles are equal, within a default
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* epsilon.
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*
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* Rectangles are considered equal if both are not NULL and each of their
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* x, y, width and height are within SDL_FLT_EPSILON of each other. This is
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* often a reasonable way to compare two floating point rectangles and
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* deal with the slight precision variations in floating point calculations
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* that tend to pop up.
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* Rectangles are considered equal if both are not NULL and each of their x,
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* y, width and height are within SDL_FLT_EPSILON of each other. This is often
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* a reasonable way to compare two floating point rectangles and deal with the
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* slight precision variations in floating point calculations that tend to pop
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* up.
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*
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* Note that this is a forced-inline function in a header, and not a public
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* API function available in the SDL library (which is to say, the code is
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* embedded in the calling program and the linker and dynamic loader will
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* not be able to find this function inside SDL itself).
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* embedded in the calling program and the linker and dynamic loader will not
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* be able to find this function inside SDL itself).
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*
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* \param a the first rectangle to test.
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* \param b the second rectangle to test.
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@ -2459,8 +2459,9 @@ size_t wcslcat(wchar_t *dst, const wchar_t *src, size_t size);
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#endif
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/**
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* If a * b would overflow, return -1. Otherwise store a * b via ret
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* and return 0.
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* If a * b would overflow, return -1.
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*
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* Otherwise store a * b via ret and return 0.
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*
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* \since This function is available since SDL 3.0.0.
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*/
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@ -2489,8 +2490,9 @@ SDL_FORCE_INLINE int SDL_size_mul_overflow_builtin (size_t a,
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#endif
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/**
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* If a + b would overflow, return -1. Otherwise store a + b via ret
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* and return 0.
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* If a + b would overflow, return -1.
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*
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* Otherwise store a + b via ret and return 0.
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*
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* \since This function is available since SDL 3.0.0.
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*/
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