# SDL_FRectEqualsEpsilon Returns true if the two rectangles are equal, within some given epsilon. ## Header File Defined in [SDL_rect.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_rect.h) ## Syntax ```c SDL_FORCE_INLINE SDL_bool SDL_FRectEqualsEpsilon(const SDL_FRect *a, const SDL_FRect *b, const float epsilon); ``` ## Function Parameters | | | | | ------------------------------ | ----------- | --------------------------------- | | const [SDL_FRect](SDL_FRect) * | **a** | the first rectangle to test. | | const [SDL_FRect](SDL_FRect) * | **b** | the second rectangle to test. | | const float | **epsilon** | the epsilon value for comparison. | ## Return Value ([SDL_bool](SDL_bool)) Returns [SDL_TRUE](SDL_TRUE) if the rectangles are equal, [SDL_FALSE](SDL_FALSE) otherwise. ## Version This function is available since SDL 2.0.22. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRect](CategoryRect)