* Returns true if the rectangle has no area. */

* Returns true if the two rectangles are equal, using a default epsilon. * * \since This function is available since SDL 2.0.22. */

* Use this function to get the index of the most significant (set) bit in a * * \param x the number to find the MSB of. * \returns the index of the

* Returns true if point resides inside a rectangle. */

* Returns true if point resides inside a rectangle. */

* Returns true if the rectangle has no area. */

* Returns true if the two rectangles are equal. */

* Use this function to swap the byte order of a floating point value. * * \param x the value to be swapped. * \returns the swapped value. * * \sa

Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */

* If a + b would overflow, return -1. * * Otherwise store a + b via ret and return 0. * * \since This function is available since SDL 2.24.0. */

* If a * b would overflow, return -1. * * Otherwise store a * b via ret and return 0. * * \since This function is available since SDL 2.24.0. */

gyro calibration functions

VolumeController class implementation

This needs to be wrapped in an inline rather than being a direct #define, * the same as the call to __builtin_mul_overflow() above. */

This needs to be wrapped in an inline rather than being a direct #define, * because __builtin_mul_overflow() is type-generic, but we want to be * co

* Returns the current axis range of the joystick. * The axis range is an absolute value that represents the maximum value that * the joystick can ha