DRAFT |
SDL_MostSignificantBitIndex32
Use this function to get the index of the most significant (set) bit in a 32-bit number. This is also the same as the base 2 logarithm of the number.
Contents
Syntax
Sint8 SDL_MostSignificantBitIndex32(Uint32 x)
Function Parameters
x |
the number to find the MSB of |
Return Value
Returns the index of the most significant bit if x is > 0, otherwise output is undefined.
Code Examples
if (bitmask) {
Sint8 index = SDL_MostSignificantBitIndex32(bitmask);
}
Remarks
You can add useful comments here
