SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Split x into integer and fractional parts

Header File

Defined in <SDL3/SDL_stdinc.h>


float SDL_modff(float x, float *y);

Function Parameters

float x floating point value.
float * y output pointer to store the integer part of x.

Return Value

(float) Returns the fractional part of x.


This function operates on single-precision floating point values, use SDL_modf for double-precision floats.

Thread Safety

It is safe to call this function from any thread.


This function is available since SDL 3.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryStdinc

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