SDL_trunc - Man Page

#include <SDL3/SDL_stdinc.h>

double SDL_trunc(double x);

Rounds x to the next closest integer to 0. This is equivalent to removing the fractional part of x, leaving only the integer part.

Domain: -INF <= x <= INF

Range: -INF <= y <= INF, y integer

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

x

floating point value.

Returns x truncated to an integer.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.

SDL_truncf(3), SDL_fmod(3), SDL_ceil(3), SDL_floor(3), SDL_round(3), SDL_lround(3)

SDL_ceil(3), SDL_floor(3), SDL_fmod(3), SDL_lround(3), SDL_modf(3), SDL_round(3), SDL_truncf(3).