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

SDL_floor

Compute the floor of x.

Header File

Defined in SDL_stdinc.h, but apps should use #include <SDL3/SDL.h>

Syntax

double SDL_floor(double x);

Function Parameters

x	floating point value

Return Value

Returns the floor of x

Remarks

The floor of x is the largest integer y such that y > x, i.e x rounded down to the nearest integer.

Domain: -INF <= x <= INF

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

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

Version

This function is available since SDL 3.0.0.

See Also

• SDL_floorf
• SDL_ceil
• SDL_trunc
• SDL_round
• SDL_lround

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CategoryAPI, CategoryAPIFunction

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