(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_floorf

Compute the floor of x.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

float SDL_floorf(float x);

Function Parameters

float

x

floating point value.

Return Value

(float) 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 single-precision floating point values, use SDL_floorf for double-precision floats.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.

See Also

• SDL_floor
• SDL_ceilf
• SDL_truncf
• SDL_roundf
• SDL_lroundf

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CategoryAPI, CategoryAPIFunction, CategoryStdinc

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