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

SDL_lround

Round x to the nearest integer representable as a long

Header File

Syntax

long SDL_lround(double x);

Function Parameters

double

floating point value.

Return Value

(long) Returns the nearest integer to x.

Remarks

Rounds x to the nearest integer. Values halfway between integers will be rounded away from zero.

Domain: -INF <= x <= INF

Range: MIN_LONG <= y <= MAX_LONG

This function operates on double-precision floating point values, use SDL_lround for single-precision floats. To get the result as a floating-point type, use SDL_round.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.