March 10, 1994 RINT 3

### NAME

rint, rintf - round to integral value in floating-point format

### LIBRARY

Math Library (libm, -lm)

### SYNOPSIS

```double` rint(```double x`)
```float` rintf(```float x`)

### DESCRIPTION

The rint(``) function returns the integral value (represented as a double precision number) nearest to ```x` according to the prevailing rounding mode.

### SEE ALSO

abs(3), ceil(3), fabs(3), floor(3), ieee(3), math(3)

### HISTORY

A rint(``) function appeared in Version 6 `AT&T UNIX`.