March 10, 1994 FLOOR 3

### NAME

floor, floorf - round to largest integral value not greater than x

### LIBRARY

Math Library (libm, -lm)

### SYNOPSIS

```double` floor(```double x`)
```float` floorf(```float x`)

### DESCRIPTION

The floor(``) and floorf(``) functions return the largest integral value less than or equal to ```x`.

### SEE ALSO

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

### STANDARDS

The floor(``) function conforms to ANSI X3.159-1989 (``ANSI C89'') .