NAME

floor − largest integer not greater than real value

SYNOPSIS

real r1, r2
double precision dp1, dp2

r1 = floor(r1)

dp1 = floor(dp1)

DESCRIPTION

floor returns the largest integer (as a real or double precision number) not greater than its real or double precision argument. 

floor(3.4) returns 3.0
floor(-3.4) returns -4.0

SEE ALSO

ceiling(3F), floor(3M). 

CX/UX Hf77 Fortran Reference Manual