round down
y=floor(x)
a real or complex matrix
integer value matrix (or complex matrix with integer real and imaginary part)
floor(x) returns an integer matrix made of nearest rounded down integers.
floor(x)
floor([1.3 1.5 1.7 2.5 3.7]) // Notice the result for x negative floor([-1.3 -1.5 -1.7 -2.5 -3.7]) floor([2.2+%i*23, %pi*%i, -%i ])