6.13.1 dacos, dasin, datan, dcos, dsin, dtan 6.13.2 dabs, dexp, dlog, dsqrt 6.13.3 ceil, floor, rint, dceil, dfloor, drint
dacos
dasin
datan
dcos
dsin
dtan
dabs
dexp
dlog
dsqrt
ceil
floor
rint
dceil
dfloor
drint