1/11/00
COM1100
Winter2000 Yuhong Yin Northeastern University
32
C++ Data Type – floating point
oUsed to store
numbers requiring fraction or decimal, come
in 3 sizes or precisions
ofloat
odouble
olong double
oAlso called real
number
oValues stored is
often not exact (like 2/3 in decimal, have
to stop somewhere 0.666667)
oSpecial symbols,
such as the dollar sign and the comma, are
not permitted in real number
n5,326.25 $10.99
oMost often use double instead of float