These flagss are used in the stream with
the setiosflags function. For example:
cout << setiosflags(ios::showpoint);
will make numbers always display with a decimal
point
| Flag | Meaning |
| skipws | Ignore whitespace in input (default) |
| left | left align output |
| right | right align output |
| internal | add spaces between sign and number |
| dec | convert to decimal |
| oct | convert to octal |
| hex | convert to hexadecimal |
| showbase | use base indicator on output (0 for octal, 0x for hex) |
| showpoint | always show decimal point |
| uppercase | hex output letters uppercase |
| showpos | always show positive sign |
| scientific | use exponential format (1.234E5) |
| fixed | fixed format on floating-point output |
| unitbuf | flush streams after insertion |
| stdio | flush stdout and stderror after insertion |