### -y

#### Description

Specifies the compile-time rounding mode of constant floating-point expressions.

#### Syntax

.-n-.
>>- -y--+-m-+--------------------------------------------------><
+-p-+
'-z-'

where suboptions are:

n |
Round to the nearest representable number. This is the
default. |

m |
Round toward minus infinity. |

p |
Round toward plus infinity. |

z |
Round toward zero. |

#### Example

To compile `myprogram.c` so that constant floating-point expressions
are rounded toward zero at compile time, enter:

xlc myprogram.c -yz

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