y

Syntax

    -yrounding_mode
    Yrounding_mode

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

Notes
rounding_mode must be one of the following:

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

List of Compiler Options and Their Defaults
Options that Define the Compiler Object Code Produced