Specifies the compile-time rounding mode of constant floating-point expressions.
.-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. |
To compile myprogram.c so that constant floating-point expressions are rounded toward zero at compile time, enter:
xlc myprogram.c -yz
Related information