03-30-2012
I don't know why it did that to you.
It certainly didn't here. There may be differences in how your version of awk does rounding.
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LEARN ABOUT OSF1
read_rnd
write_rnd(3) Library Functions Manual write_rnd(3)
NAME
write_rnd, read_rnd - Sets and returns IEEE dynamic rounding mode for floating-point operations
LIBRARY
Standard C Library (libc.so, libc.a)
SYNOPSIS
#include <float.h>
unsigned int write_rnd(
unsigned int rnd);
unsigned int read_rnd();
DESCRIPTION
The write_rnd function sets the dynamic rounding mode in the floating-point control register (fpcr) for IEEE floating-point operations and
returns the previous dynamic rounding mode. Dynamic rounding mode for IEEE floating-point operations is enabled for code generated by the
C compiler by specifying -fprm d to cc(1), and by using the d floating-point instruction operator in assembly language code.
Specify rnd as one of the following constants defined in float.h
---------------------------------------------------
Constant Meaning
---------------------------------------------------
FP_RND_RZ Round toward zero (chopped rounding)
FP_RND_RN Round toward nearest (normal rounding)
FP_RND_RP Round toward plus infinity
FP_RND_RM Round toward minus infinity
---------------------------------------------------
The read_rnd function returns the current dynamic rounding mode for floating-point operations.
RETURN VALUES
The write_rnd function returns the previous IEEE floating-point rounding mode. The read_rnd function returns the current IEEE floating-
point rounding mode.
RELATED INFORMATION
Commands: cc(1).
Files: float.h.
Assembly Language Programmer's Guide.
Alpha Architecture Reference Manual.
IEEE Standard for Binary Floating-Point Arithmetic delim off
write_rnd(3)