values.5 (2010 09)

v
values(5) values(5)
NAME
values - machine-dependent values
SYNOPSIS
#include <values.h>
DESCRIPTION
This file contains a set of manifest constants, conditionally defined for particular processor architectures.
The model assumed for integers is binary representation (one’s or two’s complement), where the sign is
represented by the value of the high-order bit.
BITS(type ) The number of bits in a specified type (e.g., int).
HIBITS The value of a short integer with only the high-order bit set (in most implementa-
tions, 0x8000).
HIBITL The value of a long integer with only the high-order bit set (in most implementa-
tions, 0x80000000).
HIBITI The value of a regular integer with only the high-order bit set (usually the same as
HIBITS or HIBITL).
MAXSHORT The maximum value of a signed short integer (in most implementations, 0x7FFF ≡
32767).
MAXLONG The maximum value of a signed long integer (in most implementations,
0x7FFFFFFF ≡ 2147483647).
MAXINT The maximum value of a signed regular integer (usually the same as MAXSHORT or
MAXLONG).
MAXFLOAT, LN_MAXFLOAT
The maximum value of a single-precision floating-point number, and its natural log-
arithm.
MAXDOUBLE, LN_MAXDOUBLE
The maximum value of a double-precision floating-point number, and its natural
logarithm.
MINFLOAT, LN_MINFLOAT
The minimum positive value of a single-precision floating-point number, and its
natural logarithm.
MINDOUBLE, LN_MINDOUBLE
The minimum positive value of a double-precision floating-point number, and its
natural logarithm.
FSIGNIF The number of significant bits in the mantissa of a single-precision floating-point
number.
DSIGNIF The number of significant bits in the mantissa of a double-precision floating-point
number.
FILES
/usr/include/values.h
SEE ALSO
intro(3), math(5).
STANDARDS CONFORMANCE
<values.h>: XPG2
HP-UX 11i Version 3: September 2010 − 1 − Hewlett-Packard Company 1