values(5)                                               values(5)



     NAME
          values - machine-dependent values

     SYNOPSIS
          #include <values.h>

     DESCRIPTION
          This file contains a set of manifest constants, conditional-
          ly 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 (for example,
               int).

          HIBITS
               The value of a short integer with only the high-order
               bit set (in most implementations, 0x8000).

          HIBITL
               The value of a long integer with only the high-order
               bit set (in most implementations, 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 im-
               plementations, 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 logarithm.

          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



     April, 1990                                                     1

     values(5)                                               values(5)



               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).




































     2                                                     April, 1990