intro man page on Ultrix

intro man page on Ultrix

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intro(3m)							     intro(3m)

Name
       intro - introduction to mathematical library functions

Description
       These  functions constitute the math library, libm.  They are automati‐
       cally loaded as needed by the FORTRAN compiler The link editor searches
       this  library under the “-lm” option.  Declarations for these functions
       may be obtained from the include file <math.h>.	On VAX	machines,  the
       GFLOAT  version	of  libm is used when you use the command with the lcg
       option.	Note that you must use the GFLOAT version of libm with modules
       compiled using the with the -Mg option.

       Also on VAX machines, note that neither the compiler nor the linker can
       detect when mixed double floating point types are used, and the program
       may produce erroneous results if this occurs.

System V Compatibility
       This  library  contains System V compatibility features that are avail‐
       able to general ULTRIX programs.	 For a discussion of  how  these  fea‐
       tures  are documented, and how to specify that the System V environment
       is to be used in compiling and linking your programs, see

Files
       /usr/lib/libma
       /usr/lib/libmg.a	 (VAX only)

								     intro(3m)

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