LIBRARY ROUTINES AND HEADER FILES
		SCCSid "$SunId$ LBL"

This directory contains library routines and common header files for
the RADIANCE programs in the directories on the same level.

calcomp.h	header file for expression parser
color.h		header for routines using pixel color values
cone.h		header file for cones (cones, cylinders, rings, cups, tubes)
face.h		header for routines using polygonal faces
font.h		header for font handling rountines
fvect.h		header file for floating point routines using vectors
linregr.h	header file for linear regression calculation
mat4.h		definitions for 4x4 matrix operations
object.h	header file for routines using objects and object sets
octree.h	header file for routines using octrees
otypes.h	defines for object types
paths.h		header file defining standard path names for this architecture
plocate.h	header for 3D vector location
random.h	header file for random(3) and urand() function
resolu.h	definitions for resolution line in image file.
standard.h	standard include file for most programs
targa.h		header file for reading and writing Targa format files
vfork.h		header file for routines using vfork()
view.h		header file for image generation
xraster.h	header file for X routines using images
xtwind.h	header for X text window routines
badarg.c	check argument list against format string
bcopy.c		substitutes for library routines
bmalloc.c	memory allocation without overhead (no free lists)
caldefn.c	store variable definitions
calexpr.c	compute data values using expression parser
calfunc.c	routines for calcomp using functions
calprnt.c	routines for printing calcomp expressions
clip.c		routine to clip 3D line segments to a box
color.c		routines for color calculations
colrops.c	integer operations on COLR scanlines
cone.c		routines for making cones
cputs.c		default routine for command-line error output
ealloc.c	memory routines which call quit on error
eputs.c		default routine for error output
erf.c		BSD implementation of erf() and erfc()
error.c		standard error reporting function
expandarg.c	expand command-line argument to read from environ or file
face.c		routines dealing with polygonal faces
fdate.c		return UNIX date in system-independent interface
fgetline.c	read line with escaped newlines
fgetval.c	scanf replacement that skips # comments
fgetword.c	read white space separated words from stream
fixargv0.c	MS-DOS compatibility routine to fix program name + arg. list
font.c		library routines for font handling
frexp.c		free exponent (library routine replacement)
fropen.c	find and open a Radiance library file
fvect.c		routines for float vector calculations
fwrite.c	standard lib replacement
getlibpath.c	return standard library path from RAYLIB (or default)
getpagesize.c	return system page size for non-BSD machine
getpath.c	function to search for file in a list of directories
header.c	routines for reading and writing information headers
image.c		routines for image generation / pixel mapping
instance.c	routines for octree objects
invmat4.c	compute inverse of 4x4 matrix
lamps.c		load lamp data
linregr.c	basic linear regression calculation
lookup.c	hash table lookup routines
malloc.c	fast malloc for memory hogs and VM environments
mat4.c		routines dealing with 4 X 4 homogeneous matrices
mktemp.c	make temporary file (system-independent replacement)
modobject.c	routines for tracking object modifiers
multisamp.c	binary space partitioning curve for multidimensional sampling
myhostname.c	system-independent host name call
objset.c	routines for maintaining object sets
octree.c	routines dealing with octrees and cubes
otypes.c	object type lookup and error reporting
peano.c		generate an N-dimensional Peano space-filling curve
plocate.c	routine to locate 3D vector w.r.t. box
popen.c		system-independent replacement for popen(3) call
portio.c	routines for portable binary input and output
process.c	routines to communicate with separate process via dual pipes
quit.c		default quit() routine, calles exit()
random.c	BSD random number generator
readfargs.c	allocate, read and free object arguments (RADIANCE parser)
readobj.c	routines for reading in object descriptions
readoct.c	routines to read octree information
resolu.c	read and write image resolutions
rexpr.c		regular expression parser (ala grep)
savestr.c	routines for efficient string storage
savqstr.c	quick and dirty string saver
spec_rgb.c	convert colors and spectral ranges
strcmp.c	more efficient standard lib replacement for use with savestr()
urand.c		anticorrelated random function due to Christophe Schlick
urind.c		compute pseudo-asyncronous entry point for urand(3)
wordfile.c	open and read a file of whitespace-separated words
words.c		routines for recognizing and moving about words in strings
wputs.c		default warning message output function
x11findwind.c	find a window by its name under X
xf.c		routines to convert transform arguments into 4X4 matrix
xraster.c	X10R4 raster handling routines
xtwind.c	X10R4 text window routines