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Quadruple-precision data
representation of, A–10, A–23, A–25
Quadruple-precision real number, 2–11
R
Radix
specifying in output, 9–26
Random access, 9–15
definition, Glossary–10
to indexed files, 9–17
using relative component numbers, 9–16
RANDOM function, 8–38
READ procedure, 9–52
READLN procedure, 9–56
READONLY attribute, 10–35
effect on storage allocation, A–7
on formal parameter, 6–11
READV procedure, 8–39
status of, 8–44
Real number
double-precision, 2–11
floating-point formats, 2–11
negative, 2–14
quadruple-precision, 2–11
single-precision, 2–11
REAL type, 2–11
allocation size of, A–10
default field width of, 9–24
reading from text file, 9–53
representation of, A–19, A–20
specifying fraction size, 9–24
Record
definition, Glossary–10
packing
example of, A–15
selecting when returned from a function,
4–15
Record constructor, 2–27
RECORD type, 2–22 to 2–30
allocation size of, A–10
constructor with variant for, 2–29
field of, 2–22
nested, 2–28
OTHERWISE clause in, 2–26
Index–16
RECORD type (cont’d)
packing, A–16
position of fields in, 10–32
representation nonstatic fields of, A–29
using WITH statement, 5–13
variant clause in, 2–24
Recursion
definition, Glossary–10
Redeclaring routine names, 7–2
Redefinable reserved word
definition, Glossary–11
%REF foreign mechanism
on actual parameter, 6–17
Reference
to variable, 3–10
REFERENCE attribute, 10–36
Reference mechanism, 6–7
Relational operators, 4–5
evaluating, 4–13
Relative component number, 9–4
definition, Glossary–11
use with random access, 9–16
Relative file
cells, 9–4
organization, 9–4
sequential access to, 9–14
Relative file organization
definition, Glossary–11
REM operator, 4–4
RENAME_FILE procedure, 8–40
REPEAT statement, 5–10
CONTINUE in, 5–5
Repetitive statements
FOR, 5–6
REPEAT, 5–10
WHILE, 5–12
Reserved word
definition, Glossary–11
Reserved words, 1–5
redefinable, 1–6
RESET procedure, 9–58
initiating delayed device access, 9–21
RESETK procedure, 9–59