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* c.texi: fix typos. 

* fp.texi (Machine Epsilon, Rounding Control):
Don't have text on the same line as @ignore.
This commit is contained in:
Richard Stallman 2024-01-12 17:03:09 -05:00
parent 0bab1e598a
commit 75be1bffe6
3 changed files with 14 additions and 6 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2024-01-12 Richard Stallman <rms@gnu.org>
* c.texi: fix typos.
* fp.texi (Machine Epsilon, Rounding Control):
Don't have text on the same line as @ignore.
2024-01-08 Richard Stallman <rms@gnu.org> 2024-01-08 Richard Stallman <rms@gnu.org>
* c.texi (Unicode Character Codes): Rewrite the initial explanation of * c.texi (Unicode Character Codes): Rewrite the initial explanation of

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c.texi
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@ -731,7 +731,7 @@ provides a value for it to return. @xref{return Statement}.
Calculating @code{fib} using ordinary integers in C works only for Calculating @code{fib} using ordinary integers in C works only for
@var{n} < 47 because the value of @code{fib (47)} is too large to fit @var{n} < 47 because the value of @code{fib (47)} is too large to fit
in type @code{int}. In GNU C, type @code{int} holds 32 bits in type @code{int}. In GNU C, type @code{int} holds 32 bits
(@pxref{Integer Typex}), so the addition operation that tries to add (@pxref{Integer Types}), so the addition operation that tries to add
@code{fib (46)} and @code{fib (45)} cannot deliver the correct result. @code{fib (46)} and @code{fib (45)} cannot deliver the correct result.
This occurrence is called @dfn{integer overflow}. This occurrence is called @dfn{integer overflow}.
@ -933,7 +933,7 @@ examine the value of @code{x} and ignore it. That is not
useful.@footnote{Computing an expression and ignoring the result can useful.@footnote{Computing an expression and ignoring the result can
be useful in peculiar cases. For instance, dereferencing a pointer be useful in peculiar cases. For instance, dereferencing a pointer
and ignoring the value is a way to cause a fault if a pointer value is and ignoring the value is a way to cause a fault if a pointer value is
invalid. @xref{signals}. But you may need to declare the pointer invalid. @xref{Signals}. But you may need to declare the pointer
target @code{volatile} or the dereference may be optimized away. target @code{volatile} or the dereference may be optimized away.
@xref{volatile}.} @xref{volatile}.}
@ -5192,7 +5192,7 @@ int i = 2;
int int
foo (void) foo (void)
{ @{
/* @r{Save global variable @code{i}'s address.} */ /* @r{Save global variable @code{i}'s address.} */
int *global_i = &i; int *global_i = &i;
@ -5202,7 +5202,7 @@ foo (void)
/* @r{Print value of global @code{i} and value of local @code{i}.} */ /* @r{Print value of global @code{i} and value of local @code{i}.} */
printf ("global i: %d\nlocal i: %d\n", *global_i, i); printf ("global i: %d\nlocal i: %d\n", *global_i, i);
return i; return i;
} @}
@end example @end example
Of course, in a real program it would be much cleaner to use different Of course, in a real program it would be much cleaner to use different

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fp.texi
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@ -1151,7 +1151,8 @@ The @code{volatile} qualifier (@pxref{volatile}) is essential on x86
platforms to prevent an optimizing compiler from producing the same platforms to prevent an optimizing compiler from producing the same
value for both bounds. value for both bounds.
@ignore We no longer discuss the double rounding issue. @ignore
We no longer discuss the double rounding issue.
The code also needs to be compiled with the The code also needs to be compiled with the
option @option{-ffloat-store} that prevents use of higher precision option @option{-ffloat-store} that prevents use of higher precision
for the basic operations, because that would introduce double rounding for the basic operations, because that would introduce double rounding
@ -1242,7 +1243,8 @@ macheps (NaN) = nan
Notice that @code{macheps} has a special test for a NaN to prevent an Notice that @code{macheps} has a special test for a NaN to prevent an
infinite loop. infinite loop.
@ignore We no longer discuss double rounding. @ignore
We no longer discuss double rounding.
To ensure that no expressions are evaluated with an intermediate higher To ensure that no expressions are evaluated with an intermediate higher
precision, we can compile with the @option{-fexcess-precision=standard} precision, we can compile with the @option{-fexcess-precision=standard}
option, which tells the compiler that all calculation results, including option, which tells the compiler that all calculation results, including