diff options
Diffstat (limited to 'manual/arith.texi')
| -rw-r--r-- | manual/arith.texi | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index 11479d618b..0dae46c99b 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -68,7 +68,7 @@ and @dfn{not a number} (NaN). @cindex classes, floating-point @pindex math.h -@w{ISO C 9x} defines macros that let you determine what sort of +@w{ISO C99} defines macros that let you determine what sort of floating-point number a variable holds. @comment math.h @@ -145,7 +145,7 @@ to Another set of floating-point classification functions was provided by BSD. The GNU C library also supports these functions; however, we -recommend that you use the C9x macros in new code. Those are standard +recommend that you use the ISO C99 macros in new code. Those are standard and will be available more widely. Also, since they are macros, you do not have to worry about the type of their argument. @@ -174,7 +174,7 @@ This function returns @code{-1} if @var{x} represents negative infinity, This function returns a nonzero value if @var{x} is a ``not a number'' value, and zero otherwise. -@strong{Note:} The @code{isnan} macro defined by @w{ISO C 9x} overrides +@strong{Note:} The @code{isnan} macro defined by @w{ISO C99} overrides the BSD function. This is normally not a problem, because the two routines behave identically. However, if you really need to get the BSD function for some reason, you can write @@ -407,7 +407,7 @@ You can test whether a floating-point value is infinite by comparing it to this macro. However, this is not recommended; you should use the @code{isfinite} macro instead. @xref{Floating Point Classes}. -This macro was introduced in the @w{ISO C 9X} standard. +This macro was introduced in the @w{ISO C99} standard. @end deftypevr @comment math.h @@ -434,7 +434,7 @@ calculations, unless you explicitly test the sign bit with @node Status bit operations @subsection Examining the FPU status word -@w{ISO C 9x} defines functions to query and manipulate the +@w{ISO C99} defines functions to query and manipulate the floating-point status word. You can use these functions to check for untrapped exceptions when it's convenient, rather than worrying about them in the middle of a calculation. @@ -848,7 +848,7 @@ Most computers use a two's complement integer representation, in which the absolute value of @code{INT_MIN} (the smallest possible @code{int}) cannot be represented; thus, @w{@code{abs (INT_MIN)}} is not defined. -@code{llabs} and @code{imaxdiv} are new to @w{ISO C 9x}. +@code{llabs} and @code{imaxdiv} are new to @w{ISO C99}. @end deftypefun @comment math.h @@ -1271,7 +1271,7 @@ This function is another name for @code{drem}. @cindex FP arithmetic There are some operations that are too complicated or expensive to -perform by hand on floating-point numbers. @w{ISO C 9x} defines +perform by hand on floating-point numbers. @w{ISO C99} defines functions to do these operations, which mostly involve changing single bits. @@ -1380,7 +1380,7 @@ int v = a < 1.0; will raise an exception if @var{a} is NaN. (This does @emph{not} happen with @code{==} and @code{!=}; those merely return false and true, respectively, when NaN is examined.) Frequently this exception is -undesirable. @w{ISO C 9x} therefore defines comparison functions that +undesirable. @w{ISO C99} therefore defines comparison functions that do not raise exceptions when NaN is examined. All of the functions are implemented as macros which allow their arguments to be of any floating-point type. The macros are guaranteed to evaluate their @@ -1545,7 +1545,7 @@ hardware. @pindex complex.h @cindex complex numbers -@w{ISO C 9x} introduces support for complex numbers in C. This is done +@w{ISO C99} introduces support for complex numbers in C. This is done with a new type qualifier, @code{complex}. It is a keyword if and only if @file{complex.h} has been included. There are three complex types, corresponding to the three real types: @code{float complex}, @@ -1634,7 +1634,7 @@ clever compiler to get the same results. @cindex decompose complex numbers @pindex complex.h -@w{ISO C 9x} also defines functions that perform basic operations on +@w{ISO C99} also defines functions that perform basic operations on complex numbers, such as decomposition and conjugation. The prototypes for all these functions are in @file{complex.h}. All functions are available in three variants, one for each of the three complex types. @@ -1821,7 +1821,7 @@ The @code{lldiv} function is like the @code{div} function, but the arguments are of type @code{long long int} and the result is returned as a structure of type @code{lldiv_t}. -The @code{lldiv} function was added in @w{ISO C 9x}. +The @code{lldiv} function was added in @w{ISO C99}. @end deftypefun @comment inttypes.h @@ -1849,7 +1849,7 @@ The @code{imaxdiv} function is like the @code{div} function, but the arguments are of type @code{intmax_t} and the result is returned as a structure of type @code{imaxdiv_t}. -The @code{imaxdiv} function was added in @w{ISO C 9x}. +The @code{imaxdiv} function was added in @w{ISO C99}. @end deftypefun @@ -1969,7 +1969,7 @@ representable because of overflow, @code{strtoll} returns either appropriate for the sign of the value. It also sets @code{errno} to @code{ERANGE} to indicate there was overflow. -The @code{strtoll} function was introduced in @w{ISO C 9x}. +The @code{strtoll} function was introduced in @w{ISO C99}. @end deftypefun @comment stdlib.h @@ -1985,7 +1985,7 @@ The @code{strtoull} function is like @code{strtoul} except that it returns an @code{unsigned long long int}. The value returned on overflow is @code{ULONG_LONG_MAX} (@pxref{Range of Type}). -The @code{strtoull} function was introduced in @w{ISO C 9x}. +The @code{strtoull} function was introduced in @w{ISO C99}. @end deftypefun @comment stdlib.h @@ -2017,7 +2017,7 @@ instead. This function is similar to @code{atol}, except it returns a @code{long long int}. -The @code{atoll} function was introduced in @w{ISO C 9x}. It too is +The @code{atoll} function was introduced in @w{ISO C99}. It too is obsolete (despite having just been added); use @code{strtoll} instead. @end deftypefun @@ -2166,10 +2166,10 @@ examining @var{errno} and @var{tailptr}. @end deftypefun @comment stdlib.h -@comment ISO C +@comment ISO @deftypefun float strtof (const char *@var{string}, char **@var{tailptr}) @comment stdlib.h -@comment ISO C +@comment ISO @deftypefunx {long double} strtold (const char *@var{string}, char **@var{tailptr}) These functions are analogous to @code{strtod}, but return @code{float} and @code{long double} values respectively. They report errors in the @@ -2178,7 +2178,7 @@ than @code{strtod}, but has less precision; conversely, @code{strtold} can be much slower but has more precision (on systems where @code{long double} is a separate type). -These functions have been GNU extensions and are new to @w{ISO C 9x}. +These functions have been GNU extensions and are new to @w{ISO C99}. @end deftypefun @comment stdlib.h |