diff options
Diffstat (limited to 'manual/arith.texi')
| -rw-r--r-- | manual/arith.texi | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index 3b060689a9..22819b12f4 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -1337,7 +1337,7 @@ extensions in the same sense. Generally, you should avoid using these functions unless the really fit into the problem you have to to solve. Otherwise it is almost always -better to use @code{sprinf} since it's greater availability (it is an +better to use @code{sprintf} since its greater availability (it is an @w{ISO C} function). @@ -1387,14 +1387,14 @@ The prototype for this function can be found in @file{stdlib.h}. @comment SVID, Unix98 @deftypefun {char *} gcvt (double @var{value}, int @var{ndigit}, char *@var{buf}) The @code{gcvt} function also converts @var{value} to a NUL terminated -string but does in a way similar to the @code{%g} format of -@code{printf}. It also does not use a static buffer but instead uses +string but in a way similar to the @code{%g} format of +@code{sprintf}. It also does not use a static buffer but instead uses the user-provided buffer starting at @var{buf}. It is the user's responsibility to make sure the buffer is long enough to contain the -result. Unlike the @code{ecvt} and @code{fcvt} function @code{gcvt} -includes the sign and the decimal point character (which is determined +result. Unlike the @code{ecvt} and @code{fcvt} functions @code{gcvt} +includes the sign and the decimal point characters (which are determined according to the current locale) in the result. Therefore there are yet -less reasons to use this function instead of @code{printf}. +less reasons to use this function instead of @code{sprintf}. The return value is @var{buf}. @@ -1402,11 +1402,11 @@ The prototype for this function can be found in @file{stdlib.h}. @end deftypefun -All these three functions have in common that they use @code{double} -values as the parameters. Calling these functions using @code{long +All three functions have in common that they use @code{double} +values as parameter. Calling these functions using @code{long double} values would mean a loss of precision due to the implicit rounding. Therefore the GNU C library contains three more functions -with similar semantic which take @code{long double} values. +with similar semantics which take @code{long double} values. @comment stdlib.h @comment GNU @@ -1453,7 +1453,7 @@ is no need for a @code{gcvt_r} function. @deftypefun {char *} ecvt_r (double @var{value}, int @var{ndigit}, int *@var{decpt}, int *@var{sign}, char *@var{buf}, size_t @var{len}) The @code{ecvt_r} function is similar to the @code{ecvt} function except that it places its result into the user-specified buffer starting at -@var{buf}. +@var{buf} with length @var{len}. This function is a GNU extension. The prototype can be found in @file{stdlib.h}. @@ -1464,7 +1464,7 @@ This function is a GNU extension. The prototype can be found in @deftypefun {char *} fcvt_r (double @var{value}, int @var{ndigit}, int @var{decpt}, int *@var{sign}, char *@var{buf}, size_t @var{len}) The @code{fcvt_r} function is similar to the @code{fcvt} function except that it places its result into the user-specified buffer starting at -@var{buf}. +@var{buf} with length @var{len}. This function is a GNU extension. The prototype can be found in @file{stdlib.h}. @@ -1475,7 +1475,7 @@ This function is a GNU extension. The prototype can be found in @deftypefun {char *} qecvt_r (long double @var{value}, int @var{ndigit}, int *@var{decpt}, int *@var{sign}, char *@var{buf}, size_t @var{len}) The @code{qecvt_r} function is similar to the @code{qecvt} function except that it places its result into the user-specified buffer starting at -@var{buf}. +@var{buf} with length @var{len}. This function is a GNU extension. The prototype can be found in @file{stdlib.h}. @@ -1483,10 +1483,10 @@ This function is a GNU extension. The prototype can be found in @comment stdlib.h @comment GNU -@deftypefun {char *} qfcvt (long double @var{value}, int @var{ndigit}, int @var{decpt}, int *@var{sign}, char *@var{buf}, size_t @var{len}) +@deftypefun {char *} qfcvt_r (long double @var{value}, int @var{ndigit}, int @var{decpt}, int *@var{sign}, char *@var{buf}, size_t @var{len}) The @code{qfcvt_r} function is similar to the @code{qfcvt} function except that it places its result into the user-specified buffer starting at -@var{buf}. +@var{buf} with length @var{len}. This function is a GNU extension. The prototype can be found in @file{stdlib.h}. |