diff options
Diffstat (limited to 'manual/arith.texi')
| -rw-r--r-- | manual/arith.texi | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index 8ea9508e3e..5607c4cae9 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -588,9 +588,9 @@ In these situation one could use the function @code{__strto@var{XXX}_internal}. @var{XXX} here stands for any of the above forms. All numeric conversion functions (including the functions to process floating-point numbers) have such a counterpart. The -difference to the normal for is the extra argument at the end of the +difference to the normal form is the extra argument at the end of the parameter list. If this value has an non-zero value the handling of -number grouping is enabled. The advantage from using these functions is +number grouping is enabled. The advantage of using these functions is that the @var{tailptr} parameters allow to determine which part of the input is processed. The @code{scanf} functions don't provide this information. The drawback of using these functions is that they are not @@ -678,7 +678,7 @@ number, no conversion is performed. In this case, @code{strtod} returns a value of zero and the value returned in @code{*@var{tailptr}} is the value of @var{string}. -In a locale other than the standard @code{"C"} or @code{"POSIX"} locale, +In a locale other than the standard @code{"C"} or @code{"POSIX"} locales, this function may recognize additional locale-dependent syntax. If the string has valid syntax for a floating-point number but the value @@ -689,7 +689,7 @@ because of underflow, @code{strtod} returns zero. It also sets @code{errno} to @code{ERANGE} if there was overflow or underflow. Since the value zero which is returned in the error case is also a valid -result the user should set the global variable @code{errno} to null +result the user should set the global variable @code{errno} to zero before calling this function. So one can test for failures after the call since all failures set @code{errno} to a non-zero value. @end deftypefun |