*/
/*
-=head1 Numeric functions
-
-=cut
This file contains all the stuff needed by perl for manipulating numeric
values, including such things as replacements for the OS's atof() function
NV
Perl_my_atof(pTHX_ const char* s)
{
- /* 's' must be NUL terminated */
+
+/*
+=for apidoc my_atof
+
+L<C<atof>(3)>, but properly works with Perl locale handling, accepting a dot
+radix character always, but also the current locale's radix character if and
+only if called from within the lexical scope of a Perl C<use locale> statement.
+
+N.B. C<s> must be NUL terminated.
+
+=cut
+*/
NV x = 0.0;
/* now apply the sign */
if (negative)
result[2] = -result[2];
-#endif /* USE_PERL_ATOF */
*value = result[2];
return (char *)s;
+#else /* USE_PERL_ATOF */
+ /* If you see this error you both don't have strtod (or configured -Ud_strtod or
+ or it's long double/quadmath equivalent) and disabled USE_PERL_ATOF, thus
+ removing any way for perl to convert strings to floating point numbers.
+ */
+# error No mechanism to convert strings to numbers available
+#endif
}
/*