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Diffstat (limited to 'newlib/libc/stdlib/atof.c')
-rw-r--r-- | newlib/libc/stdlib/atof.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/newlib/libc/stdlib/atof.c b/newlib/libc/stdlib/atof.c deleted file mode 100644 index cf4abdb..0000000 --- a/newlib/libc/stdlib/atof.c +++ /dev/null @@ -1,72 +0,0 @@ -/* -FUNCTION - <<atof>>, <<atoff>>---string to double or float - -INDEX - atof -INDEX - atoff - -ANSI_SYNOPSIS - #include <stdlib.h> - double atof(const char *<[s]>); - float atoff(const char *<[s]>); - -TRAD_SYNOPSIS - #include <stdlib.h> - double atof(<[s]>) - char *<[s]>; - - float atoff(<[s]>) - char *<[s]>; - -DESCRIPTION -<<atof>> converts the initial portion of a string to a <<double>>. -<<atoff>> converts the initial portion of a string to a <<float>>. - -The functions parse the character string <[s]>, -locating a substring which can be converted to a floating point -value. The substring must match the format: -. [+|-]<[digits]>[.][<[digits]>][(e|E)[+|-]<[digits]>] -The substring converted is the longest initial -fragment of <[s]> that has the expected format, beginning with -the first non-whitespace character. The substring -is empty if <<str>> is empty, consists entirely -of whitespace, or if the first non-whitespace character is -something other than <<+>>, <<->>, <<.>>, or a digit. - -<<atof(<[s]>)>> is implemented as <<strtod(<[s]>, NULL)>>. -<<atoff(<[s]>)>> is implemented as <<strtodf(<[s]>, NULL)>>. - -RETURNS -<<atof>> returns the converted substring value, if any, as a -<<double>>; or <<0.0>>, if no conversion could be performed. -If the correct value is out of the range of representable values, plus -or minus <<HUGE_VAL>> is returned, and <<ERANGE>> is stored in -<<errno>>. -If the correct value would cause underflow, <<0.0>> is returned -and <<ERANGE>> is stored in <<errno>>. - -<<atoff>> obeys the same rules as <<atof>>, except that it -returns a <<float>>. - -PORTABILITY -<<atof>> is ANSI C. <<atof>>, <<atoi>>, and <<atol>> are subsumed by <<strod>> -and <<strol>>, but are used extensively in existing code. These functions are -less reliable, but may be faster if the argument is verified to be in a valid -range. - -Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, -<<lseek>>, <<read>>, <<sbrk>>, <<write>>. -*/ - - -#include <stdlib.h> -#include <_ansi.h> - -double -_DEFUN (atof, (s), - _CONST char *s) -{ - return strtod (s, NULL); -} |