From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Fri, 15 Dec 2017 09:38:53 -0500 Subject: Import newlib and create makefile --- newlib/libc/stdlib/__ten_mu.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 newlib/libc/stdlib/__ten_mu.c (limited to 'newlib/libc/stdlib/__ten_mu.c') diff --git a/newlib/libc/stdlib/__ten_mu.c b/newlib/libc/stdlib/__ten_mu.c new file mode 100644 index 0000000..439c226 --- /dev/null +++ b/newlib/libc/stdlib/__ten_mu.c @@ -0,0 +1,23 @@ +/* + * [atw] multiply 64 bit accumulator by 10 and add digit. + * The KA/CA way to do this should be to use + * a 64-bit integer internally and use "adjust" to + * convert it to float at the end of processing. + */ + +#include <_ansi.h> + +int +_DEFUN (__ten_mul, (acc, digit), + double *acc _AND + int digit) +{ + /* + * [atw] Crude, but effective (at least on a KB)... + */ + + *acc *= 10; + *acc += digit; + + return 0; /* no overflow */ +} -- cgit v1.2.3