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Diffstat (limited to 'qemu/roms/u-boot/lib/ldiv.c')
-rw-r--r-- | qemu/roms/u-boot/lib/ldiv.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/qemu/roms/u-boot/lib/ldiv.c b/qemu/roms/u-boot/lib/ldiv.c deleted file mode 100644 index 8e11333ac..000000000 --- a/qemu/roms/u-boot/lib/ldiv.c +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (C) 1992, 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - * SPDX-License-Identifier: LGPL-2.0+ - */ - -typedef struct { - long quot; - long rem; -} ldiv_t; -/* Return the `ldiv_t' representation of NUMER over DENOM. */ -ldiv_t -ldiv (long int numer, long int denom) -{ - ldiv_t result; - - result.quot = numer / denom; - result.rem = numer % denom; - - /* The ANSI standard says that |QUOT| <= |NUMER / DENOM|, where - NUMER / DENOM is to be computed in infinite precision. In - other words, we should always truncate the quotient towards - zero, never -infinity. Machine division and remainer may - work either way when one or both of NUMER or DENOM is - negative. If only one is negative and QUOT has been - truncated towards -infinity, REM will have the same sign as - DENOM and the opposite sign of NUMER; if both are negative - and QUOT has been truncated towards -infinity, REM will be - positive (will have the opposite sign of NUMER). These are - considered `wrong'. If both are NUM and DENOM are positive, - RESULT will always be positive. This all boils down to: if - NUMER >= 0, but REM < 0, we got the wrong answer. In that - case, to get the right answer, add 1 to QUOT and subtract - DENOM from REM. */ - - if (numer >= 0 && result.rem < 0) - { - ++result.quot; - result.rem -= denom; - } - - return result; -} |