diff options
Diffstat (limited to 'internal/fixnum.h')
| -rw-r--r-- | internal/fixnum.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/internal/fixnum.h b/internal/fixnum.h index a388ddb36a..b78e31460e 100644 --- a/internal/fixnum.h +++ b/internal/fixnum.h @@ -1,25 +1,25 @@ -#ifndef INTERNAL_FIXNUM_H /* -*- C -*- */ +#ifndef INTERNAL_FIXNUM_H /*-*-C-*-vi:se ft=c:*/ #define INTERNAL_FIXNUM_H /** - * @file - * @brief Internal header for Fixnums. - * @author \@shyouhei + * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. + * @brief Internal header for Fixnums. */ -#include "ruby/config.h" /* for HAVE_LONG_LONG */ +#include "ruby/internal/config.h" /* for HAVE_LONG_LONG */ #include <limits.h> /* for CHAR_BIT */ +#include "internal/bits.h" /* for MUL_OVERFLOW_FIXNUM_P */ #include "internal/compilers.h" /* for __has_builtin */ -#include "internal/stdbool.h" /* for bool */ +#include "ruby/internal/stdbool.h" /* for bool */ #include "ruby/intern.h" /* for rb_big_mul */ #include "ruby/ruby.h" /* for RB_FIXABLE */ #if HAVE_LONG_LONG && SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG # define DLONG LONG_LONG # define DL2NUM(x) LL2NUM(x) -#elif defined(HAVE_INT128_T) +#elif defined(HAVE_INT128_T) && !(defined(__OpenBSD__) && defined(__mips64__)) # define DLONG int128_t # define DL2NUM(x) (RB_FIXABLE(x) ? LONG2FIX(x) : rb_int128t2big(x)) VALUE rb_int128t2big(int128_t n); /* in bignum.c */ @@ -61,7 +61,7 @@ rb_fix_plus_fix(VALUE x, VALUE y) * (3) Of course `z = x + (y-1)` may overflow. * At that time true value is * * positive: 0b0 1xxx...1, and z = 0b1xxx...1 - * * nevative: 0b1 0xxx...1, and z = 0b0xxx...1 + * * negative: 0b1 0xxx...1, and z = 0b0xxx...1 * To convert this true value to long, * (a) Use arithmetic shift * * positive: 0b11xxx... |