diff options
Diffstat (limited to 'bignum.c')
| -rw-r--r-- | bignum.c | 34 |
1 files changed, 21 insertions, 13 deletions
@@ -1214,15 +1214,8 @@ rb_big_minus(x, y) } } -/* - * call-seq: - * big * other => Numeric - * - * Multiplies big and other, returning the result. - */ - -VALUE -rb_big_mul(x, y) +static VALUE +rb_big_mul0(x, y) VALUE x, y; { long i, j; @@ -1230,7 +1223,6 @@ rb_big_mul(x, y) VALUE z; BDIGIT *zds; - if (FIXNUM_P(x)) x = rb_int2big(FIX2LONG(x)); switch (TYPE(y)) { case T_FIXNUM: y = rb_int2big(FIX2LONG(y)); @@ -1264,8 +1256,21 @@ rb_big_mul(x, y) zds[i + j] = n; } } + return z; +} - return bignorm(z); +/* + * call-seq: + * big * other => Numeric + * + * Multiplies big and other, returning the result. + */ + +VALUE +rb_big_mul(x, y) + VALUE x, y; +{ + return bignorm(rb_big_mul0(x, y)); } static void @@ -1619,9 +1624,9 @@ rb_big_pow(x, y) if (yy == 0) break; while (yy % 2 == 0) { yy /= 2; - x = rb_big_mul(x, x); + x = rb_big_mul0(x, x); } - z = rb_big_mul(z, x); + z = rb_big_mul0(z, x); } return bignorm(z); } @@ -1979,6 +1984,9 @@ rb_big_coerce(x, y) if (FIXNUM_P(y)) { return rb_assoc_new(rb_int2big(FIX2LONG(y)), x); } + else if (TYPE(y) == T_BIGNUM) { + return rb_assoc_new(y, x); + } else { rb_raise(rb_eTypeError, "can't coerce %s to Bignum", rb_obj_classname(y)); |