diff options
Diffstat (limited to 'enum.c')
-rw-r--r-- | enum.c | 15 |
1 files changed, 11 insertions, 4 deletions
@@ -634,7 +634,7 @@ ary_inject_op(VALUE ary, VALUE init, VALUE op) ID id; VALUE v, e; long i, n; - double f; + double f, c; if (RARRAY_LEN(ary) == 0) return init == Qundef ? Qnil : init; @@ -686,16 +686,23 @@ ary_inject_op(VALUE ary, VALUE init, VALUE op) rb_method_basic_definition_p(rb_cFloat, idPLUS)) { f = RFLOAT_VALUE(v); sum_float: + c = 0.0; while (1) { + double y, t; e = RARRAY_AREF(ary, i); if (RB_FLOAT_TYPE_P(e)) - f += RFLOAT_VALUE(e); + y = RFLOAT_VALUE(e) - c; else if (FIXNUM_P(e)) - f += FIX2LONG(e); + y = FIX2LONG(e) - c; else if (RB_TYPE_P(e, T_BIGNUM)) - f += rb_big2dbl(e); + y = rb_big2dbl(e) - c; else break; + + t = f + y; + c = (t - f) - y; + f = t; + i++; if (RARRAY_LEN(ary) <= i) return DBL2NUM(f); |