Revert r33407; half-baked patch.

"* numeric.c (ruby_float_step): improve floating point calculations."

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 19 deletions

diff --git a/numeric.c b/numeric.c
index 166dc520de..6d3c1432e8 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1690,25 +1690,10 @@ ruby_float_step(VALUE from, VALUE to, VALUE step, int excl)
 	}
 	else {
 	    if (err>0.5) err=0.5;
-	    if (excl) {
-		if (n>0) {
-		    if (n<err)
-			n = 1;
-		    else
-			n = floor(n - err) + 1;
-		}
-	    } else {
-		n = floor(n + err) + 1;
-	    }
-	    if (end < (n-1)*unit+beg) {
-		for (i=0; i<n; i++) {
-		    rb_yield(DBL2NUM((n-1-i)/(n-1)*beg+i/(n-1)*end));
-		}
-	    }
-	    else {
-		for (i=0; i<n; i++) {
-		    rb_yield(DBL2NUM(i*unit+beg));
-		}
+	    n = floor(n + err);
+	    if (!excl || ((long)n)*unit+beg < end) n++;
+	    for (i=0; i<n; i++) {
+		rb_yield(DBL2NUM(i*unit+beg));
 	    }
 	}
 	return TRUE;