From 529a8de46cbf6cce525ab25c4532822006502f29 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Tue, 13 Nov 2012 21:54:32 +0100
Subject: math: simplify hypot and hypotf using scalbn

this also fixes overflow/underflow raising and excess
precision issues (as those are handled well in scalbn)
---
 src/math/hypotf.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'src/math/hypotf.c')

diff --git a/src/math/hypotf.c b/src/math/hypotf.c
index 9fd77e6a..4d80178d 100644
--- a/src/math/hypotf.c
+++ b/src/math/hypotf.c
@@ -80,9 +80,7 @@ float hypotf(float x, float y)
 		t2 = a - t1;
 		w  = sqrtf(t1*y1-(w*(-w)-(t1*y2+t2*b)));
 	}
-	if (k != 0) {
-		SET_FLOAT_WORD(t1, 0x3f800000+(k<<23));
-		return t1*w;
-	}
+	if (k)
+		w = scalbnf(w, k);
 	return w;
 }
-- 
cgit v1.2.1