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authorSzabolcs Nagy <nsz@port70.net>2012-11-13 21:54:32 +0100
committerSzabolcs Nagy <nsz@port70.net>2012-11-13 21:54:32 +0100
commit529a8de46cbf6cce525ab25c4532822006502f29 (patch)
tree96eb7a3856ad9280f1b308d67069580ff55d558a /src/math/hypotf.c
parent6d3f1a39c14b12026df84f386875b094e3652990 (diff)
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math: simplify hypot and hypotf using scalbn
this also fixes overflow/underflow raising and excess
precision issues (as those are handled well in scalbn)
Diffstat (limited to 'src/math/hypotf.c')
-rw-r--r--src/math/hypotf.c6
1 files changed, 2 insertions, 4 deletions
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;
 }