From 6d76670e7d970f24212c0e8606e12306f54a2606 Mon Sep 17 00:00:00 2001
From: Ingo Weyrich <heckflosse@users.noreply.github.com>
Date: Sun, 19 Jan 2020 12:02:19 +0100
Subject: [PATCH] sleef.h: Do not convert to double in signf(float)

---
 rtengine/sleef.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtengine/sleef.h b/rtengine/sleef.h
index b7655258b..fc23cbad9 100644
--- a/rtengine/sleef.h
+++ b/rtengine/sleef.h
@@ -929,7 +929,7 @@ __inline float mulsignf(float x, float y) {
     return intBitsToFloat(floatToRawIntBits(x) ^ (floatToRawIntBits(y) & (1 << 31)));
 }
 
-__inline float signf(float d) { return copysign(1, d); }
+__inline float signf(float d) { return std::copysign(1.f, d); }
 __inline float mlaf(float x, float y, float z) { return x * y + z; }
 
 __inline int xisnanf(float x) { return x != x; }