1 files changed, 36 insertions, 7 deletions

diff --git a/softfloat/f64_eq_signaling.c b/softfloat/f64_eq_signaling.c
index 8fd02f4..d7e89a2 100755..100644
--- a/softfloat/f64_eq_signaling.c
+++ b/softfloat/f64_eq_signaling.c
@@ -1,5 +1,38 @@
-// See LICENSE.SoftFloat for license details.
 
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+    this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions, and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+    be used to endorse or promote products derived from this software without
+    specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -18,15 +51,11 @@ bool f64_eq_signaling( float64_t a, float64_t b )
     uiA = uA.ui;
     uB.f = b;
     uiB = uB.ui;
-    if (
-           ( ( expF64UI( uiA ) == 0x7FF ) && fracF64UI( uiA ) )
-        || ( ( expF64UI( uiB ) == 0x7FF ) && fracF64UI( uiB ) )
-    ) {
+    if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) {
         softfloat_raiseFlags( softfloat_flag_invalid );
         return false;
     }
-    return
-        ( uiA == uiB ) || ! ( ( uiA | uiB ) & UINT64_C( 0x7FFFFFFFFFFFFFFF ) );
+    return (uiA == uiB) || ! ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ));
 
 }