* Fixed svn:eol-style and svn:keywords properties

[fw/sdcc] / device / lib / pic / libsdcc / fsmul.c

diff --git a/device/lib/pic/libsdcc/fsmul.c b/device/lib/pic/libsdcc/fsmul.c
index 9752800c6cbfc216ebe30d06e50a3a8f7fc7e51d..34279826c506b6bfcb71013bf558d6408f3db849 100644 (file)
--- a/device/lib/pic/libsdcc/fsmul.c
+++ b/device/lib/pic/libsdcc/fsmul.c
@@ -1,86 +1,86 @@
-/*\r
-** libgcc support for software floating point.\r
-** Copyright (C) 1991 by Pipeline Associates, Inc.  All rights reserved.\r
-** Permission is granted to do *anything* you want with this file,\r
-** commercial or otherwise, provided this message remains intact.  So there!\r
-** I would appreciate receiving any updates/patches/changes that anyone\r
-** makes, and am willing to be the repository for said changes (am I\r
-** making a big mistake?).\r
-**\r
-** Pat Wood\r
-** Pipeline Associates, Inc.\r
-** pipeline!phw@motown.com or\r
-** sun!pipeline!phw or\r
-** uunet!motown!pipeline!phw\r
-*/\r
-\r
-/*\r
-** $Id: fsmul.c 3513 2004-10-01 14:49:51Z vrokas $\r
-*/\r
-\r
-/* (c)2000/2001: hacked a little by johan.knol@iduna.nl for sdcc */\r
-\r
-#include <float.h>\r
-\r
-union float_long\r
-  {\r
-    float f;\r
-    unsigned long l;\r
-  };\r
-\r
-/* multiply two floats */\r
-float __fsmul (float a1, float a2) _FS_REENTRANT\r
-{\r
-  FS_STATIC volatile union float_long fl1, fl2;\r
-  unsigned long result;\r
-  int exp;\r
-  char sign;\r
-  \r
-  fl1.f = a1;\r
-  fl2.f = a2;\r
-\r
-  if (!fl1.l || !fl2.l)\r
-    return (0);\r
-\r
-  /* compute sign and exponent */\r
-  sign = SIGN (fl1.l) ^ SIGN (fl2.l);\r
-  exp = EXP (fl1.l) - EXCESS;\r
-  exp += EXP (fl2.l);\r
-\r
-  fl1.l = MANT (fl1.l);\r
-  fl2.l = MANT (fl2.l);\r
-\r
-  /* the multiply is done as one 16x16 multiply and two 16x8 multiples */\r
-  result = (fl1.l >> 8) * (fl2.l >> 8);\r
-  result += ((fl1.l & (unsigned long) 0xFF) * (fl2.l >> 8)) >> 8;\r
-  result += ((fl2.l & (unsigned long) 0xFF) * (fl1.l >> 8)) >> 8;\r
-\r
-  if (0 != (result & SIGNBIT))\r
-    {\r
-      /* round */\r
-      result += 0x80;\r
-      result >>= 8;\r
-    }\r
-  else\r
-    {\r
-      /* round */\r
-      result += 0x40;\r
-      result >>= 7;\r
-      exp--;\r
-    }\r
-\r
-  result &= ~HIDDEN;\r
-\r
-  /* pack up and go home */\r
-  if (exp >= 0x100)\r
-    fl1.l = (sign ? SIGNBIT : 0) | 0x7F800000;\r
-  else if (exp < 0)\r
-    fl1.l = 0;\r
-  else\r
-    fl1.l = PACK (sign ? SIGNBIT : 0 , exp, result);\r
-  return (fl1.f);\r
-}\r
-\r
-\r
-\r
-\r
+/*
+** libgcc support for software floating point.
+** Copyright (C) 1991 by Pipeline Associates, Inc.  All rights reserved.
+** Permission is granted to do *anything* you want with this file,
+** commercial or otherwise, provided this message remains intact.  So there!
+** I would appreciate receiving any updates/patches/changes that anyone
+** makes, and am willing to be the repository for said changes (am I
+** making a big mistake?).
+**
+** Pat Wood
+** Pipeline Associates, Inc.
+** pipeline!phw@motown.com or
+** sun!pipeline!phw or
+** uunet!motown!pipeline!phw
+*/
+
+/*
+** $Id$
+*/
+
+/* (c)2000/2001: hacked a little by johan.knol@iduna.nl for sdcc */
+
+#include <float.h>
+
+union float_long
+  {
+    float f;
+    unsigned long l;
+  };
+
+/* multiply two floats */
+float __fsmul (float a1, float a2) _FS_REENTRANT
+{
+  FS_STATIC volatile union float_long fl1, fl2;
+  unsigned long result;
+  int exp;
+  char sign;
+  
+  fl1.f = a1;
+  fl2.f = a2;
+
+  if (!fl1.l || !fl2.l)
+    return (0);
+
+  /* compute sign and exponent */
+  sign = SIGN (fl1.l) ^ SIGN (fl2.l);
+  exp = EXP (fl1.l) - EXCESS;
+  exp += EXP (fl2.l);
+
+  fl1.l = MANT (fl1.l);
+  fl2.l = MANT (fl2.l);
+
+  /* the multiply is done as one 16x16 multiply and two 16x8 multiples */
+  result = (fl1.l >> 8) * (fl2.l >> 8);
+  result += ((fl1.l & (unsigned long) 0xFF) * (fl2.l >> 8)) >> 8;
+  result += ((fl2.l & (unsigned long) 0xFF) * (fl1.l >> 8)) >> 8;
+
+  if (0 != (result & SIGNBIT))
+    {
+      /* round */
+      result += 0x80;
+      result >>= 8;
+    }
+  else
+    {
+      /* round */
+      result += 0x40;
+      result >>= 7;
+      exp--;
+    }
+
+  result &= ~HIDDEN;
+
+  /* pack up and go home */
+  if (exp >= 0x100)
+    fl1.l = (sign ? SIGNBIT : 0) | 0x7F800000;
+  else if (exp < 0)
+    fl1.l = 0;
+  else
+    fl1.l = PACK (sign ? SIGNBIT : 0 , exp, result);
+  return (fl1.f);
+}
+
+
+
+