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

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

diff --git a/device/lib/pic/libsdcc/fsdiv.c b/device/lib/pic/libsdcc/fsdiv.c
index beb6607d216a8cb8878071b376dca4fee173d355..f4a44e6b7497391601021bcf0211590b91446bfe 100644 (file)
--- a/device/lib/pic/libsdcc/fsdiv.c
+++ b/device/lib/pic/libsdcc/fsdiv.c
@@ -1,106 +1,106 @@
-/*\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: fsdiv.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
-    long l;\r
-  };\r
-\r
-/* divide two floats */\r
-float __fsdiv (float a1, float a2) _FS_REENTRANT\r
-{\r
-  FS_STATIC volatile union float_long fl1, fl2;\r
-  long result;\r
-  unsigned long mask;\r
-  long mant1, mant2;\r
-  int exp ;\r
-  char sign;\r
-\r
-  fl1.f = a1;\r
-  fl2.f = a2;\r
-\r
-  /* subtract exponents */\r
-  exp = EXP (fl1.l) ;\r
-  exp -= EXP (fl2.l);\r
-  exp += EXCESS;\r
-\r
-  /* compute sign */\r
-  sign = SIGN (fl1.l) ^ SIGN (fl2.l);\r
-\r
-  /* divide by zero??? */\r
-  if (!fl2.l)\r
-    {/* return NaN or -NaN */\r
-      fl2.l = 0x7FC00000;\r
-      return (fl2.f);\r
-    }\r
-\r
-  /* numerator zero??? */\r
-  if (!fl1.l)\r
-    return (0);\r
-\r
-  /* now get mantissas */\r
-  mant1 = MANT (fl1.l);\r
-  mant2 = MANT (fl2.l);\r
-\r
-  /* this assures we have 25 bits of precision in the end */\r
-  if (mant1 < mant2)\r
-    {\r
-      mant1 <<= 1;\r
-      exp--;\r
-    }\r
-\r
-  /* now we perform repeated subtraction of fl2.l from fl1.l */\r
-  mask = 0x1000000;\r
-  result = 0;\r
-  while (mask)\r
-    {\r
-      if (mant1 >= mant2)\r
-       {\r
-         result |= mask;\r
-         mant1 -= mant2;\r
-       }\r
-      mant1 <<= 1;\r
-      mask >>= 1;\r
-    }\r
-\r
-  /* round */\r
-  result += 1;\r
-\r
-  /* normalize down */\r
-  exp++;\r
-  result >>= 1;\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
+/*
+** 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;
+    long l;
+  };
+
+/* divide two floats */
+float __fsdiv (float a1, float a2) _FS_REENTRANT
+{
+  FS_STATIC volatile union float_long fl1, fl2;
+  long result;
+  unsigned long mask;
+  long mant1, mant2;
+  int exp ;
+  char sign;
+
+  fl1.f = a1;
+  fl2.f = a2;
+
+  /* subtract exponents */
+  exp = EXP (fl1.l) ;
+  exp -= EXP (fl2.l);
+  exp += EXCESS;
+
+  /* compute sign */
+  sign = SIGN (fl1.l) ^ SIGN (fl2.l);
+
+  /* divide by zero??? */
+  if (!fl2.l)
+    {/* return NaN or -NaN */
+      fl2.l = 0x7FC00000;
+      return (fl2.f);
+    }
+
+  /* numerator zero??? */
+  if (!fl1.l)
+    return (0);
+
+  /* now get mantissas */
+  mant1 = MANT (fl1.l);
+  mant2 = MANT (fl2.l);
+
+  /* this assures we have 25 bits of precision in the end */
+  if (mant1 < mant2)
+    {
+      mant1 <<= 1;
+      exp--;
+    }
+
+  /* now we perform repeated subtraction of fl2.l from fl1.l */
+  mask = 0x1000000;
+  result = 0;
+  while (mask)
+    {
+      if (mant1 >= mant2)
+       {
+         result |= mask;
+         mant1 -= mant2;
+       }
+      mant1 <<= 1;
+      mask >>= 1;
+    }
+
+  /* round */
+  result += 1;
+
+  /* normalize down */
+  exp++;
+  result >>= 1;
+
+  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);
+}
+