Fix for Homebrew. I don't care about another environments. This may be reverted and...

[pf3gnuchains/gcc-fork.git] / libquadmath / quadmath-imp.h

diff --git a/libquadmath/quadmath-imp.h b/libquadmath/quadmath-imp.h
index e46ef8c..db34a92 100644 (file)
--- a/libquadmath/quadmath-imp.h
+++ b/libquadmath/quadmath-imp.h
@@ -1,45 +1,60 @@
+/* GCC Quad-Precision Math Library
+   Copyright (C) 2010, 2011 Free Software Foundation, Inc.
+   Written by Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+This file is part of the libquadmath library.
+Libquadmath is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+Libquadmath is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with libquadmath; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
 #ifndef QUADMATH_IMP_H
 #define QUADMATH_IMP_H
 
 #include <stdint.h>
 #include <stdlib.h>
 #include "quadmath.h"
+#include "config.h"
 
 
-// Prototypes for internal functions
-extern int32_t rem_pio2q (__float128, __float128 *);
-extern void __kernel_sincosq (__float128, __float128, __float128 *, __float128 *, int);
-extern __float128 __kernel_sinq (__float128, __float128, int);
-extern __float128 __kernel_cosq (__float128, __float128);
+/* Prototypes for internal functions.  */
+extern int32_t __quadmath_rem_pio2q (__float128, __float128 *);
+extern void __quadmath_kernel_sincosq (__float128, __float128, __float128 *,
+                                      __float128 *, int);
+extern __float128 __quadmath_kernel_sinq (__float128, __float128, int);
+extern __float128 __quadmath_kernel_cosq (__float128, __float128);
 
 
 
-// Frankly, if you have __float128, you have 64-bit integers, right?
+/* Frankly, if you have __float128, you have 64-bit integers, right?  */
 #ifndef UINT64_C
 # error "No way!"
 #endif
 
 
-// If we don't have macros to know endianess, assume little endian
-#if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
-# define __LITTLE_ENDIAN__ 1
-#endif
-
-
-// Main union type we use to manipulate the floating-point type
+/* Main union type we use to manipulate the floating-point type.  */
 typedef union
 {
   __float128 value;
 
   struct
   {
-#if __BIG_ENDIAN__
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
     unsigned negative:1;
     unsigned exponent:15;
     uint64_t mant_high:48;
     uint64_t mant_low:64;
-#endif
-#if __LITTLE_ENDIAN__
+#else
     uint64_t mant_low:64;
     uint64_t mant_high:48;
     unsigned exponent:15;
@@ -49,11 +64,10 @@ typedef union
 
   struct
   {
-#if __BIG_ENDIAN__
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
     uint64_t high;
     uint64_t low;
-#endif
-#if __LITTLE_ENDIAN__
+#else
     uint64_t low;
     uint64_t high;
 #endif
@@ -61,13 +75,12 @@ typedef union
 
   struct
   {
-#if __BIG_ENDIAN__
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
     uint32_t w0;
     uint32_t w1;
     uint32_t w2;
     uint32_t w3;
-#endif
-#if __LITTLE_ENDIAN__
+#else
     uint32_t w3;
     uint32_t w2;
     uint32_t w1;
@@ -77,14 +90,13 @@ typedef union
 
   struct
   {
-#if __BIG_ENDIAN__
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
     unsigned negative:1;
     unsigned exponent:15;
     unsigned quiet_nan:1;
     uint64_t mant_high:47;
     uint64_t mant_low:64;
-#endif
-#if __LITTLE_ENDIAN__
+#else
     uint64_t mant_low:64;
     uint64_t mant_high:47;
     unsigned quiet_nan:1;
@@ -142,5 +154,13 @@ do {                                   \
 
 #define IEEE854_FLOAT128_BIAS 0x3fff
 
+#define QUADFP_NAN             0
+#define QUADFP_INFINITE                1
+#define QUADFP_ZERO            2
+#define QUADFP_SUBNORMAL       3
+#define QUADFP_NORMAL          4
+#define fpclassifyq(x) \
+  __builtin_fpclassify (QUADFP_NAN, QUADFP_INFINITE, QUADFP_NORMAL, \
+                       QUADFP_SUBNORMAL, QUADFP_ZERO, x)
 
 #endif