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[picodrive.git] / platform / gp2x / uClibc / math_private.h

diff --git a/platform/gp2x/uClibc/math_private.h b/platform/gp2x/uClibc/math_private.h
deleted file mode 100644 (file)
index 134b335..0000000
--- a/platform/gp2x/uClibc/math_private.h
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * from: @(#)fdlibm.h 5.1 93/09/24
- * $Id: math_private.h,v 1.3 2004/02/09 07:10:38 andersen Exp $
- */
-
-#ifndef _MATH_PRIVATE_H_
-#define _MATH_PRIVATE_H_
-
-#include <endian.h>
-#include <sys/types.h>
-
-/* The original fdlibm code used statements like:
-       n0 = ((*(int*)&one)>>29)^1;             * index of high word *
-       ix0 = *(n0+(int*)&x);                   * high word of x *
-       ix1 = *((1-n0)+(int*)&x);               * low word of x *
-   to dig two 32 bit words out of the 64 bit IEEE floating point
-   value.  That is non-ANSI, and, moreover, the gcc instruction
-   scheduler gets it wrong.  We instead use the following macros.
-   Unlike the original code, we determine the endianness at compile
-   time, not at run time; I don't see much benefit to selecting
-   endianness at run time.  */
-
-/* A union which permits us to convert between a double and two 32 bit
-   ints.  */
-
-/*
- * Math on arm is special:
- * For FPA, float words are always big-endian.
- * For VFP, floats words follow the memory system mode.
- */
-
-#if (__BYTE_ORDER == __BIG_ENDIAN) || \
-    (!defined(__VFP_FP__) && (defined(__arm__) || defined(__thumb__)))
-
-typedef union
-{
-  double value;
-  struct
-  {
-    u_int32_t msw;
-    u_int32_t lsw;
-  } parts;
-} ieee_double_shape_type;
-
-#else
-
-typedef union
-{
-  double value;
-  struct
-  {
-    u_int32_t lsw;
-    u_int32_t msw;
-  } parts;
-} ieee_double_shape_type;
-
-#endif
-
-/* Get two 32 bit ints from a double.  */
-
-#define EXTRACT_WORDS(ix0,ix1,d)                               \
-do {                                                           \
-  ieee_double_shape_type ew_u;                                 \
-  ew_u.value = (d);                                            \
-  (ix0) = ew_u.parts.msw;                                      \
-  (ix1) = ew_u.parts.lsw;                                      \
-} while (0)
-
-/* Get the more significant 32 bit int from a double.  */
-
-#define GET_HIGH_WORD(i,d)                                     \
-do {                                                           \
-  ieee_double_shape_type gh_u;                                 \
-  gh_u.value = (d);                                            \
-  (i) = gh_u.parts.msw;                                                \
-} while (0)
-
-/* Get the less significant 32 bit int from a double.  */
-
-#define GET_LOW_WORD(i,d)                                      \
-do {                                                           \
-  ieee_double_shape_type gl_u;                                 \
-  gl_u.value = (d);                                            \
-  (i) = gl_u.parts.lsw;                                                \
-} while (0)
-
-/* Set a double from two 32 bit ints.  */
-
-#define INSERT_WORDS(d,ix0,ix1)                                        \
-do {                                                           \
-  ieee_double_shape_type iw_u;                                 \
-  iw_u.parts.msw = (ix0);                                      \
-  iw_u.parts.lsw = (ix1);                                      \
-  (d) = iw_u.value;                                            \
-} while (0)
-
-/* Set the more significant 32 bits of a double from an int.  */
-
-#define SET_HIGH_WORD(d,v)                                     \
-do {                                                           \
-  ieee_double_shape_type sh_u;                                 \
-  sh_u.value = (d);                                            \
-  sh_u.parts.msw = (v);                                                \
-  (d) = sh_u.value;                                            \
-} while (0)
-
-/* Set the less significant 32 bits of a double from an int.  */
-
-#define SET_LOW_WORD(d,v)                                      \
-do {                                                           \
-  ieee_double_shape_type sl_u;                                 \
-  sl_u.value = (d);                                            \
-  sl_u.parts.lsw = (v);                                                \
-  (d) = sl_u.value;                                            \
-} while (0)
-
-
-#endif /* _MATH_PRIVATE_H_ */