apple OSX i386 compatible

svn path=/trunk/externals/iemlib/; revision=8871

1 files changed, 29 insertions, 40 deletions

diff --git a/iem_mp3/src/iemlib.h b/iem_mp3/src/iemlib.h
index ba62f68..973bfeb 100644
--- a/iem_mp3/src/iemlib.h
+++ b/iem_mp3/src/iemlib.h
@@ -1,7 +1,7 @@
 /* For information on usage and redistribution, and for a DISCLAIMER OF ALL
 * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
 
-iemlib written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
+iemlib written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2007 */
 
 #ifndef __IEMLIB_H__
 #define __IEMLIB_H__
@@ -15,8 +15,13 @@ iemlib written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 *
 #define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI)
 #define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA)
 
+/* now miller's code starts : 
+     for 4 point interpolation
+     for lookup tables
+     for denormal floats
+ */
 
-#ifdef NT
+#ifdef MSW
 int sys_noloadbang;
 //t_symbol *iemgui_key_sym=0;
 #include <io.h>
@@ -30,76 +35,60 @@ extern int sys_noloadbang;
 #define XTRASAMPS 4
 #define SAMPBLK 4
 
-
 #define UNITBIT32 1572864.  /* 3*2^19; bit 32 has place value 1 */
 
-/* machine-dependent definitions.  These ifdefs really
-should have been by CPU type and not by operating system! */
+    /* machine-dependent definitions.  These ifdefs really
+    should have been by CPU type and not by operating system! */
 #ifdef IRIX
-/* big-endian.  Most significant byte is at low address in memory */
+    /* big-endian.  Most significant byte is at low address in memory */
 #define HIOFFSET 0    /* word offset to find MSB */
 #define LOWOFFSET 1    /* word offset to find LSB */
 #define int32 long  /* a data type that has 32 bits */
-#else
+#endif /* IRIX */
+
 #ifdef MSW
-/* little-endian; most significant byte is at highest address */
+    /* little-endian; most significant byte is at highest address */
 #define HIOFFSET 1
 #define LOWOFFSET 0
 #define int32 long
-#else
-#ifdef __FreeBSD__
+#endif /* MSW */
+
+#if defined(__FreeBSD__) || defined(__APPLE__)
 #include <machine/endian.h>
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define HIOFFSET 1
-#define LOWOFFSET 0
-#else
-#define HIOFFSET 0    /* word offset to find MSB */
-#define LOWOFFSET 1    /* word offset to find LSB */
-#endif /* BYTE_ORDER */
-#include <sys/types.h>
-#define int32 int32_t
 #endif
-#ifdef __linux__
 
+#ifdef __linux__
 #include <endian.h>
+#endif
 
-#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)                         
+#if defined(__unix__) || defined(__APPLE__)
+#if !defined(BYTE_ORDER) || !defined(LITTLE_ENDIAN)                         
 #error No byte order defined                                                    
 #endif                                                                          
 
-#if __BYTE_ORDER == __LITTLE_ENDIAN                                             
+#if BYTE_ORDER == LITTLE_ENDIAN                                             
 #define HIOFFSET 1                                                              
 #define LOWOFFSET 0                                                             
 #else                                                                           
 #define HIOFFSET 0    /* word offset to find MSB */                             
 #define LOWOFFSET 1    /* word offset to find LSB */                            
 #endif /* __BYTE_ORDER */                                                       
-
 #include <sys/types.h>
 #define int32 int32_t
+#endif /* __unix__ or __APPLE__*/
 
-#else
-#ifdef __APPLE__
-#ifdef __BIG_ENDIAN__
-#define HIOFFSET 0    /* word offset to find MSB */
-#define LOWOFFSET 1    /* word offset to find LSB */
-#else
-#define HIOFFSET 1    /* word offset to find MSB */
-#define LOWOFFSET 0    /* word offset to find LSB */
-#endif
-#define int32 int  /* a data type that has 32 bits */
-
-#endif /* __APPLE__ */
-#endif /* __linux__ */
-#endif /* MSW */
-#endif /* SGI */
-
-union tabfudge
+union tabfudge_d
 {
   double tf_d;
   int32 tf_i[2];
 };
 
+union tabfudge_f
+{
+  float tf_f;
+  long  tf_l;
+};
+
 #if defined __i386__ || defined __x86_64__
 #define IEM_DENORMAL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \
 (((*(unsigned int*)&(f))&0x60000000)==0x60000000))