ifdefed denormal-bashing to __i386__

svn path=/trunk/externals/iemlib/; revision=3180

1 files changed, 9 insertions, 102 deletions

diff --git a/src/iem_mp3/iemlib.h b/src/iem_mp3/iemlib.h
index 3319cd1..b25c915 100644
--- a/src/iem_mp3/iemlib.h
+++ b/src/iem_mp3/iemlib.h
@@ -1,102 +1,9 @@
-/* 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 - 2005 */

-

-#ifndef __IEMLIB_H__

-#define __IEMLIB_H__

-

-

-#define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER)

-#define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT)

-#define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL)

-#define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR)

-#define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM)

-#define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI)

-#define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA)

-

-

-#ifdef NT

-int sys_noloadbang;

-//t_symbol *iemgui_key_sym=0;

-#include <io.h>

-#else

-extern int sys_noloadbang;

-//extern t_symbol *iemgui_key_sym;

-#include <unistd.h>

-#endif

-

-#define DEFDELVS 64

-#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! */

-#ifdef IRIX

-/* 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

-#ifdef MSW

-/* little-endian; most significant byte is at highest address */

-#define HIOFFSET 1

-#define LOWOFFSET 0

-#define int32 long

-#else

-#ifdef __FreeBSD__

-#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__

-

-#include <endian.h>

-

-#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)                         

-#error No byte order defined                                                    

-#endif                                                                          

-

-#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

-

-#else

-#ifdef __APPLE__

-#define HIOFFSET 0    /* word offset to find MSB */

-#define LOWOFFSET 1    /* word offset to find LSB */

-#define int32 int  /* a data type that has 32 bits */

-

-#endif /* __APPLE__ */

-#endif /* __linux__ */

-#endif /* MSW */

-#endif /* SGI */

-

-union tabfudge

-{

-  double tf_d;

-  int32 tf_i[2];

-};

-

-#define IEM_DENORMAL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \

-(((*(unsigned int*)&(f))&0x60000000)==0x60000000))

-/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */

-

-#endif

+/* 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 - 2005 */#ifndef __IEMLIB_H__#define __IEMLIB_H__#define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER)#define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT)#define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL)#define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR)#define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM)#define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI)#define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA)#ifdef NTint sys_noloadbang;//t_symbol *iemgui_key_sym=0;#include <io.h>#elseextern int sys_noloadbang;//extern t_symbol *iemgui_key_sym;#include <unistd.h>#endif#define DEFDELVS 64#define XTRASAMPS 4#define SAMPBLK 4#define UNITBIT32 1572864.  /* 3*2^19; bit 32 has place value 1 *//* machine-dependent definitions.  These ifdefs reallyshould have been by CPU type and not by operating system! */#ifdef IRIX/* 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#ifdef MSW/* little-endian; most significant byte is at highest address */#define HIOFFSET 1#define LOWOFFSET 0#define int32 long#else#ifdef __FreeBSD__#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__#include <endian.h>#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)                         #error No byte order defined                                                    #endif                                                                          #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#else#ifdef __APPLE__#define HIOFFSET 0    /* word offset to find MSB */#define LOWOFFSET 1    /* word offset to find LSB */#define int32 int  /* a data type that has 32 bits */#endif /* __APPLE__ */#endif /* __linux__ */#endif /* MSW */#endif /* SGI */union tabfudge{  double tf_d;  int32 tf_i[2];};
+#ifdef __i386__
+#define IEM_DENORMAL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \(((*(unsigned int*)&(f))&0x60000000)==0x60000000))/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */
+
+#else
+
+#define IEM_DENORMAL(f) 0
+
+#endif#endif
\ No newline at end of file