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/* 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 - 2012 */
#ifndef __IEMLIB_H__
#define __IEMLIB_H__
#define IS_A_NULL(atom,index) ((atom+index)->a_type == A_NULL)
#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)
#define SETNULL(atom) ((atom)->a_type = A_NULL)
/* now miller's code starts :
for 4 point interpolation
for lookup tables
for denormal floats
*/
#ifdef MSW
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 */
#endif /* IRIX */
#ifdef MSW
/* little-endian; most significant byte is at highest address */
#define HIOFFSET 1
#define LOWOFFSET 0
#define int32 long
#endif /* MSW */
#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__FreeBSD_kernel__)
#include <machine/endian.h>
#endif
#if defined(__linux__) || defined(__CYGWIN__) || defined(__GNU__) || defined(ANDROID)
#include <endian.h>
#endif
#if defined(__unix__) || defined(__APPLE__)
#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
#endif /* __unix__ or __APPLE__*/
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))
/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */
#else
#define IEM_DENORMAL(f) 0
#endif
/* on 64bit systems we cannot use garray_getfloatarray... */
#if ((defined PD_MAJOR_VERSION && defined PD_MINOR_VERSION) && (PD_MAJOR_VERSION > 0 || PD_MINOR_VERSION > 40))
# define iemarray_t t_word
# define iemarray_getarray garray_getfloatwords
# define iemarray_getfloat(pointer, index) (pointer[index].w_float)
# define iemarray_setfloat(pointer, index, fvalue) (pointer[index].w_float = fvalue)
#else
# define iemarray_t t_float
# define iemarray_getarray garray_getfloatarray
# define iemarray_getfloat(pointer, index) (pointer[index])
# define iemarray_setfloat(pointer, index, fvalue) (pointer[index] = fvalue)
#endif
#endif
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