From a63b9787cf2a0c188d6e923bcd033c1e3c23a424 Mon Sep 17 00:00:00 2001
From: musil <tmusil@users.sourceforge.net>
Date: Thu, 30 Nov 2006 14:57:40 +0000
Subject: initial commit changed float to t_float -fno-strict-aliasing #pragma
 obsolete help-*.pd to *-help.pd

svn path=/trunk/externals/iem/iem_roomsim/; revision=6544
---
 src/iemlib.h | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/iemlib.h

(limited to 'src/iemlib.h')

diff --git a/src/iemlib.h b/src/iemlib.h
new file mode 100644
index 0000000..b895ecf
--- /dev/null
+++ b/src/iemlib.h
@@ -0,0 +1,102 @@
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iemlib.h written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
+
+#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
-- 
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