added "read16" message for the table16

added some prelaminary tabfudge that should make casting faster (LATER)

svn path=/trunk/externals/iem16/; revision=3277

1 files changed, 67 insertions, 1 deletions

diff --git a/src/iem16_table.h b/src/iem16_table.h
index 4810312..98c98cd 100644
--- a/src/iem16_table.h
+++ b/src/iem16_table.h
@@ -17,11 +17,77 @@ typedef struct _table16 {
 
   t_symbol *x_tablename;
   long      x_size;
-  t_iem16_16bit    *x_table; // hold the data
+  t_iem16_16bit    *x_table; /* hold the data */
 
   int x_usedindsp;
+  t_canvas *x_canvas; /* for file i/o */
 } t_table16;
 
 
 EXTERN int table16_getarray16(t_table16*x, int*size,t_iem16_16bit**vec);
 EXTERN void table16_usedindsp(t_table16*x);
+
+
+#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 __win32__
+    /* 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 /* MACOSX */
+#endif /* __linux__ */
+#endif /* MSW */
+#endif /* SGI */
+
+union tabfudge
+{
+    double tf_d;
+    int32 tf_i[2];
+};