interpreter/preprocessor/faust-0.9.47mr3/architecture/misc.h

   1
   2 #ifndef __misc__
   3 #define __misc__
   4
   5 #include <map>
   6 #include <string.h>
   7 #include <stdlib.h>
   8
   9 // On Intel set FZ (Flush to Zero) and DAZ (Denormals Are Zero)
  10 // flags to avoid costly denormals
  11 #ifdef __SSE__
  12     #include <xmmintrin.h>
  13     #ifdef __SSE2__
  14         #define AVOIDDENORMALS _mm_setcsr(_mm_getcsr() | 0x8040)
  15     #else
  16         #define AVOIDDENORMALS _mm_setcsr(_mm_getcsr() | 0x8000)
  17     #endif
  18 #else
  19     #define AVOIDDENORMALS
  20 #endif
  21
  22 struct XXXX_Meta : std::map<const char*, const char*>
  23 {
  24     void declare (const char* key, const char* value) { (*this)[key]=value; }
  25 };
  26
  27 struct Meta
  28 {
  29     virtual void declare (const char* key, const char* value) = 0;
  30 };
  31
  32 struct MY_Meta : Meta, std::map<const char*, const char*>
  33 {
  34     void declare (const char* key, const char* value) { (*this)[key]=value; }
  35 };
  36
  37 #define max(x,y) (((x)>(y)) ? (x) : (y))
  38 #define min(x,y) (((x)<(y)) ? (x) : (y))
  39
  40 inline int              lsr (int x, int n)              { return int(((unsigned int)x) >> n); }
  41 inline int              int2pow2 (int x)                { int r=0; while ((1<<r)<x) r++; return r; }
  42
  43 long lopt(char *argv[], const char *name, long def)
  44 {
  45         int     i;
  46         for (i = 0; argv[i]; i++) if (!strcmp(argv[i], name)) return atoi(argv[i+1]);
  47         return def;
  48 }
  49
  50 char* lopts(char *argv[], const char *name, char* def)
  51 {
  52         int     i;
  53         for (i = 0; argv[i]; i++) if (!strcmp(argv[i], name)) return argv[i+1];
  54         return def;
  55 }
  56 #endif
  57