sk_util.h

   1 /* Apache 2.0 INS-AMU 2015 */
   2
   3 #ifndef SK_UTIL_H
   4 #define SK_UTIL_H
   5
   6 #ifdef SKDEBUG
   7 #include "stdio.h"
   8 #endif
   9
  10 #include "randomkit.h"
  11
  12 /* sk_restrict should be used anywhere a function takes two or more
  13  * pointer arguments with same type:
  14  * http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html
  15  * http://stackoverflow.com/a/5948101/5536371
  16  */
  17 #if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
  18 #   define sk_restrict __restrict
  19 #elif defined(_MSC_VER) && _MSC_VER >= 1400
  20 #   define sk_restrict __restrict
  21 #else
  22 #   define sk_restrict
  23 #endif
  24
  25 int sk_util_uniqi(const int n,
  26                   const int * sk_restrict ints,
  27                   int * sk_restrict nuniq,
  28                   int ** sk_restrict uints);
  29
  30 int sk_util_fill_gauss(rk_state *rng, int nx, double *x);
  31
  32 #ifdef SKDEBUG
  33 #define SK_MALLOCHECK(ptr) \
  34         if ((ptr)==NULL) \
  35                 fprintf(stderr, "[sk_util] NULL malloc at %s:%d `%s'\n", __FILE__, __LINE__, #ptr);
  36 #else
  37 #define SK_MALLOCHECK(ptr)  ptr
  38 #endif
  39
  40
  41 #endif