Improve Windows build support.

- Use multithreading (works with a sufficiently recent version of
  the Microsoft developer tools / C SDK).
- Detect CPU architecture and use AVX2 or NEON when appropriate.
- Automatically detect python installation path.

1 files changed, 7 insertions, 7 deletions

diff --git a/src/solvers/h48/gendata_h48.h b/src/solvers/h48/gendata_h48.h
index ef8a854..b37bcfb 100644
--- a/src/solvers/h48/gendata_h48.h
+++ b/src/solvers/h48/gendata_h48.h
@@ -3,7 +3,7 @@ STATIC long long gendata_h48_dispatch(
 STATIC uint64_t gendata_h48short(gendata_h48short_arg_t [static 1]);
 STATIC int64_t gendata_h48(gendata_h48_arg_t [static 1]);
 STATIC void gendata_h48_maintable(gendata_h48_arg_t [static 1]);
-STATIC void *gendata_h48_runthread(void *);
+STATIC wrapthread_return_t gendata_h48_runthread(void *);
 
 STATIC_INLINE void gendata_h48_mark(gendata_h48_mark_t [static 1]);
 STATIC_INLINE bool gendata_h48_dfs_stop(
@@ -230,9 +230,9 @@ gendata_h48_maintable(gendata_h48_arg_t arg[static 1])
 
         inext = 0;
         count = 0;
-        wrapthread_mutex_init(&shortcubes_mutex, NULL);
+        wrapthread_mutex_init(&shortcubes_mutex);
         for (i = 0; i < CHUNKS; i++)
-                wrapthread_mutex_init(&table_mutex[i], NULL);
+                wrapthread_mutex_init(&table_mutex[i]);
         for (i = 0; i < THREADS; i++) {
                 dfsarg[i] = (h48_dfs_arg_t){
                         .h = arg->h,
@@ -251,7 +251,7 @@ gendata_h48_maintable(gendata_h48_arg_t arg[static 1])
                         dfsarg[i].table_mutex[ii] = &table_mutex[ii];
 
                 wrapthread_create(
-                    &thread[i], NULL, gendata_h48_runthread, &dfsarg[i]);
+                    &thread[i], gendata_h48_runthread, &dfsarg[i]);
         }
 
         if (NISSY_CANSLEEP) {
@@ -281,7 +281,7 @@ gendata_h48_maintable(gendata_h48_arg_t arg[static 1])
         }
 
         for (i = 0; i < THREADS; i++)
-                wrapthread_join(thread[i], NULL);
+                wrapthread_join(thread[i]);
 
         h48map_destroy(&shortcubes);
 
@@ -291,7 +291,7 @@ gendata_h48_maintable(gendata_h48_arg_t arg[static 1])
         writetableinfo(&arg->info, bufsize, (unsigned char *)arg->h48buf);
 }
 
-STATIC void *
+STATIC wrapthread_return_t 
 gendata_h48_runthread(void *arg)
 {
         uint64_t coord, coordext, coordmin;
@@ -328,7 +328,7 @@ gendata_h48_runthread(void *arg)
                 }
         }
 
-        return NULL;
+        return wrapthread_return_val;
 }
 
 STATIC void