Merge pull request #98 from linqiaozhi/master

Fixing compile errors on Windows

Author: linqiaozhi

fast_tsne.R

@@ -96,7 +96,7 @@ fftRtsne <- function(X,
 		     fast_tsne_path = NULL, nthreads = 0, perplexity_list = NULL, 
          get_costs = FALSE, df = 1.0) {
 
-  version_number <- '1.2.0'
+  version_number <- '1.2.1'
 
 	if (is.null(fast_tsne_path)) {
 		if (.Platform$OS.type == "unix") {

fast_tsne.m

@@ -121,7 +121,7 @@
 % IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
 % OF SUCH DAMAGE.
 
-    version_number = '1.2.0';
+    version_number = '1.2.1';
 
     % default parameters and flags 
     p.perplexity = 30;

fast_tsne.py

@@ -169,7 +169,7 @@ def fast_tsne(
         is True.
     """
 
-    version_number = "1.2.0"
+    version_number = "1.2.1"
 
     # X should be a numpy array of 64-bit doubles
     X = np.array(X).astype(float)

src/annoylib.h

@@ -39,7 +39,7 @@ typedef unsigned __int64  uint64_t;
  #ifndef NOMINMAX
   #define NOMINMAX
  #endif
- #include "mman.h"
+ #include "winlibs/mman.h"
  #include <windows.h>
 #else
  #include <sys/mman.h>
@@ -881,7 +881,12 @@ template<typename S, typename T, typename Distance, typename Random>
 
   bool on_disk_build(const char* file, char** error=NULL) {
     _on_disk = true;
-    _fd = open(file, O_RDWR | O_CREAT | O_TRUNC, (int) 0600);
+
+#ifdef _WIN32
+	_fd = _open(file, O_RDWR | O_CREAT | O_TRUNC, (int)0600);
+#else
+	_fd = open(file, O_RDWR | O_CREAT | O_TRUNC, (int)0600);
+#endif
     if (_fd == -1) {
       showUpdate("Error: file descriptor is -1\n");
       if (error) *error = strerror(errno);
@@ -981,7 +986,11 @@ template<typename S, typename T, typename Distance, typename Random>
       return true;
     } else {
       // Delete file if it already exists (See issue #335)
-      unlink(filename);
+#ifdef _WIN32
+		_unlink(filename);
+#else
+		unlink(filename);
+#endif
 
       printf("path: %s\n", filename);
 
@@ -1022,12 +1031,20 @@ template<typename S, typename T, typename Distance, typename Random>
 
   void unload() {
     if (_on_disk && _fd) {
+#ifdef _WIN32
+		_close(_fd);
+#else
       close(_fd);
+#endif
       munmap(_nodes, _s * _nodes_size);
     } else {
       if (_fd) {
         // we have mmapped data
-        close(_fd);
+#ifdef _WIN32
+		  _close(_fd);
+#else
+		  close(_fd);
+#endif
         munmap(_nodes, _n_nodes * _s);
       } else if (_nodes) {
         // We have heap allocated data
@@ -1039,14 +1056,22 @@ template<typename S, typename T, typename Distance, typename Random>
   }
 
   bool load(const char* filename, bool prefault=false, char** error=NULL) {
-    _fd = open(filename, O_RDONLY, (int)0400);
+#ifdef _WIN32
+	  _fd = _open(filename, O_RDONLY, (int)0400);
+#else
+	  _fd = open(filename, O_RDONLY, (int)0400);
+#endif
     if (_fd == -1) {
       showUpdate("Error: file descriptor is -1\n");
       if (error) *error = strerror(errno);
       _fd = 0;
       return false;
     }
-    off_t size = lseek(_fd, 0, SEEK_END);
+#ifdef _WIN32
+	off_t size = _lseek(_fd, 0, SEEK_END);
+#else
+	off_t size = lseek(_fd, 0, SEEK_END);
+#endif
     if (size == -1) {
       showUpdate("lseek returned -1\n");
       if (error) *error = strerror(errno);

src/tsne.cpp

@@ -2038,7 +2038,7 @@ void TSNE::save_data(const char *result_path, double* data, double* costs, int n
 
 
 int main(int argc, char *argv[]) {
-        const char version_number[] =  "1.2.0";
+        const char version_number[] =  "1.2.1";
 	printf("=============== t-SNE v%s ===============\n", version_number);
 
 	// Define some variables

src/winlibs/mman.c

@@ -178,3 +178,28 @@ int munlock(const void *addr, size_t len)
 
     return -1;
 }
+#if !defined(__MINGW32__)
+int ftruncate(int fd, unsigned int size) {
+	if (fd < 0) {
+		errno = EBADF;
+		return -1;
+	}
+
+	HANDLE h = (HANDLE)_get_osfhandle(fd);
+	unsigned int cur = SetFilePointer(h, 0, NULL, FILE_CURRENT);
+	if (cur == ~0 || SetFilePointer(h, size, NULL, FILE_BEGIN) == ~0 || !SetEndOfFile(h)) {
+		int error = GetLastError();
+		switch (GetLastError()) {
+		case ERROR_INVALID_HANDLE:
+			errno = EBADF;
+			break;
+		default:
+			errno = EIO;
+			break;
+		}
+		return -1;
+	}
+
+	return 0;
+}
+#endif

src/winlibs/mman.h

@@ -68,9 +68,15 @@ MMANSHARED_EXPORT int     _mprotect(void *addr, size_t len, int prot);
 MMANSHARED_EXPORT int     msync(void *addr, size_t len, int flags);
 MMANSHARED_EXPORT int     mlock(const void *addr, size_t len);
 MMANSHARED_EXPORT int     munlock(const void *addr, size_t len);
-
+#if !defined(__MINGW32__)
+MMANSHARED_EXPORT int ftruncate(int fd, unsigned int size);
+#endif
 #ifdef __cplusplus
 }
 #endif
 
+
+
+
+
 #endif /*  _SYS_MMAN_H_ */