Changed code to avoid a warning

8cd11003 · Davis King · 2fb60b52 · 8cd11003
Commit 8cd11003 authored Dec 09, 2014 by Davis King
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Showing with 12 additions and 4 deletions

dlib/simd/simd_check.h dlib/simd/simd_check.h +12 -4

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--- a/dlib/simd/simd_check.h
+++ b/dlib/simd/simd_check.h
@@ -9,10 +9,18 @@
 #ifndef DLIB_DO_NOT_USE_SIMD
    #if defined(_MSC_VER) 
        #ifdef __AVX__
-            #define DLIB_HAVE_SSE2
-            #define DLIB_HAVE_SSE3
-            #define DLIB_HAVE_SSE41
-            #define DLIB_HAVE_AVX
+            #ifndef DLIB_HAVE_SSE2
+                #define DLIB_HAVE_SSE2
+            #endif 
+            #ifndef DLIB_HAVE_SSE3
+                #define DLIB_HAVE_SSE3
+            #endif
+            #ifndef DLIB_HAVE_SSE41
+                #define DLIB_HAVE_SSE41
+            #endif
+            #ifndef DLIB_HAVE_AVX
+                #define DLIB_HAVE_AVX
+            #endif
        #endif
        #if defined(_M_IX86_FP) && _M_IX86_FP >= 2 && !defined(DLIB_HAVE_SSE2)
            #define DLIB_HAVE_SSE2