fmath_init is automatically called on Windows as well.

include/fmath.h

@@ -10,7 +10,7 @@
 extern "C" {
 #endif
 
-void fmath_init(); // select AVX-512 functions if it is available
+void fmath_init(); // select AVX-512 functions if it is available (This function is automatically called.)
 
 void fmath_expf_v_avx512(float *dst, const float *src, size_t n);
 void fmath_logf_v_avx512(float *dst, const float *src, size_t n);
@@ -28,11 +28,6 @@ extern void (*fmath_logf_v)(float *dst, const float *src, size_t n);
 #ifdef __cplusplus
 namespace fmath {
 
-inline void init()
-{
-	fmath_init();
-}
-
 inline void expf_v(float *dst, const float *src, size_t n)
 {
 	fmath_expf_v(dst, src, n);

readme.md

@@ -26,8 +26,6 @@ const size_t n = 1000;
 float src[n] = {1.0f, 2.0f, 3.0f, /* ... */};
 float dst[n];
 
-fmath_init();  // Required initialization on Windows (It is automatically called on Linux)
-
 // Calculate natural logarithm for array
 fmath_logf_v(dst, src, n);  // dst[i] = log(src[i])
 

src/cpu.cpp

@@ -29,3 +29,7 @@ void ATTRIBUTE fmath_init()
 
 }
 
+#ifdef _MSC_VER
+#pragma section(".CRT$XCU", read)
+__declspec(allocate(".CRT$XCU")) void(*fmath_init_ptr)() = fmath_init;
+#endif