--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fuhtark_test/include/ymath.h	Wed Nov 26 21:36:48 2025 +0700
@@ -0,0 +1,52 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
+ */
+#ifndef _YMATH
+#define _YMATH
+#include <yvals.h>
+_C_STD_BEGIN
+_C_LIB_DECL
+
+#pragma pack(push,_CRT_PACKING)
+
+#define _DENORM (-2)
+#define _FINITE (-1)
+#define _INFCODE 1
+#define _NANCODE 2
+
+#define _FE_DIVBYZERO 0x04
+#define _FE_INEXACT 0x20
+#define _FE_INVALID 0x01
+#define _FE_OVERFLOW 0x08
+#define _FE_UNDERFLOW 0x10
+
+typedef union {
+  unsigned short _Word[8];
+  float _Float;
+  double _Double;
+  long double _Long_double;
+} _Dconst;
+
+void __cdecl _Feraise(int);
+_CRTIMP double __cdecl _Cosh(double,double);
+_CRTIMP short __cdecl _Dtest(double *);
+_CRTIMP short __cdecl _Exp(double *,double,short);
+_CRTIMP double __cdecl _Sinh(double,double);
+extern _CRTIMP _Dconst _Denorm,_Hugeval,_Inf,_Nan,_Snan;
+_CRTIMP float __cdecl _FCosh(float,float);
+_CRTIMP short __cdecl _FDtest(float *);
+_CRTIMP short __cdecl _FExp(float *,float,short);
+_CRTIMP float __cdecl _FSinh(float,float);
+extern _CRTIMP _Dconst _FDenorm,_FInf,_FNan,_FSnan;
+_CRTIMP long double __cdecl _LCosh(long double,long double);
+_CRTIMP short __cdecl _LDtest(long double *);
+_CRTIMP short __cdecl _LExp(long double *,long double,short);
+_CRTIMP long double __cdecl _LSinh(long double,long double);
+extern _CRTIMP _Dconst _LDenorm,_LInf,_LNan,_LSnan;
+_END_C_LIB_DECL
+_C_STD_END
+
+#pragma pack(pop)
+#endif