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#include <_mingw.h>
#define REMATH(x) double __cdecl x( double f ); float x##f(float v) { return x(v); }
REMATH( acos );
REMATH( cos );
REMATH( sin );
REMATH( sqrt );
REMATH( asin );
double __cdecl strtod (const char* str, char** endptr);
float strtof( const char* str, char** endptr)
{
return strtod( str, endptr );
}
double __cdecl atan2(double a, double b);
float atan2f(float a, float b)
{
return atan2( a, b );
}
//From http://stackoverflow.com/questions/40159892/using-asprintf-on-windows
int __cdecl vsprintf_s(
char *buffer,
size_t numberOfElements,
const char *format,
va_list argptr
);
int asprintf(char **strp, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
int r = vasprintf(strp, fmt, ap);
va_end(ap);
return r;
}
int vasprintf(char **strp, const char *fmt, va_list ap) {
// _vscprintf tells you how big the buffer needs to be
int len = _vscprintf(fmt, ap);
if (len == -1) {
return -1;
}
size_t size = (size_t)len + 1;
char *str = (char*)malloc(size);
if (!str) {
return -1;
}
// _vsprintf_s is the "secure" version of vsprintf
int r = vsprintf_s(str, len + 1, fmt, ap);
if (r == -1) {
free(str);
return -1;
}
*strp = str;
return r;
}
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