The beginnings of math.h and float.h.
diff --git a/include/msvcrt/math.h b/include/msvcrt/math.h
index 0cba867..9e1233d 100644
--- a/include/msvcrt/math.h
+++ b/include/msvcrt/math.h
@@ -1,10 +1,91 @@
+/*
+ * Math functions.
+ *
+ * Derived from the mingw header written by Colin Peters.
+ * Modified for Wine use by Hans Leidekker.
+ * This file is in the public domain.
+ */
+
#ifndef __WINE_MATH_H
#define __WINE_MATH_H
+#ifndef __WINE_USE_MSVCRT
+#define __WINE_USE_MSVCRT
+#endif
+
+#ifndef MSVCRT
+# ifdef USE_MSVCRT_PREFIX
+# define MSVCRT(x) MSVCRT_##x
+# else
+# define MSVCRT(x) x
+# endif
+#endif
#ifdef __cplusplus
extern "C" {
#endif
+#define _DOMAIN 1 /* domain error in argument */
+#define _SING 2 /* singularity */
+#define _OVERFLOW 3 /* range overflow */
+#define _UNDERFLOW 4 /* range underflow */
+#define _TLOSS 5 /* total loss of precision */
+#define _PLOSS 6 /* partial loss of precision */
+
+#ifndef MSVCRT_EXCEPTION_DEFINED
+#define MSVCRT_EXCEPTION_DEFINED
+struct MSVCRT(_exception)
+{
+ int type;
+ char *name;
+ double arg1;
+ double arg2;
+ double retval;
+};
+#endif /* MSVCRT_EXCEPTION_DEFINED */
+
+#ifndef MSVCRT_COMPLEX_DEFINED
+#define MSVCRT_COMPLEX_DEFINED
+struct MSVCRT(_complex)
+{
+ double x; /* Real part */
+ double y; /* Imaginary part */
+};
+#endif /* MSVCRT_COMPLEX_DEFINED */
+
+double sin(double);
+double cos(double);
+double tan(double);
+double sinh(double);
+double cosh(double);
+double tanh(double);
+double asin(double);
+double acos(double);
+double atan(double);
+double atan2(double, double);
+double exp(double);
+double log(double);
+double log10(double);
+double pow(double, double);
+double sqrt(double);
+double ceil(double);
+double floor(double);
+double fabs(double);
+double ldexp(double, int);
+double frexp(double, int*);
+double modf(double, double*);
+double fmod(double, double);
+
+double hypot(double, double);
+double j0(double);
+double j1(double);
+double jn(int, double);
+double y0(double);
+double y1(double);
+double yn(int, double);
+
+int MSVCRT(_matherr)(struct MSVCRT(_exception)*);
+double MSVCRT(_cabs)(struct MSVCRT(_complex));
+
#ifdef __cplusplus
}
#endif
