4 * Mathematical functions.
6 * This file is part of the Mingw32 package.
9 * Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
11 * THIS SOFTWARE IS NOT COPYRIGHTED
13 * This source code is offered for use in the public domain. You may
14 * use, modify or distribute it freely.
16 * This code is distributed in the hope that it will be useful but
17 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
18 * DISCLAIMED. This includes but is not limited to warranties of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
31 #include <msvcrt/crttypes.h>
38 * HUGE_VAL is returned by strtod when the value would overflow the
39 * representation of 'double'. There are other uses as well.
41 * __imp__HUGE is a pointer to the actual variable _HUGE in
42 * MSVCRT.DLL. If we used _HUGE directly we would get a pointer
43 * to a thunk function.
45 * NOTE: The CRTDLL version uses _HUGE_dll instead.
48 extern double* __imp__HUGE;
49 #define HUGE_VAL (*__imp__HUGE)
52 extern double* _HUGE_dll;
53 #define HUGE_VAL (*_HUGE_dll)
67 * Types for the above _exception structure.
70 #define _DOMAIN 1 /* domain error in argument */
71 #define _SING 2 /* singularity */
72 #define _OVERFLOW 3 /* range overflow */
73 #define _UNDERFLOW 4 /* range underflow */
74 #define _TLOSS 5 /* total loss of precision */
75 #define _PLOSS 6 /* partial loss of precision */
78 * Exception types with non-ANSI names for compatibility.
81 #ifndef __STRICT_ANSI__
84 #define DOMAIN _DOMAIN
86 #define OVERFLOW _OVERFLOW
87 #define UNDERFLOW _UNDERFLOW
91 #endif /* Not _NO_OLDNAMES */
92 #endif /* Not __STRICT_ANSI__ */
95 double sin (double x);
96 double cos (double x);
97 double tan (double x);
98 double sinh (double x);
99 double cosh (double x);
100 double tanh (double x);
101 double asin (double x);
102 double acos (double x);
103 double atan (double x);
104 double atan2 (double y, double x);
105 double exp (double x);
106 double log (double x);
107 double log10 (double x);
108 double pow (double x, double y);
109 long double powl (long double x,long double y);
110 double sqrt (double x);
111 double ceil (double x);
112 double floor (double x);
113 double fabs (double x);
114 double ldexp (double x, int n);
115 double frexp (double x, int* exp);
116 double modf (double x, double* ip);
117 long double modfl (long double x,long double* ip);
118 double fmod (double x, double y);
121 #ifndef __STRICT_ANSI__
123 /* Complex number (for cabs) */
126 double x; /* Real part */
127 double y; /* Imaginary part */
130 double _cabs (struct _complex x);
131 double _hypot (double x, double y);
132 double _j0 (double x);
133 double _j1 (double x);
134 double _jn (int n, double x);
135 double _y0 (double x);
136 double _y1 (double x);
137 double _yn (int n, double x);
142 * Non-underscored versions of non-ANSI functions. These reside in
143 * liboldnames.a. Provided for extra portability.
145 double cabs (struct _complex x);
146 double hypot (double x, double y);
147 double j0 (double x);
148 double j1 (double x);
149 double jn (int n, double x);
150 double y0 (double x);
151 double y1 (double x);
152 double yn (int n, double x);
154 #endif /* Not _NO_OLDNAMES */
156 #endif /* Not __STRICT_ANSI__ */
164 double linkme_sin(double x);
165 double linkme_cos(double x);
166 double linkme_tan(double x);
167 double linkme_sinh(double x);
168 double linkme_cosh(double x);
169 double linkme_tanh(double x);
170 double linkme_asin(double x);
171 double linkme_acos(double x);
172 double linkme_atan(double x);
173 double linkme_atan2(double y, double x);
174 double linkme_exp(double x);
175 double linkme_log(double x);
176 double linkme_log10(double x);
177 double linkme_pow(double x, double y);
178 long double linkme_powl(long double x,long double y);
179 double linkme_sqrt(double x);
180 double linkme_ceil(double x);
181 double linkme_floor(double x);
182 double linkme_fabs(double x);
183 double linkme_ldexp(double x, int n);
184 double linkme_frexp(double x, int* exp);
185 double linkme_modf(double x, double* ip);
186 long double linkme_modfl(long double x,long double* ip);
187 double linkme_fmod(double x, double y);
197 #endif /* Not _MATH_H_ */