FreeBSD/Linux Kernel Cross Reference
sys/include/math.h
1 /* The <math.h> header contains prototypes for mathematical functions. */
2
3 #ifndef _MATH_H
4 #define _MATH_H
5
6 #ifndef _ANSI_H
7 #include <ansi.h>
8 #endif
9
10 #define HUGE_VAL (__huge_val()) /* may be infinity */
11
12 /* Function Prototypes. */
13 _PROTOTYPE( double __huge_val, (void) );
14 _PROTOTYPE( int __IsNan, (double _x) );
15
16 _PROTOTYPE( double acos, (double _x) );
17 _PROTOTYPE( double asin, (double _x) );
18 _PROTOTYPE( double atan, (double _x) );
19 _PROTOTYPE( double atan2, (double _y, double _x) );
20 _PROTOTYPE( double ceil, (double _x) );
21 _PROTOTYPE( double cos, (double _x) );
22 _PROTOTYPE( double cosh, (double _x) );
23 _PROTOTYPE( double exp, (double _x) );
24 _PROTOTYPE( double fabs, (double _x) );
25 _PROTOTYPE( double floor, (double _x) );
26 _PROTOTYPE( double fmod, (double _x, double _y) );
27 _PROTOTYPE( double frexp, (double _x, int *_exp) );
28 _PROTOTYPE( double ldexp, (double _x, int _exp) );
29 _PROTOTYPE( double log, (double _x) );
30 _PROTOTYPE( double log10, (double _x) );
31 _PROTOTYPE( double modf, (double _x, double *_iptr) );
32 _PROTOTYPE( double pow, (double _x, double _y) );
33 _PROTOTYPE( double sin, (double _x) );
34 _PROTOTYPE( double sinh, (double _x) );
35 _PROTOTYPE( double sqrt, (double _x) );
36 _PROTOTYPE( double tan, (double _x) );
37 _PROTOTYPE( double tanh, (double _x) );
38
39 #ifdef _POSIX_SOURCE /* STD-C? */
40 #include <mathconst.h>
41 #endif
42
43 #endif /* _MATH_H */
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