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Commit | Line | Data |
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ef416fc2 | 1 | //======================================================================== |
2 | // | |
3 | // SplashMath.h | |
4 | // | |
5 | //======================================================================== | |
6 | ||
7 | #ifndef SPLASHMATH_H | |
8 | #define SPLASHMATH_H | |
9 | ||
10 | #include <config.h> | |
11 | #if USE_FIXEDPONT | |
12 | #include "FixedPoint.h" | |
13 | #else | |
14 | #include <math.h> | |
15 | #endif | |
16 | #include "SplashTypes.h" | |
17 | ||
18 | static inline SplashCoord splashAbs(SplashCoord x) { | |
19 | #if USE_FIXEDPOINT | |
20 | return FixedPoint::abs(x); | |
21 | #else | |
22 | return fabs(x); | |
23 | #endif | |
24 | } | |
25 | ||
26 | static inline int splashFloor(SplashCoord x) { | |
27 | #if USE_FIXEDPOINT | |
28 | return FixedPoint::floor(x); | |
29 | #else | |
30 | return (int)floor(x); | |
31 | #endif | |
32 | } | |
33 | ||
34 | static inline int splashCeil(SplashCoord x) { | |
35 | #if USE_FIXEDPOINT | |
36 | return FixedPoint::ceil(x); | |
37 | #else | |
38 | return (int)ceil(x); | |
39 | #endif | |
40 | } | |
41 | ||
42 | static inline int splashRound(SplashCoord x) { | |
43 | #if USE_FIXEDPOINT | |
44 | return FixedPoint::round(x); | |
45 | #else | |
46 | return (int)floor(x + 0.5); | |
47 | #endif | |
48 | } | |
49 | ||
50 | static inline SplashCoord splashSqrt(SplashCoord x) { | |
51 | #if USE_FIXEDPOINT | |
52 | return FixedPoint::sqrt(x); | |
53 | #else | |
54 | return sqrt(x); | |
55 | #endif | |
56 | } | |
57 | ||
58 | static inline SplashCoord splashPow(SplashCoord x, SplashCoord y) { | |
59 | #if USE_FIXEDPOINT | |
60 | return FixedPoint::pow(x, y); | |
61 | #else | |
62 | return pow(x, y); | |
63 | #endif | |
64 | } | |
65 | ||
66 | static inline SplashCoord splashDist(SplashCoord x0, SplashCoord y0, | |
67 | SplashCoord x1, SplashCoord y1) { | |
68 | SplashCoord dx, dy; | |
69 | dx = x1 - x0; | |
70 | dy = y1 - y0; | |
71 | #if USE_FIXEDPOINT | |
72 | return FixedPoint::sqrt(dx * dx + dy * dy); | |
73 | #else | |
74 | return sqrt(dx * dx + dy * dy); | |
75 | #endif | |
76 | } | |
77 | ||
78 | #endif |