pdftops/SplashMath.h

   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