diff options
author | mtklein <mtklein@chromium.org> | 2015-01-09 08:33:36 -0800 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2015-01-09 08:33:36 -0800 |
commit | d0256a2fbcc344a7eabea76a083372260cab0969 (patch) | |
tree | 14c2905e5c42815c88c7219084eeb6ed5c1d7b86 /bench/PictureNestingBench.cpp | |
parent | fcfea99d9d27284f2ef3cb30ba400f53d443a6e6 (diff) |
PictureNestingBench: stay in ints.
BUG=skia:
Review URL: https://codereview.chromium.org/784173004
Diffstat (limited to 'bench/PictureNestingBench.cpp')
-rw-r--r-- | bench/PictureNestingBench.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/bench/PictureNestingBench.cpp b/bench/PictureNestingBench.cpp index 7868f46c9f..a3193e61aa 100644 --- a/bench/PictureNestingBench.cpp +++ b/bench/PictureNestingBench.cpp @@ -14,8 +14,6 @@ #include "SkPictureRecorder.h" #include "SkString.h" -#include <math.h> - class PictureNesting : public Benchmark { public: PictureNesting(const char* name, int maxLevel, int maxPictureLevel) @@ -93,7 +91,13 @@ private: // f(0) = 0 // via "recursive function to closed form" tricks // f(m) = 1/2 (3^m - 1) - return static_cast<int>((pow(3.0, fMaxPictureLevel) - 1.0) / 2.0); + int pics = 1; + for (int i = 0; i < fMaxPictureLevel; i++) { + pics *= 3; + } + pics--; + pics /= 2; + return pics; } SkString fName; |