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| author | Konstantin Käfer <mail@kkaefer.com> | 2018-05-29 14:07:32 +0200 |
|---|---|---|
| committer | Konstantin Käfer <mail@kkaefer.com> | 2018-06-04 10:43:21 +0200 |
| commit | d66251234d7c0feb875b9490ca945ee9d43306c1 (patch) | |
| tree | 3c661091edb98ac15a8711e93fde774a5e6e824a /src/mbgl/util/interpolate.cpp | |
| parent | d232a7a6f30927cb7e9107c9357bc53e2b1ae0f9 (diff) | |
| download | qtlocation-mapboxgl-d66251234d7c0feb875b9490ca945ee9d43306c1.tar.gz | |
[core] don't use floating point versions of pow/log
GLIBC 2.27 added new versioned symbols of powf and logf, while the double versions of pow and log remained stable.
Prefer the double version to avoid introducing a dependency on a newer version of GLIBC than strictly necessary.
See https://lists.gnu.org/archive/html/info-gnu/2018-02/msg00000.html
Diffstat (limited to 'src/mbgl/util/interpolate.cpp')
| -rw-r--r-- | src/mbgl/util/interpolate.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mbgl/util/interpolate.cpp b/src/mbgl/util/interpolate.cpp index 066fa9c462..6b5736f15f 100644 --- a/src/mbgl/util/interpolate.cpp +++ b/src/mbgl/util/interpolate.cpp @@ -13,7 +13,8 @@ float interpolationFactor(float base, Range<float> range, float z) { } else if (base == 1.0f) { return zoomProgress / zoomDiff; } else { - return (std::pow(base, zoomProgress) - 1) / (std::pow(base, zoomDiff) - 1); + return (std::pow(static_cast<double>(base), zoomProgress) - 1) / + (std::pow(static_cast<double>(base), zoomDiff) - 1); } } |