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  /external/webkit/WebCore/platform/graphics/cairo/
PathCairo.cpp 173 double cos_phi = (p1p0.x() * p1p2.x() + p1p0.y() * p1p2.y()) / (p1p0_length * p1p2_length); local
175 if (cos_phi == -1) {
179 if (cos_phi == 1) {
188 float tangent = radius / tan(acos(cos_phi) / 2);
  /external/webkit/WebCore/platform/graphics/qt/
PathQt.cpp 172 double cos_phi = (p1p0.x() * p1p2.x() + p1p0.y() * p1p2.y()) / (p1p0_length * p1p2_length); local
174 if (cos_phi == -1) {
178 if (cos_phi == 1) {
187 float tangent = radius / tan(acos(cos_phi) / 2);

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