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  /external/opencv/cv/src/
cvsurf.cpp 275 const float sqrt_2 = 1.4142135623730950488016887242097f; local
277 const int RS_PATCH_SZ = 30; // ceil((PATCH_SZ+1)*sqrt_2);
422 float rd = (float)(sz0*sqrt_2*0.5);
423 float alpha1 = (alpha0 - beta0)*sqrt_2*0.5f, beta1 = (alpha0 + beta0)*sqrt_2*0.5f;
  /external/chromium_org/cc/animation/
transform_operations_unittest.cc 850 float sqrt_2 = sqrt(2.f); local
852 -sqrt_2, -sqrt_2, 0.f, sqrt_2, sqrt_2, 0.f);
857 float sizes[] = { 0.f, 0.1f, sqrt_2, 2.f * sqrt_2 };
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