atan 92 core/MathClass.cpp double MathClass::atan(double x) atan 62 platform/arm/MathUtilsUnix.cpp double MathUtils::atan(double value) atan 74 platform/unix/MathUtilsSolaris.cpp double MathUtils::atan(double value) atan 59 platform/unix/MathUtilsUnix.cpp double MathUtils::atan(double value) atan 122 platform/win32/MathUtilsWin.cpp double MathUtils::atan(double value)