acos 82 core/MathClass.cpp double MathClass::acos(double x) acos 52 platform/arm/MathUtilsUnix.cpp double MathUtils::acos(double value) acos 56 platform/unix/MathUtilsSolaris.cpp double MathUtils::acos(double value) acos 49 platform/unix/MathUtilsUnix.cpp double MathUtils::acos(double value) acos 104 platform/win32/MathUtilsWin.cpp double MathUtils::acos(double value)