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5 changes: 5 additions & 0 deletions be/src/vec/functions/math.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -413,7 +413,12 @@ class FunctionNormalCdf : public IFunction {

static bool check_argument(double sd) { return sd > 0; }
static double calculate_cell(double mean, double sd, double v) {
#ifdef __APPLE__
const double sqrt2 = std::sqrt(2);
#else
constexpr double sqrt2 = std::numbers::sqrt2;
#endif

return 0.5 * (std::erf((v - mean) / (sd * sqrt2)) + 1);
}
};
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