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◆ INV_SQRT_TWO_PI

constexpr double stan::math::INV_SQRT_TWO_PI = boost::math::constants::one_div_root_two_pi<double>()
staticconstexpr

The value of 1 over the square root of 2\pi , 1 / \sqrt{2\pi} .

Definition at line 161 of file constants.hpp.