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2.12.0
reverse mode automatic differentiation
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stan
math
prim
scal
fun
inv_square.hpp
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#ifndef STAN_MATH_PRIM_SCAL_FUN_INV_SQUARE_HPP
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#define STAN_MATH_PRIM_SCAL_FUN_INV_SQUARE_HPP
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namespace
stan
{
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namespace
math {
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inline
double
inv_square
(
const
double
x) {
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return
1.0 / (x * x);
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}
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}
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}
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#endif
stan
Definition:
log_sum_exp.hpp:8
stan::math::inv_square
fvar< T > inv_square(const fvar< T > &x)
Definition:
inv_square.hpp:14
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