1 #ifndef STAN_MATH_REV_SCAL_FUN_INV_PHI_HPP 2 #define STAN_MATH_REV_SCAL_FUN_INV_PHI_HPP 17 static const double NEG_HALF = -0.5;
fvar< T > inv_Phi(const fvar< T > &p)
The variable implementation base class.
void chain()
Apply the chain rule to this variable based on the variables on which it depends. ...
Independent (input) and dependent (output) variables for gradients.
const double val_
The value of this variable.
const double SQRT_2_TIMES_SQRT_PI
fvar< T > exp(const fvar< T > &x)
vari * vi_
Pointer to the implementation of this variable.
double adj_
The adjoint of this variable, which is the partial derivative of this variable with respect to the ro...