Stan Math Library
2.20.0
reverse mode automatic differentiation
stan
math
rev
core
operator_minus_equal.hpp
Go to the documentation of this file.
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#ifndef STAN_MATH_REV_CORE_OPERATOR_MINUS_EQUAL_HPP
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#define STAN_MATH_REV_CORE_OPERATOR_MINUS_EQUAL_HPP
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#include <
stan/math/rev/core/var.hpp
>
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#include <
stan/math/rev/core/operator_subtraction.hpp
>
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namespace
stan
{
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namespace
math {
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inline
var
&
var::operator-=
(
const
var
& b) {
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vi_
=
new
internal::subtract_vv_vari
(
vi_
, b.
vi_
);
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return
*
this
;
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}
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inline
var
&
var::operator-=
(
double
b) {
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if
(b == 0.0)
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return
*
this
;
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vi_
=
new
internal::subtract_vd_vari
(
vi_
, b);
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return
*
this
;
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}
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}
// namespace math
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}
// namespace stan
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#endif
stan
Definition:
log_sum_exp.hpp:8
operator_subtraction.hpp
stan::math::var
Independent (input) and dependent (output) variables for gradients.
Definition:
var.hpp:33
stan::math::var::operator-=
var & operator-=(const var &b)
The compound subtract/assignment operator for variables (C++).
Definition:
operator_minus_equal.hpp:10
stan::math::var::vi_
vari * vi_
Pointer to the implementation of this variable.
Definition:
var.hpp:45
stan::math::internal::subtract_vv_vari
Definition:
operator_subtraction.hpp:15
stan::math::internal::subtract_vd_vari
Definition:
operator_subtraction.hpp:30
var.hpp
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