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Stan Math Library
2.12.0
reverse mode automatic differentiation
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Class for sums of variables constructed with standard vectors. More...
#include <sum.hpp>
Public Member Functions | |
sum_v_vari (double value, vari **v, size_t length) | |
sum_v_vari (const std::vector< var > &v1) | |
virtual void | chain () |
Apply the chain rule to this variable based on the variables on which it depends. More... | |
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vari (const double x) | |
Construct a variable implementation from a value. More... | |
vari (const double x, bool stacked) | |
virtual | ~vari () |
Throw an illegal argument exception. More... | |
void | init_dependent () |
Initialize the adjoint for this (dependent) variable to 1. More... | |
void | set_zero_adjoint () |
Set the adjoint value of this variable to 0. More... | |
Static Protected Member Functions | |
static double | sum_of_val (const std::vector< var > &v) |
Protected Attributes | |
vari ** | v_ |
size_t | length_ |
Additional Inherited Members | |
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static void * | operator new (size_t nbytes) |
Allocate memory from the underlying memory pool. More... | |
static void | operator delete (void *) |
Delete a pointer from the underlying memory pool. More... | |
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const double | val_ |
The value of this variable. More... | |
double | adj_ |
The adjoint of this variable, which is the partial derivative of this variable with respect to the root variable. More... | |
Class for sums of variables constructed with standard vectors.
There's an extension for Eigen matrices.
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inlineexplicit |
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inlineexplicit |
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inlinevirtual |
Apply the chain rule to this variable based on the variables on which it depends.
The base implementation in this class is a no-op.
Reimplemented from stan::math::vari.
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inlinestaticprotected |