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compute_verlet_integration.cc
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Created
Sat, Aug 24, 23:12
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1 KB
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text/x-c
Expires
Mon, Aug 26, 23:12 (2 d)
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blob
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Raw Data
Handle
20155602
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R7571 SP4E-TB-TL-FR
compute_verlet_integration.cc
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#include "compute_verlet_integration.hh"
ComputeVerletIntegration
::
ComputeVerletIntegration
(
Real
dt
)
:
dt
(
dt
)
{}
/* -------------------------------------------------------------------------- */
void
ComputeVerletIntegration
::
setDeltaT
(
Real
dt
)
{
this
->
dt
=
dt
;
}
/* -------------------------------------------------------------------------- */
void
ComputeVerletIntegration
::
compute
(
System
&
system
)
{
UInt
size
=
system
.
getNbParticles
();
for
(
auto
&
par
:
system
)
{
par
.
getVelocity
()
+=
.5
*
dt
*
par
.
getForce
()
/
par
.
getMass
();
par
.
getPosition
()
+=
dt
*
par
.
getVelocity
();
}
auto
&
sun
=
system
.
getParticle
(
0
);
sun
.
getPosition
()
=
0
;
for
(
auto
&
interaction
:
interactions
)
interaction
->
compute
(
system
);
for
(
auto
&
par
:
system
)
{
par
.
getVelocity
()
+=
.5
*
dt
*
par
.
getForce
()
/
par
.
getMass
();
}
}
/* -------------------------------------------------------------------------- */
void
ComputeVerletIntegration
::
addInteraction
(
std
::
shared_ptr
<
ComputeInteraction
>
interaction
)
{
interactions
.
push_back
(
interaction
);
}
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