NMRRWSims/cpp
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add shell script

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This commit is contained in:
Dominik Demuth 2024-11-04 18:09:25 +01:00
parent 8ef0b81820
commit 97742b36cd
5 changed files with 18 additions and 25 deletions
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2
CMakeLists.txt
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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.28) cmake_minimum_required(VERSION 3.18)
project(rwsim) project(rwsim)
set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD 17)

10
build.sh Normal file
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@ -0,0 +1,10 @@
mkdir build
cd build
cmake ..
cmake --build .
cd ..
python test.py

18
config.txt
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@ -1,5 +1,5 @@
# Simulation part # Simulation part
num_walker=20000 num_walker=50000
# Motion model part # Motion model part
delta=161e3 delta=161e3
eta=0.0 eta=0.0
@ -19,19 +19,3 @@ tmix_start=1e-5
tmix_stop=1e1 tmix_stop=1e1
tmix_steps=61 tmix_steps=61
tau=0.001 tau=0.001
tau=0.001
tau=0.001
tau=0.001
tau=0.001
tau=0.001
tau=0.01
tau=0.0031622776601683794
tau=0.001
tau=0.00031622776601683794
tau=0.0001
tau=3.1622776601683795e-05
tau=1e-05
tau=3.162277660168379e-06
tau=1e-06
tau=3.162277660168379e-07
tau=1e-07

8
main.cpp
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@ -24,18 +24,16 @@ int main (const int argc, char *argv[]) {
std::unordered_map parameter { read_parameter(args.parameter_file) }; std::unordered_map parameter { read_parameter(args.parameter_file) };
std::random_device rd; std::random_device rd;
std::mt19937_64 rng(rd()); std::mt19937_64 rng(rd());
// auto motion = BimodalAngle(1, 1, 2, 30, 0.98, rng); // auto motion = BimodalAngle(1, 1, 2, 30, 0.98, rng);
// auto motion = TetrahedralJump(rng); // auto motion = TetrahedralJump(rng);
// auto motion = RandomJump(rng); // auto motion = RandomJump(rng);
auto motion = SmallAngle(1, 1, 1, rng); auto motion = SmallAngle(1, 1, 20, rng);
// auto dist = DeltaDistribution(rng); auto dist = DeltaDistribution(rng);
auto dist = LogNormalDistribution(1, 2, rng); // auto dist = LogNormalDistribution(1, 2, rng);
if (args.spectrum) { if (args.spectrum) {

5
test.py
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@ -8,9 +8,10 @@ import matplotlib.pyplot as plt
def run_sims(taus): def run_sims(taus):
for tau in taus: for tau in taus:
print('tau')
with pathlib.Path('./config.txt').open('a') as f: with pathlib.Path('./config.txt').open('a') as f:
f.write(f'tau={tau}\n') f.write(f'tau={tau}\n')
subprocess.run(['./cmake-build-debug/rwsim', '-ste', './config.txt']) subprocess.run(['./build/rwsim', '-ste', './config.txt'])
def dampening(x: np.ndarray, apod: float) -> np.ndarray: def dampening(x: np.ndarray, apod: float) -> np.ndarray:
@ -84,7 +85,7 @@ def post_process_ste(taus):
if __name__ == '__main__': if __name__ == '__main__':
tau_values = np.logspace(-3, -2, 1) tau_values = np.logspace(-2, -6, 1)
lb = 2e3 lb = 2e3
pulse_length = 2e-6 pulse_length = 2e-6