sync js

quantumlib · Aug 19, 2023 · a840b1b · a840b1b
1 parent 37b8c6f
commit a840b1b
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Showing 5 changed files with 5 additions and 16 deletions.
diff --git a/glue/javascript/common.js.cc b/glue/javascript/common.js.cc
@@ -2,17 +2,6 @@
 
 using namespace stim;
 
-static bool shared_rng_initialized;
-static std::mt19937_64 shared_rng;
-
-std::mt19937_64 &JS_BIND_SHARED_RNG() {
-    if (!shared_rng_initialized) {
-        shared_rng = externally_seeded_rng();
-        shared_rng_initialized = true;
-    }
-    return shared_rng;
-}
-
 uint32_t js_val_to_uint32_t(const emscripten::val &val) {
     double v = val.as<double>();
     double f = floor(v);

diff --git a/glue/javascript/common.js.h b/glue/javascript/common.js.h
@@ -5,8 +5,6 @@
 
 #include "stim/probability_util.h"
 
-std::mt19937_64 &JS_BIND_SHARED_RNG();
-
 template <typename T>
 emscripten::val vec_to_js_array(const std::vector<T> &items) {
     emscripten::val result = emscripten::val::array();

diff --git a/glue/javascript/pauli_string.js.cc b/glue/javascript/pauli_string.js.cc
@@ -21,7 +21,8 @@ ExposedPauliString::ExposedPauliString(const emscripten::val &arg) : pauli_strin
 }
 
 ExposedPauliString ExposedPauliString::random(size_t n) {
-    return ExposedPauliString(PauliString<stim::MAX_BITWORD_WIDTH>::random(n, JS_BIND_SHARED_RNG()));
+    auto rng = externally_seeded_rng();
+    return ExposedPauliString(PauliString<stim::MAX_BITWORD_WIDTH>::random(n, rng));
 }
 
 ExposedPauliString ExposedPauliString::times(const ExposedPauliString &other) const {

diff --git a/glue/javascript/tableau.js.cc b/glue/javascript/tableau.js.cc
@@ -14,7 +14,8 @@ ExposedTableau::ExposedTableau(int n) : tableau(n) {
 }
 
 ExposedTableau ExposedTableau::random(int n) {
-    return ExposedTableau(Tableau<MAX_BITWORD_WIDTH>::random(n, JS_BIND_SHARED_RNG()));
+    auto rng = externally_seeded_rng();
+    return ExposedTableau(Tableau<MAX_BITWORD_WIDTH>::random(n, rng));
 }
 
 ExposedTableau ExposedTableau::from_named_gate(const std::string &name) {

diff --git a/glue/javascript/tableau_simulator.js.cc b/glue/javascript/tableau_simulator.js.cc
@@ -58,7 +58,7 @@ static JsCircuitInstruction args_to_target_pairs(TableauSimulator<MAX_BITWORD_WI
     return result;
 }
 
-ExposedTableauSimulator::ExposedTableauSimulator() : sim(JS_BIND_SHARED_RNG(), 0) {
+ExposedTableauSimulator::ExposedTableauSimulator() : sim(externally_seeded_rng(), 0) {
 }
 
 bool ExposedTableauSimulator::measure(size_t target) {