diff --git a/src/tests/catch_test_alphaig.cxx b/src/tests/catch_test_alphaig.cxx
index c19d24e749c521546bd06c39cb0b819c59b4521c..b541e8810b364faadfc66d637865f312ef4133f3 100644
--- a/src/tests/catch_test_alphaig.cxx
+++ b/src/tests/catch_test_alphaig.cxx
@@ -9,55 +9,55 @@ using Catch::Approx;
 using namespace teqp;
 
 TEST_CASE("Simplest case","[alphaig]") {
-	double a_1 = 1, a_2 = 2, T = 300;
-	nlohmann::json j0 = nlohmann::json::array();
-	j0.push_back({ {"type", "Lead"}, { "a_1", 1 }, { "a_2", 2 } });
-	nlohmann::json j = nlohmann::json::array();
-	j.push_back(j0);
-	IdealHelmholtz ih(j);
-	std::valarray<double> molefrac{1.0};
-	REQUIRE(ih.alphaig(T, 1, molefrac) == log(1) + a_1 + a_2 / T);
+    double a_1 = 1, a_2 = 2, T = 300;
+    nlohmann::json j0 = nlohmann::json::array();
+    j0.push_back({ {"type", "Lead"}, { "a_1", 1 }, { "a_2", 2 } });
+    nlohmann::json j = nlohmann::json::array();
+    j.push_back(j0);
+    IdealHelmholtz ih(j);
+    std::valarray<double> molefrac{1.0};
+    REQUIRE(ih.alphaig(T, 1, molefrac) == log(1) + a_1 + a_2 / T);
 }
 
 TEST_CASE("alphaig derivative", "[alphaig]") {
-	double a_1 = 1, a_2 = 2, T = 300, rho = 1;
-	nlohmann::json j0 = nlohmann::json::array();
-	j0.push_back({ {"type", "Lead"}, { "a_1", 1 }, { "a_2", 2 } }); // For the first component
-	nlohmann::json j = nlohmann::json::array();
-	j.push_back(j0);
-	IdealHelmholtz ih(j);
-	auto molefrac = (Eigen::ArrayXd(1) << 1.0).finished();
-	auto wih = AlphaCallWrapper<1, decltype(ih)>(ih);
-	wih.alpha(T, rho, molefrac);
-	using tdx = TDXDerivatives<decltype(ih), double, Eigen::ArrayXd>;
-	SECTION("All cross derivatives should be zero") {
-		REQUIRE(tdx::get_Agenxy<1, 1, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
-		REQUIRE(tdx::get_Agenxy<1, 2, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
-		REQUIRE(tdx::get_Agenxy<1, 3, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
-		REQUIRE(tdx::get_Agenxy<2, 1, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
-		REQUIRE(tdx::get_Agenxy<2, 2, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
-		REQUIRE(tdx::get_Agenxy<2, 3, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
-	}
+    double a_1 = 1, a_2 = 2, T = 300, rho = 1;
+    nlohmann::json j0 = nlohmann::json::array();
+    j0.push_back({ {"type", "Lead"}, { "a_1", 1 }, { "a_2", 2 } }); // For the first component
+    nlohmann::json j = nlohmann::json::array();
+    j.push_back(j0);
+    IdealHelmholtz ih(j);
+    auto molefrac = (Eigen::ArrayXd(1) << 1.0).finished();
+    auto wih = AlphaCallWrapper<1, decltype(ih)>(ih);
+    wih.alpha(T, rho, molefrac);
+    using tdx = TDXDerivatives<decltype(ih), double, Eigen::ArrayXd>;
+    SECTION("All cross derivatives should be zero") {
+        REQUIRE(tdx::get_Agenxy<1, 1, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
+        REQUIRE(tdx::get_Agenxy<1, 2, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
+        REQUIRE(tdx::get_Agenxy<1, 3, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
+        REQUIRE(tdx::get_Agenxy<2, 1, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
+        REQUIRE(tdx::get_Agenxy<2, 2, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
+        REQUIRE(tdx::get_Agenxy<2, 3, ADBackends::autodiff>(wih, T, rho, molefrac) == 0);
+    }
 }
 
 TEST_CASE("Ammonia derivative", "[alphaig][NH3]") {
-	double T = 300, rho = 10;
-	double c0 = 4;
-	double a1 = -6.59406093943886, a2 = 5.60101151987913;
-	double Tcrit = 405.56, rhocrit = 13696.0;
-	std::valarray<double> n = { 2.224, 3.148, 0.9579 }, theta = { 1646, 3965, 7231 };
+    double T = 300, rho = 10;
+    double c0 = 4;
+    double a1 = -6.59406093943886, a2 = 5.60101151987913;
+    double Tcrit = 405.56, rhocrit = 13696.0;
+    std::valarray<double> n = { 2.224, 3.148, 0.9579 }, theta = { 1646, 3965, 7231 };
 
-	using o = nlohmann::json::object_t;
-	nlohmann::json j = { {
-		  o{ {"type", "Lead"}, { "a_1", a1 - log(rhocrit)  }, { "a_2", a2 * Tcrit } },
-		  o{ {"type", "LogT"}, { "a", -(c0 - 1) } },
-		  o{ {"type", "Constant"}, { "a", (c0 - 1) * log(Tcrit) } }, // Term from ln(tau)
-		  o{ {"type", "PlanckEinstein"}, { "n",  n}, {"theta", theta}}
-	} };
-	IdealHelmholtz ih(j);
-	auto molefrac = (Eigen::ArrayXd(1) << 1.0).finished();
-	auto wih = AlphaCallWrapper<1, decltype(ih)>(ih);
-	auto calc = wih.alpha(T, rho, molefrac);
-	auto expected = -5.3492909452728545;
-	REQUIRE(calc == Approx(expected));
+    using o = nlohmann::json::object_t;
+    nlohmann::json j = { {
+          o{ {"type", "Lead"}, { "a_1", a1 - log(rhocrit)  }, { "a_2", a2 * Tcrit } },
+          o{ {"type", "LogT"}, { "a", -(c0 - 1) } },
+          o{ {"type", "Constant"}, { "a", (c0 - 1) * log(Tcrit) } }, // Term from ln(tau)
+          o{ {"type", "PlanckEinstein"}, { "n",  n}, {"theta", theta}}
+    } };
+    IdealHelmholtz ih(j);
+    auto molefrac = (Eigen::ArrayXd(1) << 1.0).finished();
+    auto wih = AlphaCallWrapper<1, decltype(ih)>(ih);
+    auto calc = wih.alpha(T, rho, molefrac);
+    auto expected = -5.3492909452728545;
+    REQUIRE(calc == Approx(expected));
 }
\ No newline at end of file
diff --git a/src/tests/catch_test_ammonia_water.cxx b/src/tests/catch_test_ammonia_water.cxx
index 0f17cbc0b4c97c336b2337b7914cdb59a66e5d4f..26a35a5155dd68215d014fc890863b468fbd91a1 100644
--- a/src/tests/catch_test_ammonia_water.cxx
+++ b/src/tests/catch_test_ammonia_water.cxx
@@ -10,58 +10,58 @@ using Catch::Approx;
 using namespace teqp;
 
 TEST_CASE("Trace critical curve w/ Tillner-Roth", "[NHfty3H2O]") {
-	auto model = AmmoniaWaterTillnerRoth();
-	auto z = (Eigen::ArrayXd(2) <<  0.7, 0.3).finished();
-	auto Ar01 = teqp::TDXDerivatives<decltype(model)>::get_Ar01(model, 300, 300, z);
+    auto model = AmmoniaWaterTillnerRoth();
+    auto z = (Eigen::ArrayXd(2) <<  0.7, 0.3).finished();
+    auto Ar01 = teqp::TDXDerivatives<decltype(model)>::get_Ar01(model, 300, 300, z);
 
-	double T0 = 405.40;
-	auto rhovec0 = (Eigen::ArrayXd(2) << 225/0.01703026, 0).finished();
-	auto prc0 = IsochoricDerivatives<decltype(model)>::get_pr(model, T0, rhovec0);
-	auto pig0 = rhovec0.sum() * model.R(rhovec0/rhovec0.sum())*T0;
-	REQUIRE(prc0 + pig0 == Approx(11.33e6).margin(0.01e6));
+    double T0 = 405.40;
+    auto rhovec0 = (Eigen::ArrayXd(2) << 225/0.01703026, 0).finished();
+    auto prc0 = IsochoricDerivatives<decltype(model)>::get_pr(model, T0, rhovec0);
+    auto pig0 = rhovec0.sum() * model.R(rhovec0/rhovec0.sum())*T0;
+    REQUIRE(prc0 + pig0 == Approx(11.33e6).margin(0.01e6));
 
-	TCABOptions opt; opt.polish = true; opt.integration_order = 1; opt.init_dt = 100;
-	CriticalTracing<decltype(model)>::trace_critical_arclength_binary(model, T0, rhovec0, "TillnerRoth_crit.csv", opt);
+    TCABOptions opt; opt.polish = true; opt.integration_order = 1; opt.init_dt = 100;
+    CriticalTracing<decltype(model)>::trace_critical_arclength_binary(model, T0, rhovec0, "TillnerRoth_crit.csv", opt);
 }
 
 TEST_CASE("Bell et al. REFPROP 10", "[NH3H2O]") {
-	auto model = build_multifluid_model({ "AMMONIA", "WATER" }, "../mycp", "", {{ "estimate","Lorentz-Berthelot" }});
+    auto model = build_multifluid_model({ "AMMONIA", "WATER" }, "../mycp", "", {{ "estimate","Lorentz-Berthelot" }});
 
-	std::string s = R"({
+    std::string s = R"({
         "0": {
             "1": {
                 "BIP": {
                     "betaT": 0.933585,
-					"gammaT": 1.015826,
-					"betaV": 1.044759,
-					"gammaV": 1.189754,
+                    "gammaT": 1.015826,
+                    "betaV": 1.044759,
+                    "gammaV": 1.189754,
                     "Fij": 1.0
                 },
                 "departure":{
-					"type": "Gaussian+Exponential",
-					"n": [-2.00211,3.0813,-1.75352,2.9816,-3.82588,-1.7385,0.42008],
-					"t": [0.25,2.0,0.5,2.0,1.0,4.0,1.0],
-					"d": [1.0,1.0,1.0,1.0,1.0,1.0,3.0],
-					"l": [2.0,1.0,0.0,0.0,0.0,0.0,0.0],
-					"eta": [0.0,0.0,0.0,0.746,4.25,0.7,3.0],
-					"beta": [0.0,0.0,0.27,0.86,3.0,0.5,4.0],
-					"gamma": [0.0,0.0,2.8,1.8,1.5,0.8,1.3],
-					"epsilon": [0.0,0.0,0.0,2.0,-0.25,1.85,0.3],
-					"Npower": 2
+                    "type": "Gaussian+Exponential",
+                    "n": [-2.00211,3.0813,-1.75352,2.9816,-3.82588,-1.7385,0.42008],
+                    "t": [0.25,2.0,0.5,2.0,1.0,4.0,1.0],
+                    "d": [1.0,1.0,1.0,1.0,1.0,1.0,3.0],
+                    "l": [2.0,1.0,0.0,0.0,0.0,0.0,0.0],
+                    "eta": [0.0,0.0,0.0,0.746,4.25,0.7,3.0],
+                    "beta": [0.0,0.0,0.27,0.86,3.0,0.5,4.0],
+                    "gamma": [0.0,0.0,2.8,1.8,1.5,0.8,1.3],
+                    "epsilon": [0.0,0.0,0.0,2.0,-0.25,1.85,0.3],
+                    "Npower": 2
                 }
             }
         }
     })";
-	auto mutant = build_multifluid_mutant(model, nlohmann::json::parse(s));
-	
-	double T0 = model.redfunc.Tc[0];
-	auto rhovec0 = (Eigen::ArrayXd(2) << 1/model.redfunc.vc[0], 0).finished();
-	auto der0 = CriticalTracing<decltype(mutant)>::get_drhovec_dT_crit(mutant, T0, rhovec0);
-	
-	auto prc0 = IsochoricDerivatives<decltype(mutant)>::get_pr(mutant, T0, rhovec0);
-	auto pig0 = rhovec0.sum() * mutant.R(rhovec0 / rhovec0.sum()) * T0;
+    auto mutant = build_multifluid_mutant(model, nlohmann::json::parse(s));
+    
+    double T0 = model.redfunc.Tc[0];
+    auto rhovec0 = (Eigen::ArrayXd(2) << 1/model.redfunc.vc[0], 0).finished();
+    auto der0 = CriticalTracing<decltype(mutant)>::get_drhovec_dT_crit(mutant, T0, rhovec0);
+    
+    auto prc0 = IsochoricDerivatives<decltype(mutant)>::get_pr(mutant, T0, rhovec0);
+    auto pig0 = rhovec0.sum() * mutant.R(rhovec0 / rhovec0.sum()) * T0;
 
-	TCABOptions opt; opt.polish = true; opt.integration_order = 1; opt.init_dt = 100; opt.verbosity = 1000;
+    TCABOptions opt; opt.polish = true; opt.integration_order = 1; opt.init_dt = 100; opt.verbosity = 1000;
 
-	CriticalTracing<decltype(mutant)>::trace_critical_arclength_binary(mutant, T0, rhovec0, "BellREFPROP10_NH3.csv", opt);
+    CriticalTracing<decltype(mutant)>::trace_critical_arclength_binary(mutant, T0, rhovec0, "BellREFPROP10_NH3.csv", opt);
 }
\ No newline at end of file
diff --git a/src/tests/catch_test_mutant.cxx b/src/tests/catch_test_mutant.cxx
index 6f4498eefb336aaf5d4ed83d98bc5901dd12daf4..bc8faf8c8eacf5ef1241ec7cf28b7be37ec11fdc 100644
--- a/src/tests/catch_test_mutant.cxx
+++ b/src/tests/catch_test_mutant.cxx
@@ -12,10 +12,10 @@ using namespace teqp;
 TEST_CASE("Test construction of mutant", "[mutant]")
 {
 
-	std::string coolprop_root = "../mycp";
-	auto BIPcollection = coolprop_root + "/dev/mixtures/mixture_binary_pairs.json";
+    std::string coolprop_root = "../mycp";
+    auto BIPcollection = coolprop_root + "/dev/mixtures/mixture_binary_pairs.json";
 
-	auto model = build_multifluid_model({ "Nitrogen", "Ethane" }, coolprop_root, BIPcollection);
+    auto model = build_multifluid_model({ "Nitrogen", "Ethane" }, coolprop_root, BIPcollection);
 
     std::string s0 = R"({"0": {} })";
     nlohmann::json j0 = nlohmann::json::parse(s0);
@@ -36,7 +36,7 @@ TEST_CASE("Test construction of mutant", "[mutant]")
             }
         }
     })";
-	nlohmann::json j = nlohmann::json::parse(s);
+    nlohmann::json j = nlohmann::json::parse(s);
     auto mutant = build_multifluid_mutant(model, j);
 
     double T = 300, rho = 300;