Add iact and io for cooling

src/cooling.h

@@ -29,12 +29,16 @@
 
 /* Import the right cooling definition */
 #if defined(COOLING_NONE)
+#include "./cooling/none/cooling_iact.h"
 #include "./cooling/none/cooling.h"
 #elif defined(COOLING_CONST_DU)
+#include "./cooling/const_du/cooling_iact.h"
 #include "./cooling/const_du/cooling.h"
 #elif defined(COOLING_CONST_LAMBDA)
+#include "./cooling/const_lambda/cooling_iact.h"
 #include "./cooling/const_lambda/cooling.h"
 #elif defined(COOLING_GRACKLE)
+#include "./cooling/grackle/cooling_iact.h"
 #include "./cooling/grackle/cooling.h"
 #else
 #error "Invalid choice of cooling function."

src/cooling/grackle/cooling_iact.h

+/*******************************************************************************
+ * This file is part of SWIFT.
+ * Coypright (c) 2016 Matthieu Schaller (matthieu.schaller@durham.ac.uk)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ ******************************************************************************/
+
+#include "part.h"
+
+/**
+ * @brief Density loop
+ */
+__attribute__((always_inline)) INLINE static void cooling_density_iact(
+    float wi, float wj, struct part *pi, struct part *pj) {
+
+  float diff = pi->cooling_data.He_density - pj->cooling_data.He_density;
+
+  pi->cooling_data.He_density += wj * diff;
+  pj->cooling_data.He_density += wi * diff;
+};

src/cooling/grackle/cooling_io.h

+/*******************************************************************************
+ * This file is part of SWIFT.
+ * Coypright (c) 2016 Matthieu Schaller (matthieu.schaller@durham.ac.uk)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ ******************************************************************************/
+
+#include "io_properties.h"
+
+/**
+ * @brief Specifies which particle fields to read from a dataset
+ *
+ * @param parts The particle array.
+ * @param list The list of i/o properties to read.
+ * @param num_fields The number of i/o fields to read.
+ */
+void cooling_read_particles(struct part* parts, struct io_props* list,
+                          int* num_fields) {
+
+  list += *num_fields;
+  *num_fields += 1;
+
+  /* List what we want to read */
+  list[0] = io_make_input_field("HeDensity", FLOAT, 1, OPTIONAL,
+                                UNIT_CONV_DENSITY, parts, cooling_data.He_density);
+
+}
+
+
+/**
+ * @brief Specifies which particle fields to write to a dataset
+ *
+ * @param parts The particle array.
+ * @param list The list of i/o properties to write.
+ * @param num_fields The number of i/o fields to write.
+ */
+void cooling_write_particles(const struct part* parts, struct io_props* list,
+                           int* num_fields) {
+
+  int i = *num_fields;
+  /* List what we want to write */
+  list[i] = io_make_output_field(
+      "HeDensity", FLOAT, 1, UNIT_CONV_DENSITY, parts, cooling_data.He_density);
+  i++;
+
+  *num_fields = i;
+}
+
+
+/**
+ * @brief Writes the current model of SPH to the file
+ * @param h_grpsph The HDF5 group in which to write
+ */
+void writeCoolingFlavor(hid_t h_grpsph) {
+
+  /* Viscosity and thermal conduction */
+  io_write_attribute_s(
+      h_grpsph, "Chemistry Model",
+      "Grackle");
+}

src/cooling_io.h

+/*******************************************************************************
+ * This file is part of SWIFT.
+ * Coypright (c) 2016 Matthieu Schaller (matthieu.schaller@durham.ac.uk)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ ******************************************************************************/
+#ifndef SWIFT_COOLING_IO_H
+#define SWIFT_COOLING_IO_H
+
+/* Config parameters. */
+#include "../config.h"
+
+/* Import the right functions */
+#if defined(COOLING_NONE)
+#include "./cooling/none/cooling_io.h"
+#elif defined(COOLING_CONST_DU)
+#include "./cooling/const_du/cooling_io.h"
+#elif defined(COOLING_CONST_LAMBDA)
+#include "./cooling/const_lambda/cooling_io.h"
+#elif defined(COOLING_GRACKLE)
+#include "./cooling/grackle/cooling_io.h"
+#else
+#error "Invalid choice of cooling function."
+#endif
+
+#endif /* SWIFT_COOLING_IO_H */