commit d73cf57deda18f1da3927cb1d8eee2d1eddbd610
parent a6f399bea429efc48db8a6f8cec5e5979c398963
Author: Christophe Coustet <christophe.coustet@meso-star.com>
Date: Thu, 29 Sep 2016 12:20:47 +0200
Add new solver test #3N
Test is based on test #3, with many heliostats concentrating power on the
receiver.
Can be used to benchmark the impact of instances' count both on scene
construction time and on per realisation simulation time.
Diffstat:
2 files changed, 233 insertions(+), 0 deletions(-)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
@@ -157,6 +157,7 @@ if(NOT NO_TEST)
new_test(test_ssol_solver2)
new_test(test_ssol_solver2b)
new_test(test_ssol_solver3)
+ new_test(test_ssol_solver3N)
new_test(test_ssol_solver4)
new_test(test_ssol_solver5)
new_test(test_ssol_sun)
diff --git a/src/test_ssol_solver3N.c b/src/test_ssol_solver3N.c
@@ -0,0 +1,232 @@
+/* Copyright (C) CNRS 2016
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU 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 General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include "ssol.h"
+#include "test_ssol_utils.h"
+#include "test_ssol_materials.h"
+#include "test_ssol_postprocess.h"
+
+#define PLANE_NAME SQUARE
+#define HALF_X 250
+#define HALF_Y 250
+#include "test_ssol_rect_geometry.h"
+
+#define POLYGON_NAME POLY
+#define HALF_X 1
+#define HALF_Y 1
+#include "test_ssol_rect2D_geometry.h"
+
+#include "ssol_solver_c.h"
+#include "ssol_scene_c.h"
+
+#include <rsys/logger.h>
+#include <rsys/double33.h>
+
+#include <star/s3d.h>
+#include <star/ssp.h>
+
+/*******************************************************************************
+* Helper functions
+******************************************************************************/
+struct common {
+ struct ssol_scene* scene;
+ struct ssol_object* m_object;
+ double target[3];
+ double sun_dir[3];
+};
+
+void set_1(struct common* common, const double pos[3]) {
+ struct ssol_instance* heliostat;
+ double transform[12]; /* 3x4 column major matrix */
+ double out_dir[3], axis[3], c, a;
+
+ ASSERT(common);
+ ASSERT(d3_is_normalized(common->sun_dir));
+
+ /* compute rotation axis and angle */
+ d3_set(out_dir, common->target);
+ d3_sub(out_dir, pos, out_dir);
+ d3_normalize(out_dir, out_dir);
+ d3_cross(axis, out_dir, common->sun_dir);
+ /* FIXME: manage the colinear case */
+ d3_normalize(axis, axis);
+ c = d3_dot(out_dir, common->sun_dir);
+ a = acos(c) / 2;
+
+ /* setup transform */
+ d33_rotation_axis_angle(transform, axis, a);
+ d3_set(transform + 9, pos);
+
+ /* create instance and attach it */
+ SSOL(object_instantiate(common->m_object, &heliostat));
+ CHECK(ssol_instance_set_transform(heliostat, transform), RES_OK);
+
+ SSOL(scene_attach_instance(common->scene, heliostat));
+ SSOL(instance_ref_put(heliostat));
+}
+
+/*******************************************************************************
+* Test main program
+******************************************************************************/
+int
+main(int argc, char** argv)
+{
+ struct common common;
+ struct logger logger;
+ struct mem_allocator allocator;
+ struct ssol_device* dev;
+ struct ssp_rng* rng;
+ struct ssol_scene* scene;
+ struct ssol_shape* square;
+ struct ssol_vertex_data attribs[1];
+ struct ssol_shape* quad_square;
+ struct ssol_carving carving;
+ struct ssol_quadric quadric;
+ struct ssol_punched_surface punched;
+ struct ssol_material* m_mtl;
+ struct ssol_material* v_mtl;
+ struct ssol_mirror_shader shader;
+ struct ssol_object* m_object;
+ struct ssol_object* t_object;
+ struct ssol_instance* target;
+ struct ssol_sun* sun;
+ struct ssol_spectrum* spectrum;
+ double sun_dir[3];
+ double target_pos[3];
+ double wavelengths[3] = { 1, 2, 3 };
+ double intensities[3] = { 1, 0.8, 1 };
+ double transform[12]; /* 3x4 column major matrix */
+ FILE* tmp;
+ double m, std;
+ int i, j, k;
+
+ (void) argc, (void) argv;
+
+ mem_init_proxy_allocator(&allocator, &mem_default_allocator);
+
+ CHECK(logger_init(&allocator, &logger), RES_OK);
+ logger_set_stream(&logger, LOG_OUTPUT, log_stream, NULL);
+ logger_set_stream(&logger, LOG_ERROR, log_stream, NULL);
+ logger_set_stream(&logger, LOG_WARNING, log_stream, NULL);
+
+ CHECK(ssol_device_create
+ (&logger, &allocator, SSOL_NTHREADS_DEFAULT, 0, &dev), RES_OK);
+
+ CHECK(ssp_rng_create(&allocator, &ssp_rng_threefry, &rng), RES_OK);
+ CHECK(ssol_spectrum_create(dev, &spectrum), RES_OK);
+ CHECK(ssol_spectrum_setup(spectrum, wavelengths, intensities, 3), RES_OK);
+ CHECK(ssol_sun_create_directional(dev, &sun), RES_OK);
+ SSOL(sun_set_direction(sun, common.sun_dir));
+ d3(sun_dir, 1, 0, -1);
+ d3_normalize(sun_dir, sun_dir);
+ CHECK(ssol_sun_set_direction(sun, sun_dir), RES_OK);
+ CHECK(ssol_sun_set_spectrum(sun, spectrum), RES_OK);
+ CHECK(ssol_sun_set_dni(sun, 1000), RES_OK);
+ CHECK(ssol_scene_create(dev, &scene), RES_OK);
+ CHECK(ssol_scene_attach_sun(scene, sun), RES_OK);
+
+ /* create scene content */
+
+ d3(target_pos, 0, 0, 1000);
+
+ CHECK(ssol_shape_create_mesh(dev, &square), RES_OK);
+ attribs[0].usage = SSOL_POSITION;
+ attribs[0].get = get_position;
+ CHECK(ssol_mesh_setup(square, SQUARE_NTRIS__, get_ids,
+ SQUARE_NVERTS__, attribs, 1, (void*) &SQUARE_DESC__), RES_OK);
+
+ CHECK(ssol_shape_create_punched_surface(dev, &quad_square), RES_OK);
+ carving.get = get_polygon_vertices;
+ carving.operation = SSOL_AND;
+ carving.nb_vertices = POLY_NVERTS__;
+ carving.context = &POLY_EDGES__;
+ quadric.type = SSOL_QUADRIC_PLANE;
+ punched.nb_carvings = 1;
+ punched.quadric = &quadric;
+ punched.carvings = &carving;
+ CHECK(ssol_punched_surface_setup(quad_square, &punched), RES_OK);
+
+ CHECK(ssol_material_create_mirror(dev, &m_mtl), RES_OK);
+ shader.normal = get_shader_normal;
+ shader.reflectivity = get_shader_reflectivity;
+ shader.roughness = get_shader_roughness;
+ CHECK(ssol_mirror_set_shader(m_mtl, &shader), RES_OK);
+ CHECK(ssol_material_create_virtual(dev, &v_mtl), RES_OK);
+
+ CHECK(ssol_object_create(dev, quad_square, m_mtl, v_mtl, &m_object), RES_OK);
+
+ common.scene = scene;
+ d3_set(common.sun_dir, sun_dir);
+ common.m_object = m_object;
+ d3_set(common.target, target_pos);
+
+ /* with too big numbers here, the program will crash... */
+#define NX 40
+#define NY 40
+#define NZ 1
+ for (k = 0; k < NZ; k++) {
+ double pos[3];
+ pos[2] = -k;
+ for (i = 0; i < NX; i++) {
+ pos[0] = -NX + 2. * i;
+ for (j = 0; j < NY; j++) {
+ pos[1] = -NX + 2. * j;
+ set_1(&common, pos);
+ }
+ }
+ }
+
+ d33_rotation_pitch(transform, PI); /* flip faces: invert normal */
+ d3_set(transform + 9, target_pos);
+
+ CHECK(ssol_object_create(dev, square, v_mtl, v_mtl, &t_object), RES_OK);
+ CHECK(ssol_object_instantiate(t_object, &target), RES_OK);
+ CHECK(ssol_instance_set_transform(target, transform), RES_OK);
+ CHECK(ssol_instance_set_receiver(target, "cible", NULL), RES_OK);
+ CHECK(ssol_instance_set_target_mask(target, 0x1, 0), RES_OK);
+ CHECK(ssol_instance_dont_sample(target, 1), RES_OK);
+ CHECK(ssol_scene_attach_instance(scene, target), RES_OK);
+
+ tmp = tmpfile();
+#define N 10000
+ CHECK(ssol_solve(scene, rng, N, tmp), RES_OK);
+ CHECK(pp_sum(tmp, "cible", N, &m, &std), RES_OK);
+ logger_print(&logger, LOG_OUTPUT, "\nP = %g +/- %g\n", m, std);
+#define DNI_cos (1000 * cos(PI / 8))
+ CHECK(eq_eps(m, 4 * NX * NY * NZ * DNI_cos, 4 * NX * NY * NZ * DNI_cos * 2e-1), 1);
+
+ /* free data */
+
+ CHECK(ssol_instance_ref_put(target), RES_OK);
+ CHECK(ssol_object_ref_put(m_object), RES_OK);
+ CHECK(ssol_object_ref_put(t_object), RES_OK);
+ CHECK(ssol_shape_ref_put(square), RES_OK);
+ CHECK(ssol_shape_ref_put(quad_square), RES_OK);
+ CHECK(ssol_material_ref_put(m_mtl), RES_OK);
+ CHECK(ssol_material_ref_put(v_mtl), RES_OK);
+ CHECK(ssol_device_ref_put(dev), RES_OK);
+ CHECK(ssol_scene_ref_put(scene), RES_OK);
+ CHECK(ssp_rng_ref_put(rng), RES_OK);
+ CHECK(ssol_spectrum_ref_put(spectrum), RES_OK);
+ CHECK(ssol_sun_ref_put(sun), RES_OK);
+
+ logger_release(&logger);
+
+ check_memory_allocator(&allocator);
+ mem_shutdown_proxy_allocator(&allocator);
+ CHECK(mem_allocated_size(), 0);
+
+ return 0;
+}
