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projcl_test.c
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#include <stdio.h>
#include <math.h>
#include <string.h>
#include <inttypes.h>
#ifdef __APPLE__
#include <OpenCL/opencl.h>
#include <unistd.h>
#else
#include <CL/cl.h>
#endif
#include <sys/time.h>
#include <projcl/projcl.h>
#include <projcl/projcl_warp.h>
#ifdef HAVE_PROJ4
#define ACCEPT_USE_OF_DEPRECATED_PROJ_API_H
#include <proj_api.h>
#endif
#ifndef RAD_TO_DEG
#define RAD_TO_DEG 57.29577951308232
#endif
#define TEST_POINTS 200000
#define DEGREES_TOL 1.0/3600. // one arc-second (about 30m at the equator)
#define METERS_TOL 10.0 // ten meters in projected cooredinates
#define MIN_LAT -40.0 // shifted up for benefit of conic projections
#define MAX_LAT 80.0
#define MIN_LON -60.0 // kind of tight for benefit of transverse mercator
#define MAX_LON 60.0
typedef struct test_params_s {
char name[80];
int ell;
double lon0;
double lat0;
double rlat1;
double rlat2;
double meters_tol;
} test_params_t;
typedef struct test_group_s {
char label[80];
PLProjection proj;
char proj4_name[80];
test_params_t tests[10];
} test_group_t;
test_group_t _test_groups[] = {
{
.label = "Albers Equal Area",
.proj4_name = "aea",
.proj = PL_PROJECT_ALBERS_EQUAL_AREA,
.tests = {
{ .name = "Spherical, centered",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = 30.0,
.rlat2 = 60.0 },
{ .name = "Spherical, centered, down under",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = -30.0,
.rlat2 = -60.0 },
{ .name = "Spherical, off-center",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = 30.0,
.rlat2 = 60.0 },
{ .name = "Ellipsoidal, centered",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = 30.0,
.rlat2 = 60.0 },
{ .name = "Ellipsoidal, centered, down under",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = -30.0,
.rlat2 = -60.0 },
{ .name = "Ellipsoidal, off-center",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = 30.0,
.rlat2 = 60.0 }
}
},
{
.label = "American Polyconic",
.proj4_name = "poly",
.proj = PL_PROJECT_AMERICAN_POLYCONIC,
.tests = {
{ .name = "Spherical, centered",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Spherical, off-center",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Ellipsoidal, centered",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Ellipsoidal, off-center",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = NAN,
.rlat2 = NAN }
}
},
{
.label = "Lambert Azimuthal Equal Area",
.proj4_name = "laea",
.proj = PL_PROJECT_LAMBERT_AZIMUTHAL_EQUAL_AREA,
.tests = {
{ .name = "Spherical, centered",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Spherical, off-center",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Ellipsoidal, centered",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Ellipsoidal, off-center",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = NAN,
.rlat2 = NAN }
}
},
{
.label = "Lambert Conformal Conic",
.proj = PL_PROJECT_LAMBERT_CONFORMAL_CONIC,
.proj4_name = "lcc",
.tests = {
{ .name = "Spherical, centered",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = 30.0,
.rlat2 = 60.0 },
{ .name = "Spherical, centered, down under",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = -30.0,
.rlat2 = -60.0,
.meters_tol = 30.0 },
{ .name = "Spherical, off-center",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = 30.0,
.rlat2 = 60.0 },
#ifndef HAVE_PROJ4
{ .name = "Spherical, symmetric standard parallels",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = -30.0,
.rlat2 = 30.0 },
#endif
{ .name = "Ellipsoidal, centered",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = 30.0,
.rlat2 = 60.0 },
{ .name = "Ellipsoidal, centered, down under",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = -30.0,
.rlat2 = -60.0,
.meters_tol = 35.0 },
{ .name = "Ellipsoidal, off-center",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = 30.0,
.rlat2 = 60.0 },
#ifndef HAVE_PROJ4
{ .name = "Ellipsoidal, symmetric standard parallels",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = -30.0,
.rlat2 = 30.0 },
#endif
},
},
{
.label = "Mercator",
.proj = PL_PROJECT_MERCATOR,
.proj4_name = "merc",
.tests = {
{ .name = "Spherical",
.ell = PL_SPHEROID_SPHERE,
.lon0 = NAN,
.lat0 = NAN,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Ellipsoidal",
.ell = PL_SPHEROID_WGS_84,
.lon0 = NAN,
.lat0 = NAN,
.rlat1 = NAN,
.rlat2 = NAN }
}
},
{
.label = "Oblique Stereographic",
.proj = PL_PROJECT_OBLIQUE_STEREOGRAPHIC,
.proj4_name = "sterea",
.tests = {
{ .name = "Ellipsoidal, centered",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN
},
{ .name = "Ellipsoidal, off-center",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 10.0,
.lat0 = 10.0,
.rlat1 = NAN,
.rlat2 = NAN
}
}
},
{
.label = "Robinson",
.proj = PL_PROJECT_ROBINSON,
.proj4_name = "robin",
.tests = {
{ .name = "Spherical",
.ell = PL_SPHEROID_SPHERE,
.lon0 = NAN,
.lat0 = NAN,
.rlat1 = NAN,
.rlat2 = NAN }
}
},
{
.label = "Transverse Mercator",
.proj = PL_PROJECT_TRANSVERSE_MERCATOR,
.proj4_name = "tmerc",
.tests = {
{ .name = "Spherical, centered",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Spherical, off-center",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 10.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN },
}
},
{
.label = "Transverse Mercator (Extended)",
.proj = PL_PROJECT_TRANSVERSE_MERCATOR,
.proj4_name = "etmerc",
.tests = {
{ .name = "Ellipsoidal, centered",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 0.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Ellipsoidal, off-center",
.ell = PL_SPHEROID_WGS_84,
.lon0 = 10.0,
.lat0 = 0.0,
.rlat1 = NAN,
.rlat2 = NAN }
}
},
{
.label = "Winkel Tripel",
.proj = PL_PROJECT_WINKEL_TRIPEL,
.proj4_name = "wintri",
.tests = {
{ .name = "Centered",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 0.0,
.lat0 = NAN,
.rlat1 = NAN,
.rlat2 = NAN },
{ .name = "Off-center",
.ell = PL_SPHEROID_SPHERE,
.lon0 = 10.0,
.lat0 = NAN,
.rlat1 = NAN,
.rlat2 = NAN }
}
}
};
int compile_module(PLContext *ctx, unsigned int module, char *name);
int compare_points(const float *points1, const float *points2, const float *ref_points,
int count, char *name, double tolerance, double speedup);
uint64_t test_american_polyconic(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t test_lambert_azimuthal_equal_area(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t test_lambert_conformal_conic(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t test_mercator(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t test_oblique_stereographic(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t test_robinson(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t test_transverse_mercator(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t test_winkel_tripel(PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
uint64_t run_test_group(test_group_t *group, PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points);
int compare_points(const float *points1, const float *points2, const float *ref_points, int count,
char *name, double tolerance, double speedup) {
int i;
int failures = 0;
printf("-- %s... ", name);
double max_delta_x = 0.0;
double max_delta_y = 0.0;
int max_delta_x_i = 0, max_delta_y_i = 0;
for (i=0; i<count; i++) {
double delta_x = fabs(points1[2*i] - points2[2*i]);
double delta_y = fabs(points1[2*i+1] - points2[2*i+1]);
if (delta_x > tolerance || delta_y > tolerance) {
failures++;
if (delta_x > max_delta_x) {
max_delta_x = delta_x;
max_delta_x_i = i;
}
if (delta_y > max_delta_y) {
max_delta_y = delta_y;
max_delta_y_i = i;
}
}
}
if (failures) {
printf("%d failures\n", failures);
printf("**** Max longitudinal error: (%f, %f) => (%f, %f)\n"
" (%f, %f) => (%f, %f) [%.4lf @ %d]\n",
ref_points[2*max_delta_x_i], ref_points[2*max_delta_x_i+1], points1[2*max_delta_x_i], points1[2*max_delta_x_i+1],
ref_points[2*max_delta_x_i], ref_points[2*max_delta_x_i+1], points2[2*max_delta_x_i], points2[2*max_delta_x_i+1],
max_delta_x, max_delta_x_i);
printf("**** Max latitudinal error: (%f, %f) => (%f, %f)\n"
" (%f, %f) => (%f, %f) [%.4lf @ %d]\n",
ref_points[2*max_delta_y_i], ref_points[2*max_delta_y_i+1], points1[2*max_delta_y_i], points1[2*max_delta_y_i+1],
ref_points[2*max_delta_y_i], ref_points[2*max_delta_y_i+1], points2[2*max_delta_y_i], points2[2*max_delta_y_i+1],
max_delta_y, max_delta_y_i);
} else {
if (isnan(speedup)) {
printf("ok\n");
} else {
printf("ok (%.1lfX faster)\n", speedup);
}
}
return failures;
}
int compile_module(PLContext *ctx, unsigned int module, char *name) {
PLCode *code = NULL;
cl_int error = CL_SUCCESS;
printf("-- %s... ", name);
code = pl_compile_code(ctx, "kernel", module, &error);
if (code == NULL) {
printf("failed (%d)\n", error);
return 1;
}
printf("ok\n");
pl_release_code(code);
return 0;
}
int main(int argc, char **argv) {
cl_int error = CL_SUCCESS;
PLCode *code = NULL;
cl_device_type devtype = CL_DEVICE_TYPE_GPU;
if(argc > 1) {
if (!strcmp(argv[1], "-CPU"))
devtype = CL_DEVICE_TYPE_CPU;
}
PLContext *ctx = pl_context_init(devtype, &error);
if (ctx == NULL) {
printf("Failed to initialize context: %d\n", error);
return 1;
}
printf("Compiling individual modules...\n");
int compile_failures = 0;
compile_failures += compile_module(ctx, PL_MODULE_DATUM, "datum");
compile_failures += compile_module(ctx, PL_MODULE_GEODESIC, "geodesic");
compile_failures += compile_module(ctx, PL_MODULE_WARP, "warp");
compile_failures += compile_module(ctx, PL_MODULE_ALBERS_EQUAL_AREA, "Albers Equal Area");
compile_failures += compile_module(ctx, PL_MODULE_AMERICAN_POLYCONIC, "American Polyconic");
compile_failures += compile_module(ctx, PL_MODULE_LAMBERT_AZIMUTHAL_EQUAL_AREA, "Lambert Azimuthal Equal Area");
compile_failures += compile_module(ctx, PL_MODULE_LAMBERT_CONFORMAL_CONIC, "Lambert Conformal Conic");
compile_failures += compile_module(ctx, PL_MODULE_MERCATOR, "Mercator");
compile_failures += compile_module(ctx, PL_MODULE_OBLIQUE_STEREOGRAPHIC, "Oblique Stereographic");
compile_failures += compile_module(ctx, PL_MODULE_ROBINSON, "Robinson");
compile_failures += compile_module(ctx, PL_MODULE_TRANSVERSE_MERCATOR, "Transverse Mercator");
compile_failures += compile_module(ctx, PL_MODULE_WINKEL_TRIPEL, "Winkel Tripel");
compile_failures += compile_module(ctx, PL_MODULE_NEAREST_NEIGHBOR, "nearest neighbor");
compile_failures += compile_module(ctx, PL_MODULE_BILINEAR, "bilinear");
compile_failures += compile_module(ctx, PL_MODULE_BICUBIC, "bicubic");
compile_failures += compile_module(ctx, PL_MODULE_QUASI_BICUBIC, "quasi-bicubic");
printf("Compilation failures: %d\n", compile_failures);
code = pl_compile_code(ctx, "kernel", 0xFFFF, &error);
error = pl_load_code(ctx, code);
pl_release_code(code);
if (error != CL_SUCCESS) {
printf("Failed to load code: %d\n", error);
return 1;
}
float *orig_points = malloc(2*TEST_POINTS*sizeof(float));
int i;
int offset = 0;
PLProjectionBuffer *orig_buf = NULL;
for (i=0; i<TEST_POINTS/2; i++) { /* grid */
orig_points[offset++] = MIN_LON + (MAX_LON - MIN_LON) * (i%500) / (500-1);
orig_points[offset++] = MIN_LAT + (MAX_LAT - MIN_LAT) * (i/500) / (TEST_POINTS/2/500-1);
}
for (i=0; i<TEST_POINTS/2; i++) { /* circle */
orig_points[offset++] = MIN_LAT * cos(2 * M_PI * i/(TEST_POINTS/2-1));
orig_points[offset++] = MIN_LAT * sin(2 * M_PI * i/(TEST_POINTS/2-1));
}
orig_buf = pl_load_projection_data(ctx, orig_points, TEST_POINTS, 1, &error);
if (orig_buf == NULL) {
printf("Failed to load points: %d\n", error);
return 1;
}
uint64_t test_failures = 0;
int g;
for (g=0; g<sizeof(_test_groups)/sizeof(_test_groups[0]); g++) {
test_group_t *group = &_test_groups[g];
printf("\nTesting consistency of %s\n", group->label);
test_failures += run_test_group(group, ctx, orig_buf, orig_points);
}
printf("\nTotal consistency failures: %" PRId64 "\n", test_failures & 0xFFFFFFFF);
printf("Total Proj.4 mismatches: %" PRId64 "\n", test_failures >> 32);
pl_unload_projection_data(orig_buf);
pl_unload_code(ctx);
pl_context_free(ctx);
free(orig_points);
return test_failures > 0;
}
int compare_proj4_inv(const float *proj_points, const float *orig_points,
const char *desc1, const char *desc2, double projcl_secs) {
int failures = 0;
#ifdef HAVE_PROJ4
double points_proj4[2*TEST_POINTS];
float orig_points_proj4[2*TEST_POINTS];
projPJ pj_out, pj_in;
int i;
int error;
struct timeval start_time, end_time;
double proj4_secs;
for (i=0; i<TEST_POINTS; i++) {
points_proj4[2*i] = proj_points[2*i];
points_proj4[2*i+1] = proj_points[2*i+1];
}
if ((pj_in = pj_init_plus(desc1)) == NULL) {
printf("Failed to init Proj.4 input structure: %s\n", desc1);
printf("Error code %d: %s\n", pj_errno, pj_strerrno(pj_errno));
exit(1);
}
if ((pj_out = pj_init_plus(desc2)) == NULL) {
printf("Failed to init Proj.4 output structure: %s\n", desc2);
printf("Error code %d: %s\n", pj_errno, pj_strerrno(pj_errno));
exit(1);
}
gettimeofday(&start_time, NULL);
error = pj_transform(pj_in, pj_out, TEST_POINTS, 2, points_proj4, points_proj4 + 1, NULL);
gettimeofday(&end_time, NULL);
proj4_secs = (end_time.tv_sec + end_time.tv_usec * 1e-6)
- (start_time.tv_sec + start_time.tv_usec * 1e-6);
if (error != 0) {
printf("Error projecting: %s\n", pj_strerrno(error));
exit(1);
}
pj_free(pj_in);
pj_free(pj_out);
for (i=0; i<TEST_POINTS; i++) {
orig_points_proj4[2*i] = points_proj4[2*i] * RAD_TO_DEG;
orig_points_proj4[2*i+1] = points_proj4[2*i+1] * RAD_TO_DEG;
}
failures = compare_points(orig_points, orig_points_proj4, proj_points, TEST_POINTS,
"...inverse same as Proj.4", DEGREES_TOL, proj4_secs / projcl_secs);
#endif
return failures;
}
int compare_proj4_fwd(const float *orig_points, const float *proj_points,
const char *desc1, const char *desc2, double projcl_secs, double meters_tol) {
int failures = 0;
#ifdef HAVE_PROJ4
double points_proj4[2*TEST_POINTS];
float proj_points_proj4[2*TEST_POINTS];
projPJ pj_out, pj_in;
int i;
int error;
struct timeval start_time, end_time;
double proj4_secs;
for (i=0; i<TEST_POINTS; i++) {
points_proj4[2*i] = orig_points[2*i] * DEG_TO_RAD;
points_proj4[2*i+1] = orig_points[2*i+1] * DEG_TO_RAD;
}
if ((pj_in = pj_init_plus(desc1)) == NULL) {
printf("Failed to init Proj.4 input structure: %s\n", desc1);
printf("Error code %d: %s\n", pj_errno, pj_strerrno(pj_errno));
exit(1);
}
if ((pj_out = pj_init_plus(desc2)) == NULL) {
printf("Failed to init Proj.4 output structure: %s\n", desc2);
printf("Error code %d: %s\n", pj_errno, pj_strerrno(pj_errno));
exit(1);
}
gettimeofday(&start_time, NULL);
error = pj_transform(pj_in, pj_out, TEST_POINTS, 2, points_proj4, points_proj4 + 1, NULL);
gettimeofday(&end_time, NULL);
proj4_secs = (end_time.tv_sec + end_time.tv_usec * 1e-6)
- (start_time.tv_sec + start_time.tv_usec * 1e-6);
if (error != 0) {
printf("Error projecting: %s\n", pj_strerrno(error));
exit(1);
}
pj_free(pj_in);
pj_free(pj_out);
for (i=0; i<TEST_POINTS; i++) {
proj_points_proj4[2*i] = points_proj4[2*i];
proj_points_proj4[2*i+1] = points_proj4[2*i+1];
}
failures = compare_points(proj_points, proj_points_proj4, orig_points, TEST_POINTS,
"...forward same as Proj.4", meters_tol, proj4_secs / projcl_secs);
#endif
return failures;
}
int sprintf_proj4(char *buf, const char *name, test_params_t *params) {
char *p = buf;
p += sprintf(p, "+proj=%s", name);
p += sprintf(p, " +ellps=%s", params->ell == PL_SPHEROID_SPHERE ? "sphere" : "WGS84");
if (strcmp(name, "latlong") != 0) {
if (!isnan(params->lat0) && params->lat0 != 0.0)
p += sprintf(p, " +lat_0=%.1lf%c", fabs(params->lat0), params->lat0 > 0.0 ? 'n' : 's');
if (!isnan(params->lon0) && params->lon0 != 0.0)
p += sprintf(p, " +lon_0=%.1lf%c", fabs(params->lon0), params->lon0 > 0.0 ? 'e' : 'w');
if (!isnan(params->rlat1))
p += sprintf(p, " +lat_1=%.1lf%c", fabs(params->rlat1), params->rlat1 > 0.0 ? 'n' : 's');
if (!isnan(params->rlat2))
p += sprintf(p, " +lat_2=%.1lf%c", fabs(params->rlat2), params->rlat2 > 0.0 ? 'n' : 's');
}
return 0;
}
uint64_t run_test_group(test_group_t *group, PLContext *ctx, PLProjectionBuffer *orig_buf, float *orig_points) {
int error = CL_SUCCESS;
uint64_t consistency_failures = 0, proj4_mismatches = 0;
PLProjectionBuffer *proj_buf = NULL;
float proj_points[2*TEST_POINTS];
float orig_points2[2*TEST_POINTS];
int i;
char orig_string[80];
char proj_string[80];
double fwd_secs, inv_secs;
PLProjectionParams *params = pl_params_init();
for (i=0; i<10 && group->tests[i].name[0]; i++) {
test_params_t *test = &group->tests[i];
pl_params_set_false_northing(params, 0.0);
pl_params_set_false_easting(params, 0.0);
pl_params_set_scale(params, 1.0);
pl_params_set_spheroid(params, test->ell);
pl_params_set_latitude_of_origin(params, test->lat0);
pl_params_set_longitude_of_origin(params, test->lon0);
pl_params_set_standard_parallels(params, test->rlat1, test->rlat2);
error = pl_project_points_forward(ctx, group->proj, params, orig_buf, proj_points);
if (error == CL_SUCCESS) {
fwd_secs = ctx->last_time;
} else {
printf("** Error Projecting: %d **\n", error);
fwd_secs = NAN;
}
proj_buf = pl_load_projection_data(ctx, proj_points, TEST_POINTS, 1, &error);
error = pl_project_points_reverse(ctx, group->proj, params, proj_buf, orig_points2);
if (error == CL_SUCCESS) {
inv_secs = ctx->last_time;
} else {
printf("** Error Projecting: %d **\n", error);
inv_secs = NAN;
}
pl_unload_projection_data(proj_buf);
consistency_failures += compare_points(orig_points, orig_points2, proj_points, TEST_POINTS,
test->name, DEGREES_TOL, NAN);
sprintf_proj4(orig_string, "latlong", test);
sprintf_proj4(proj_string, group->proj4_name, test);
proj4_mismatches += compare_proj4_fwd(orig_points, proj_points,
orig_string, proj_string, fwd_secs, test->meters_tol ?: METERS_TOL);
proj4_mismatches += compare_proj4_inv(proj_points, orig_points2,
proj_string, orig_string, inv_secs);
}
return consistency_failures + (proj4_mismatches << 32);
}