/src/proj/src/projections/goode.cpp

Source (jump to first uncovered line)


#include <errno.h>
#include <math.h>

#include "proj.h"
#include "proj_internal.h"

PROJ_HEAD(goode, "Goode Homolosine") "\n\tPCyl, Sph";

#define Y_COR 0.05280
#define PHI_LIM 0.71093078197902358062

C_NAMESPACE PJ *pj_sinu(PJ *), *pj_moll(PJ *);

namespace { // anonymous namespace
struct pj_goode_data {
    PJ *sinu;
    PJ *moll;
};
} // anonymous namespace

static PJ_XY goode_s_forward(PJ_LP lp, PJ *P) { /* Spheroidal, forward */
    PJ_XY xy;
    struct pj_goode_data *Q = static_cast<struct pj_goode_data *>(P->opaque);

    if (fabs(lp.phi) <= PHI_LIM)
        xy = Q->sinu->fwd(lp, Q->sinu);
    else {
        xy = Q->moll->fwd(lp, Q->moll);
        xy.y -= lp.phi >= 0.0 ? Y_COR : -Y_COR;
    }
    return xy;
}

static PJ_LP goode_s_inverse(PJ_XY xy, PJ *P) { /* Spheroidal, inverse */
    PJ_LP lp;
    struct pj_goode_data *Q = static_cast<struct pj_goode_data *>(P->opaque);

    if (fabs(xy.y) <= PHI_LIM)
        lp = Q->sinu->inv(xy, Q->sinu);
    else {
        xy.y += xy.y >= 0.0 ? Y_COR : -Y_COR;
        lp = Q->moll->inv(xy, Q->moll);
    }
    return lp;
}

static PJ *goode_destructor(PJ *P, int errlev) { /* Destructor */
    if (nullptr == P)
        return nullptr;
    if (nullptr == P->opaque)
        return pj_default_destructor(P, errlev);
    proj_destroy(static_cast<struct pj_goode_data *>(P->opaque)->sinu);
    proj_destroy(static_cast<struct pj_goode_data *>(P->opaque)->moll);
    return pj_default_destructor(P, errlev);
}

PJ *PJ_PROJECTION(goode) {
    struct pj_goode_data *Q = static_cast<struct pj_goode_data *>(
        calloc(1, sizeof(struct pj_goode_data)));
    if (nullptr == Q)
        return pj_default_destructor(P, PROJ_ERR_OTHER /*ENOMEM*/);
    P->opaque = Q;
    P->destructor = goode_destructor;

    P->es = 0.;
    Q->sinu = pj_sinu(nullptr);
    Q->moll = pj_moll(nullptr);
    if (Q->sinu == nullptr || Q->moll == nullptr)
        return goode_destructor(P, PROJ_ERR_OTHER /*ENOMEM*/);
    Q->sinu->es = 0.;
    Q->sinu->ctx = P->ctx;
    Q->moll->ctx = P->ctx;
    Q->sinu = pj_sinu(Q->sinu);
    Q->moll = pj_moll(Q->moll);
    if (Q->sinu == nullptr || Q->moll == nullptr)
        return goode_destructor(P, PROJ_ERR_OTHER /*ENOMEM*/);

    P->fwd = goode_s_forward;
    P->inv = goode_s_inverse;

    return P;
}

#undef Y_COR
#undef PHI_LIM

Line	Count	Source (jump to first uncovered line)
1
2
3		#include <errno.h>
4		#include <math.h>
5
6		#include "proj.h"
7		#include "proj_internal.h"
8
9		PROJ_HEAD(goode, "Goode Homolosine") "\n\tPCyl, Sph";
10
11	0	#define Y_COR 0.05280
12	0	#define PHI_LIM 0.71093078197902358062
13
14		C_NAMESPACE PJ pj_sinu(PJ ), pj_moll(PJ );
15
16		namespace { // anonymous namespace
17		struct pj_goode_data {
18		PJ *sinu;
19		PJ *moll;
20		};
21		} // anonymous namespace
22
23	0	static PJ_XY goode_s_forward(PJ_LP lp, PJ P) { / Spheroidal, forward */
24	0	PJ_XY xy;
25	0	struct pj_goode_data Q = static_cast<struct pj_goode_data >(P->opaque);
26
27	0	if (fabs(lp.phi) <= PHI_LIM)
28	0	xy = Q->sinu->fwd(lp, Q->sinu);
29	0	else {
30	0	xy = Q->moll->fwd(lp, Q->moll);
31	0	xy.y -= lp.phi >= 0.0 ? Y_COR : -Y_COR;
32	0	}
33	0	return xy;
34	0	}
35
36	0	static PJ_LP goode_s_inverse(PJ_XY xy, PJ P) { / Spheroidal, inverse */
37	0	PJ_LP lp;
38	0	struct pj_goode_data Q = static_cast<struct pj_goode_data >(P->opaque);
39
40	0	if (fabs(xy.y) <= PHI_LIM)
41	0	lp = Q->sinu->inv(xy, Q->sinu);
42	0	else {
43	0	xy.y += xy.y >= 0.0 ? Y_COR : -Y_COR;
44	0	lp = Q->moll->inv(xy, Q->moll);
45	0	}
46	0	return lp;
47	0	}
48
49	481	static PJ goode_destructor(PJ P, int errlev) { /* Destructor */
50	481	if (nullptr == P)
51	0	return nullptr;
52	481	if (nullptr == P->opaque)
53	0	return pj_default_destructor(P, errlev);
54	481	proj_destroy(static_cast<struct pj_goode_data *>(P->opaque)->sinu);
55	481	proj_destroy(static_cast<struct pj_goode_data *>(P->opaque)->moll);
56	481	return pj_default_destructor(P, errlev);
57	481	}
58
59	481	PJ *PJ_PROJECTION(goode) {
60	481	struct pj_goode_data Q = static_cast<struct pj_goode_data >(
61	481	calloc(1, sizeof(struct pj_goode_data)));
62	481	if (nullptr == Q)
63	0	return pj_default_destructor(P, PROJ_ERR_OTHER /ENOMEM/);
64	481	P->opaque = Q;
65	481	P->destructor = goode_destructor;
66
67	481	P->es = 0.;
68	481	Q->sinu = pj_sinu(nullptr);
69	481	Q->moll = pj_moll(nullptr);
70	481	if (Q->sinu == nullptr \|\| Q->moll == nullptr)
71	0	return goode_destructor(P, PROJ_ERR_OTHER /ENOMEM/);
72	481	Q->sinu->es = 0.;
73	481	Q->sinu->ctx = P->ctx;
74	481	Q->moll->ctx = P->ctx;
75	481	Q->sinu = pj_sinu(Q->sinu);
76	481	Q->moll = pj_moll(Q->moll);
77	481	if (Q->sinu == nullptr \|\| Q->moll == nullptr)
78	0	return goode_destructor(P, PROJ_ERR_OTHER /ENOMEM/);
79
80	481	P->fwd = goode_s_forward;
81	481	P->inv = goode_s_inverse;
82
83	481	return P;
84	481	}
85
86		#undef Y_COR
87		#undef PHI_LIM

Coverage Report

Created: 2025-06-22 06:59