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Searched refs:half_pi (Results 1 – 25 of 126) sorted by relevance

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/third_party/boost/boost/geometry/srs/projections/proj/
Dqsc.hpp134 static const T half_pi = detail::half_pi<T>(); in qsc_fwd_equat_face_theta() local
145 } else if (theta > fourth_pi && theta <= half_pi + fourth_pi) { in qsc_fwd_equat_face_theta()
147 theta -= half_pi; in qsc_fwd_equat_face_theta()
148 } else if (theta > half_pi + fourth_pi || theta <= -(half_pi + fourth_pi)) { in qsc_fwd_equat_face_theta()
153 theta += half_pi; in qsc_fwd_equat_face_theta()
187 static const T half_pi = detail::half_pi<T>(); in fwd() local
211 phi = half_pi - lat; in fwd()
212 if (lon >= fourth_pi && lon <= half_pi + fourth_pi) { in fwd()
214 theta = lon - half_pi; in fwd()
215 } else if (lon > half_pi + fourth_pi || lon <= -(half_pi + fourth_pi)) { in fwd()
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Dhealpix.hpp202 static const T half_pi = detail::half_pi<T>(); in in_image() local
208 {-3.0*fourth_pi, half_pi + epsilon}, in in_image()
209 {-half_pi, fourth_pi + epsilon}, in in_image()
210 {-fourth_pi, half_pi + epsilon}, in in_image()
212 {fourth_pi, half_pi + epsilon}, in in_image()
213 {half_pi, fourth_pi + epsilon}, in in_image()
214 {3.0*fourth_pi, half_pi + epsilon}, in in_image()
217 {3.0*fourth_pi, -half_pi - epsilon}, in in_image()
218 {half_pi, -fourth_pi - epsilon}, in in_image()
219 {fourth_pi, -half_pi - epsilon}, in in_image()
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Dstere.hpp87 static const T half_pi = detail::half_pi<T>(); in ssfn_() local
90 return (tan (.5 * (half_pi + phit)) * in ssfn_()
103 static const T half_pi = detail::half_pi<T>(); in fwd() local
111 sinX = sin(X = 2. * atan(ssfn_(lp_lat, sinphi, par.e)) - half_pi); in fwd()
152 static const T half_pi = detail::half_pi<T>(); in inv() local
168 tp = tan(.5 * (half_pi + phi_l)); in inv()
171 halfpi = half_pi; in inv()
178 phi_l = half_pi - 2. * atan(tp = - rho / this->m_proj_parm.akm1); in inv()
179 halfpi = -half_pi; in inv()
213 static const T half_pi = detail::half_pi<T>(); in fwd() local
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Dmerc.hpp72 static const T half_pi = detail::half_pi<T>(); in fwd() local
74 if (fabs(fabs(lp_lat) - half_pi) <= epsilon10) { in fwd()
105 static const T half_pi = detail::half_pi<T>(); in fwd() local
108 if (fabs(fabs(lp_lat) - half_pi) <= epsilon10) { in fwd()
119 static const T half_pi = detail::half_pi<T>(); in inv() local
121 lp_lat = half_pi - 2. * atan(exp(-xy_y / par.k0)); in inv()
137 static const calc_t half_pi = detail::half_pi<calc_t>(); in setup_merc() local
144 if (phits >= half_pi) in setup_merc()
Dnocol.hpp68 static const T half_pi = detail::half_pi<T>(); in fwd() local
76 } else if (fabs(fabs(lp_lon) - half_pi) < epsilon) { in fwd()
78 xy_y = half_pi * sin(lp_lat); in fwd()
79 } else if (fabs(fabs(lp_lat) - half_pi) < epsilon) { in fwd()
85 tb = half_pi / lp_lon - lp_lon / half_pi; in fwd()
86 c = lp_lat / half_pi; in fwd()
94 xy_x = half_pi * ( m + (lp_lon < 0. ? -xy_x : xy_x)); in fwd()
97 xy_y = half_pi * ( n + (lp_lat < 0. ? xy_y : -xy_y )); in fwd()
Dgnom.hpp132 static const T half_pi = detail::half_pi<T>(); in inv() local
148 lp_lat = lp_lat > 0. ? half_pi : -half_pi; in inv()
157 lp_lat = lp_lat > 0. ? half_pi : -half_pi; in inv()
164 lp_lat -= half_pi; in inv()
167 lp_lat = half_pi - lp_lat; in inv()
186 static const T half_pi = detail::half_pi<T>(); in setup_gnom() local
188 if (fabs(fabs(par.phi0) - half_pi) < epsilon10) { in setup_gnom()
Dortho.hpp87 static const T half_pi = detail::half_pi<T>(); in fwd() local
111 if (fabs(lp_lat - par.phi0) - epsilon10 > half_pi) { in fwd()
124 static const T half_pi = detail::half_pi<T>(); in inv() local
158 lp_lat = lp_lat < 0. ? -half_pi : half_pi; in inv()
164 ? (xy_x == 0. ? 0. : xy_x < 0. ? -half_pi : half_pi) in inv()
180 if (fabs(fabs(par.phi0) - geometry::math::half_pi<T>()) <= epsilon10) in setup_ortho()
Dbonne.hpp96 static const T half_pi = detail::half_pi<T>(); in inv() local
102 if ((s = fabs(lp_lat)) < half_pi) { in inv()
106 } else if (fabs(s - half_pi) <= epsilon10) in inv()
142 static const T half_pi = detail::half_pi<T>(); in inv() local
148 if (fabs(lp_lat) > half_pi) { in inv()
151 if (fabs(fabs(lp_lat) - half_pi) <= epsilon10) in inv()
168 static const T half_pi = detail::half_pi<T>(); in setup_bonne() local
182 if (fabs(proj_parm.phi1) + epsilon10 >= half_pi) in setup_bonne()
Dairy.hpp93 static const T half_pi = detail::half_pi<T>(); in fwd() local
125 if (!this->m_proj_parm.no_cut && (lp_lat - epsilon) > half_pi) in fwd()
150 static const T half_pi = detail::half_pi<T>(); in setup_airy() local
155 … beta = 0.5 * (half_pi - pj_get_param_r<T, srs::spar::lat_b>(params, "lat_b", srs::dpar::lat_b)); in setup_airy()
163 if (fabs(fabs(par.phi0) - half_pi) < epsilon) in setup_airy()
165 proj_parm.p_halfpi = -half_pi; in setup_airy()
168 proj_parm.p_halfpi = half_pi; in setup_airy()
Dlcc.hpp87 static const T half_pi = detail::half_pi<T>(); in fwd() local
91 if (fabs(fabs(lp_lat) - half_pi) < epsilon10) { in fwd()
110 static const T half_pi = detail::half_pi<T>(); in inv() local
131 … lp_lat = 2. * atan(math::pow(this->m_proj_parm.c / rho, T(1)/this->m_proj_parm.n)) - half_pi; in inv()
135 lp_lat = this->m_proj_parm.n > 0. ? half_pi : -half_pi; in inv()
151 static const T half_pi = detail::half_pi<T>(); in setup_lcc() local
199 proj_parm.rho0 *= (fabs(fabs(par.phi0) - half_pi) < epsilon10) ? T(0) : in setup_lcc()
207 proj_parm.rho0 = (fabs(fabs(par.phi0) - half_pi) < epsilon10) ? 0. : in setup_lcc()
Dtmerc.hpp98 static const T half_pi = detail::half_pi<T>(); in fwd() local
117 if( lp_lon < -half_pi || lp_lon > half_pi ) in fwd()
150 static const T half_pi = detail::half_pi<T>(); in inv() local
163 if (fabs(lp_lat) >= half_pi) { in inv()
164 lp_lat = xy_y < 0. ? -half_pi : half_pi; in inv()
205 static const T half_pi = detail::half_pi<T>(); in fwd() local
216 if( lp_lon < -half_pi || lp_lon > half_pi ) in fwd()
Daea.hpp141 static const T half_pi = detail::half_pi<T>(); in inv() local
157 lp_lat = lp_lat < 0. ? -half_pi : half_pi; in inv()
161 lp_lat = lp_lat < 0. ? -half_pi : half_pi; in inv()
165 lp_lat = this->m_proj_parm.n > 0. ? half_pi : - half_pi; in inv()
248 static const T half_pi = detail::half_pi<T>(); in setup_leac() local
251 …rm.phi1 = pj_get_param_b<srs::spar::south>(params, "south", srs::dpar::south) ? -half_pi : half_pi; in setup_leac()
Dmbtfpp.hpp85 static const T half_pi = detail::half_pi<T>(); in inv() local
93 lp_lat = (lp_lat < 0.) ? -half_pi : half_pi; in inv()
103 lp_lat = (lp_lat < 0.) ? -half_pi : half_pi; in inv()
Dvandg4.hpp68 static const T half_pi = detail::half_pi<T>(); in fwd() local
76 … } else if (fabs(lp_lon) < tolerance || fabs(fabs(lp_lat) - half_pi) < tolerance) { in fwd()
88 if ((fabs(lp_lon) - half_pi) < 0.) dt = -dt; in fwd()
97 xy_x = half_pi * x1; in fwd()
98 xy_y = half_pi * sqrt(1. + dt * fabs(x1) - x1 * x1); in fwd()
Dhatano.hpp96 static T const half_pi = detail::half_pi<T>(); in inv() local
105 th = th > 0. ? half_pi : - half_pi; in inv()
118 lp_lat = lp_lat > 0. ? half_pi : - half_pi; in inv()
Dloxim.hpp79 static const T half_pi = detail::half_pi<T>(); in fwd() local
86 if (fabs(xy_x) < epsilon || fabs(fabs(xy_x) - half_pi) < epsilon) in fwd()
98 static const T half_pi = detail::half_pi<T>(); in inv() local
105 if (fabs(lp_lon) < epsilon || fabs(fabs(lp_lon) - half_pi) < epsilon) in inv()
Dmod_ster.hpp83 static const T half_pi = detail::half_pi<T>(); in fwd() local
91 chi = 2. * atan(tan((half_pi + lp_lat) * .5) * in fwd()
92 math::pow((T(1) - esphi) / (T(1) + esphi), par.e * T(0.5))) - half_pi; in fwd()
107 static const T half_pi = detail::half_pi<T>(); in inv() local
145 dphi = 2. * atan(tan((half_pi + chi) * .5) * in inv()
146 … math::pow((T(1) + esphi) / (T(1) - esphi), par.e * T(0.5))) - half_pi - phi; in inv()
170 static T const half_pi = detail::half_pi<T>(); in setup() local
176 chio = 2. * atan(tan((half_pi + par.phi0) * .5) * in setup()
177 math::pow((T(1) - esphi) / (T(1) + esphi), par.e * T(0.5))) - half_pi; in setup()
Dlsat.hpp106 static const T half_pi = detail::half_pi<T>(); in fwd() local
114 if (lp_lat > half_pi) in fwd()
115 lp_lat = half_pi; in fwd()
116 else if (lp_lat < -half_pi) in fwd()
117 lp_lat = -half_pi; in fwd()
120 lampp = half_pi; in fwd()
132 fac = lampp + sin(lampp) * half_pi; in fwd()
134 fac = lampp - sin(lampp) * half_pi; in fwd()
151 lampp = half_pi; in fwd()
175 static const T half_pi = detail::half_pi<T>(); in inv() local
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Domerc.hpp83 static const T half_pi = detail::half_pi<T>(); in fwd() local
87 if (fabs(fabs(lp_lat) - half_pi) > epsilon) { in fwd()
122 static const T half_pi = detail::half_pi<T>(); in inv() local
140 lp_lat = Up < 0. ? -half_pi : half_pi; in inv()
163 static const T half_pi = detail::half_pi<T>(); in setup_omerc() local
195 fabs(con - half_pi) <= tolerance || in setup_omerc()
196 fabs(fabs(par.phi0) - half_pi) <= tolerance || in setup_omerc()
197 fabs(fabs(phi2) - half_pi) <= tolerance) in setup_omerc()
Dlaea.hpp95 static const T half_pi = detail::half_pi<T>(); in fwd() local
117 b = half_pi + lp_lat; in fwd()
121 b = lp_lat - half_pi; in fwd()
258 static const T half_pi = detail::half_pi<T>(); in inv() local
285 lp_lat = half_pi - lp_lat; in inv()
288 lp_lat -= half_pi; in inv()
306 static const T half_pi = detail::half_pi<T>(); in setup_laea() local
311 if (fabs(t - half_pi) < epsilon10) in setup_laea()
Dbacon.hpp77 static const T half_pi = detail::half_pi<T>(); in fwd() local
82 xy_y = this->m_proj_parm.bacn ? half_pi * sin(lp_lat) : lp_lat; in fwd()
84 if (this->m_proj_parm.ortl && ax >= half_pi) in fwd()
85 xy_x = sqrt(half_pi_sqr - lp_lat * lp_lat + epsilon) + ax - half_pi; in fwd()
/third_party/ffmpeg/libavfilter/
Dasrc_sine.c90 unsigned half_pi = 1 << (LOG_PERIOD - 2); in make_sin_table() local
98 sin[half_pi] = ampls; in make_sin_table()
99 for (step = half_pi; step > 1; step /= 2) { in make_sin_table()
103 for (i = 0; i < half_pi / 2; i += step) { in make_sin_table()
105 c = sin[half_pi - i] + sin[half_pi - i - step]; in make_sin_table()
115 sin[half_pi - i - step / 2] = (k * c + 0x8000) >> 16; in make_sin_table()
119 for (i = 0; i <= half_pi; i++) in make_sin_table()
122 for (i = 0; i < half_pi; i++) in make_sin_table()
123 sin[half_pi * 2 - i] = sin[i]; in make_sin_table()
124 for (i = 0; i < 2 * half_pi; i++) in make_sin_table()
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/third_party/boost/boost/geometry/srs/projections/impl/
Dpj_gauss.hpp103 static const T half_pi = detail::half_pi<T>(); in gauss_fwd() local
106 * srat(en.e * sin(phi), en.ratexp) ) - half_pi; in gauss_fwd()
116 static const T half_pi = detail::half_pi<T>(); in gauss_inv() local
125 const T elp_phi = 2.0 * atan(num * srat(en.e * sin(phi), - 0.5 * en.e)) - half_pi; in gauss_inv()
/third_party/boost/boost/geometry/formulas/
Dmeridian_segment.hpp57 T half_pi = math::half_pi<T>(); in meridian_not_crossing_pole() local
59 (math::equals(lat2, half_pi) && math::equals(lat1, -half_pi)); in meridian_not_crossing_pole()
/third_party/boost/libs/math/test/
Dcomplex_test.cpp275 static const T half_pi = boost::math::constants::half_pi<T>(); in check_spots() local
276 static const T quarter_pi = half_pi / 2; in check_spots()
299 check_complex(ct(half_pi), result, 2); in check_spots()
302 check_complex(ct(half_pi), result, 2); in check_spots()
305 check_complex(ct(half_pi), result, 2); in check_spots()
308 check_complex(ct(half_pi), result, 2); in check_spots()
313 BOOST_CHECK_CLOSE(result.real(), half_pi, eps*200); in check_spots()
317 BOOST_CHECK_CLOSE(result.real(), half_pi, eps*200); in check_spots()
323 BOOST_CHECK_CLOSE(result.real(), half_pi, eps*200); in check_spots()
327 BOOST_CHECK_CLOSE(result.real(), half_pi, eps*200); in check_spots()
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