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" to see the C code that Cython generated for it.
Raw output: swb2_domain_ext.c
+001: #cython: wraparound=False, boundscheck=False, cdivision=True, profile=False, nonecheck=False, overflowcheck=False, cdivision_warnings=False, unraisable_tracebacks=False
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002: import cython
003:
004: # import both numpy and the Cython declarations for numpy
+005: import numpy as np
__pyx_t_1 = __Pyx_Import(__pyx_n_s_numpy, 0, -1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 5, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_1); if (PyDict_SetItem(__pyx_d, __pyx_n_s_np, __pyx_t_1) < 0) __PYX_ERR(0, 5, __pyx_L1_error) __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
006: cimport numpy as np
007:
008: cdef extern from "swb2_domain.c":
009: double _compute_fluxes_central(int number_of_elements, double timestep, double epsilon, double H0, double g, long* neighbours, long* neighbour_edges, double* normals, double* edgelengths, double* radii, double* areas, long* tri_full_flag, double* stage_edge_values, double* xmom_edge_values, double* ymom_edge_values, double* bed_edge_values, double* stage_boundary_values, double* xmom_boundary_values, double* ymom_boundary_values, long* boundary_flux_type, double* stage_explicit_update, double* xmom_explicit_update, double* ymom_explicit_update, long* already_computed_flux, double* max_speed_array, int optimise_dry_cells, double* stage_centroid_values, double* bed_centroid_values, double* bed_vertex_values)
010: double _protect(int N, double minimum_allowed_height, double maximum_allowed_speed, double epsilon, double* wc, double* wv, double* zc, double* zv, double* xmomc, double* ymomc, double* areas)
011: int _extrapolate_second_order_edge_sw(int number_of_elements, double epsilon, double minimum_allowed_height, double beta_w, double beta_w_dry, double beta_uh, double beta_uh_dry, double beta_vh, double beta_vh_dry, long* surrogate_neighbours, long* number_of_boundaries, double* centroid_coordinates, double* stage_centroid_values, double* xmom_centroid_values, double* ymom_centroid_values, double* elevation_centroid_values, double* edge_coordinates, double* stage_edge_values, double* xmom_edge_values, double* ymom_edge_values, double* elevation_edge_values, double* stage_vertex_values, double* xmom_vertex_values, double* ymom_vertex_values, double* elevation_vertex_values, int optimise_dry_cells, int extrapolate_velocity_second_order)
012:
+013: def compute_fluxes_ext_central(double timestep,\
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014: double epsilon,\
015: double H0,\
016: double g,\
017: np.ndarray[long, ndim=2, mode="c"] neighbours not None,\
018: np.ndarray[long, ndim=2, mode="c"] neighbour_edges not None,\
019: np.ndarray[double, ndim=2, mode="c"] normals not None,\
020: np.ndarray[double, ndim=2, mode="c"] edgelengths not None,\
021: np.ndarray[double, ndim=1, mode="c"] radii not None,\
022: np.ndarray[double, ndim=1, mode="c"] areas not None,\
023: np.ndarray[long, ndim=1, mode="c"] tri_full_flag not None,\
024: np.ndarray[double, ndim=2, mode="c"] stage_edge_values not None,\
025: np.ndarray[double, ndim=2, mode="c"] xmom_edge_values not None,\
026: np.ndarray[double, ndim=2, mode="c"] ymom_edge_values not None,\
027: np.ndarray[double, ndim=2, mode="c"] bed_edge_values not None,\
028: np.ndarray[double, ndim=1, mode="c"] stage_boundary_values not None,\
029: np.ndarray[double, ndim=1, mode="c"] xmom_boundary_values not None,\
030: np.ndarray[double, ndim=1, mode="c"] ymom_boundary_values not None,\
031: np.ndarray[long, ndim=1, mode="c"] boundary_flux_type not None,\
032: np.ndarray[double, ndim=1, mode="c"] stage_explicit_update not None,\
033: np.ndarray[double, ndim=1, mode="c"] xmom_explicit_update not None,\
034: np.ndarray[double, ndim=1, mode="c"] ymom_explicit_update not None,\
035: np.ndarray[long, ndim=2, mode="c"] already_computed_flux not None,\
036: np.ndarray[double, ndim=1, mode="c"] max_speed_array not None,\
037: long optimise_dry_cells,\
038: np.ndarray[double, ndim=1, mode="c"] stage_centroid_values not None,\
039: np.ndarray[double, ndim=1, mode="c"] bed_centroid_values not None,\
040: np.ndarray[double, ndim=2, mode="c"] bed_vertex_values not None):
041:
042: cdef int number_of_elements
043:
+044: number_of_elements = stage_edge_values.shape[0]
__pyx_v_number_of_elements = (__pyx_v_stage_edge_values->dimensions[0]);
045:
+046: timestep = _compute_fluxes_central(number_of_elements,\
__pyx_v_timestep = _compute_fluxes_central(__pyx_v_number_of_elements, __pyx_v_timestep, __pyx_v_epsilon, __pyx_v_H0, __pyx_v_g, (&(*__Pyx_BufPtrCContig2d(long *, __pyx_pybuffernd_neighbours.rcbuffer->pybuffer.buf, __pyx_t_1, __pyx_pybuffernd_neighbours.diminfo[0].strides, __pyx_t_2, __pyx_pybuffernd_neighbours.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig2d(long *, __pyx_pybuffernd_neighbour_edges.rcbuffer->pybuffer.buf, __pyx_t_3, __pyx_pybuffernd_neighbour_edges.diminfo[0].strides, __pyx_t_4, __pyx_pybuffernd_neighbour_edges.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig2d(double *, __pyx_pybuffernd_normals.rcbuffer->pybuffer.buf, __pyx_t_5, __pyx_pybuffernd_normals.diminfo[0].strides, __pyx_t_6, __pyx_pybuffernd_normals.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig2d(double *, __pyx_pybuffernd_edgelengths.rcbuffer->pybuffer.buf, __pyx_t_7, __pyx_pybuffernd_edgelengths.diminfo[0].strides, __pyx_t_8, __pyx_pybuffernd_edgelengths.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_radii.rcbuffer->pybuffer.buf, __pyx_t_9, __pyx_pybuffernd_radii.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_areas.rcbuffer->pybuffer.buf, __pyx_t_10, __pyx_pybuffernd_areas.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(long *, __pyx_pybuffernd_tri_full_flag.rcbuffer->pybuffer.buf, __pyx_t_11, __pyx_pybuffernd_tri_full_flag.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig2d(double *, __pyx_pybuffernd_stage_edge_values.rcbuffer->pybuffer.buf, __pyx_t_12, __pyx_pybuffernd_stage_edge_values.diminfo[0].strides, __pyx_t_13, __pyx_pybuffernd_stage_edge_values.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig2d(double *, __pyx_pybuffernd_xmom_edge_values.rcbuffer->pybuffer.buf, __pyx_t_14, __pyx_pybuffernd_xmom_edge_values.diminfo[0].strides, __pyx_t_15, __pyx_pybuffernd_xmom_edge_values.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig2d(double *, __pyx_pybuffernd_ymom_edge_values.rcbuffer->pybuffer.buf, __pyx_t_16, __pyx_pybuffernd_ymom_edge_values.diminfo[0].strides, __pyx_t_17, __pyx_pybuffernd_ymom_edge_values.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig2d(double *, __pyx_pybuffernd_bed_edge_values.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_bed_edge_values.diminfo[0].strides, __pyx_t_19, __pyx_pybuffernd_bed_edge_values.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_stage_boundary_values.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_stage_boundary_values.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_xmom_boundary_values.rcbuffer->pybuffer.buf, __pyx_t_21, __pyx_pybuffernd_xmom_boundary_values.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_ymom_boundary_values.rcbuffer->pybuffer.buf, __pyx_t_22, __pyx_pybuffernd_ymom_boundary_values.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(long *, __pyx_pybuffernd_boundary_flux_type.rcbuffer->pybuffer.buf, __pyx_t_23, __pyx_pybuffernd_boundary_flux_type.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_stage_explicit_update.rcbuffer->pybuffer.buf, __pyx_t_24, __pyx_pybuffernd_stage_explicit_update.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_xmom_explicit_update.rcbuffer->pybuffer.buf, __pyx_t_25, __pyx_pybuffernd_xmom_explicit_update.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_ymom_explicit_update.rcbuffer->pybuffer.buf, __pyx_t_26, __pyx_pybuffernd_ymom_explicit_update.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig2d(long *, __pyx_pybuffernd_already_computed_flux.rcbuffer->pybuffer.buf, __pyx_t_27, __pyx_pybuffernd_already_computed_flux.diminfo[0].strides, __pyx_t_28, __pyx_pybuffernd_already_computed_flux.diminfo[1].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_max_speed_array.rcbuffer->pybuffer.buf, __pyx_t_29, __pyx_pybuffernd_max_speed_array.diminfo[0].strides))), __pyx_v_optimise_dry_cells, (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_stage_centroid_values.rcbuffer->pybuffer.buf, __pyx_t_30, __pyx_pybuffernd_stage_centroid_values.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig1d(double *, __pyx_pybuffernd_bed_centroid_values.rcbuffer->pybuffer.buf, __pyx_t_31, __pyx_pybuffernd_bed_centroid_values.diminfo[0].strides))), (&(*__Pyx_BufPtrCContig2d(double *, __pyx_pybuffernd_bed_vertex_values.rcbuffer->pybuffer.buf, __pyx_t_32, __pyx_pybuffernd_bed_vertex_values.diminfo[0].strides, __pyx_t_33, __pyx_pybuffernd_bed_vertex_values.diminfo[1].strides))));
047: timestep,\
048: epsilon,\
049: H0,\
050: g,\
+051: &neighbours[0,0],\
__pyx_t_1 = 0; __pyx_t_2 = 0;
+052: &neighbour_edges[0,0],\
__pyx_t_3 = 0; __pyx_t_4 = 0;
+053: &normals[0,0],\
__pyx_t_5 = 0; __pyx_t_6 = 0;
+054: &edgelengths[0,0],\
__pyx_t_7 = 0; __pyx_t_8 = 0;
+055: &radii[0],\
__pyx_t_9 = 0;
+056: &areas[0],\
__pyx_t_10 = 0;
+057: &tri_full_flag[0],\
__pyx_t_11 = 0;
+058: &stage_edge_values[0,0],\
__pyx_t_12 = 0; __pyx_t_13 = 0;
+059: &xmom_edge_values[0,0],\
__pyx_t_14 = 0; __pyx_t_15 = 0;
+060: &ymom_edge_values[0,0],\
__pyx_t_16 = 0; __pyx_t_17 = 0;
+061: &bed_edge_values[0,0],\
__pyx_t_18 = 0; __pyx_t_19 = 0;
+062: &stage_boundary_values[0],\
__pyx_t_20 = 0;
+063: &xmom_boundary_values[0],\
__pyx_t_21 = 0;
+064: &ymom_boundary_values[0],\
__pyx_t_22 = 0;
+065: &boundary_flux_type[0],\
__pyx_t_23 = 0;
+066: &stage_explicit_update[0],\
__pyx_t_24 = 0;
+067: &xmom_explicit_update[0],\
__pyx_t_25 = 0;
+068: &ymom_explicit_update[0],\
__pyx_t_26 = 0;
+069: &already_computed_flux[0,0],\
__pyx_t_27 = 0; __pyx_t_28 = 0;
+070: &max_speed_array[0],\
__pyx_t_29 = 0;
071: optimise_dry_cells,\
+072: &stage_centroid_values[0],\
__pyx_t_30 = 0;
+073: &bed_centroid_values[0],\
__pyx_t_31 = 0;
+074: &bed_vertex_values[0,0])
__pyx_t_32 = 0; __pyx_t_33 = 0;
075:
+076: return timestep
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077:
+078: def protect(double minimum_allowed_height,\
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079: double maximum_allowed_speed,\
080: double epsilon,\
081: np.ndarray[double, ndim=1, mode="c"] wc not None,\
082: np.ndarray[double, ndim=2, mode="c"] wv not None,\
083: np.ndarray[double, ndim=1, mode="c"] zc not None,\
084: np.ndarray[double, ndim=2, mode="c"] zv not None,\
085: np.ndarray[double, ndim=1, mode="c"] xmomc not None,\
086: np.ndarray[double, ndim=1, mode="c"] ymomc not None,\
087: np.ndarray[double, ndim=1, mode="c"] areas not None):
088:
089: cdef int N
090:
091: cdef double mass_error
092:
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094:
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108:
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110: np.ndarray[long, ndim=2, mode="c"] surrogate_neighbours not None,\
111: np.ndarray[long, ndim=1, mode="c"] number_of_boundaries not None,\
112: np.ndarray[double, ndim=2, mode="c"] centroid_coordinates not None,\
113: np.ndarray[double, ndim=1, mode="c"] stage_centroid_values not None,\
114: np.ndarray[double, ndim=1, mode="c"] xmom_centroid_values not None,\
115: np.ndarray[double, ndim=1, mode="c"] ymom_centroid_values not None,\
116: np.ndarray[double, ndim=1, mode="c"] elevation_centroid_values not None,\
117: np.ndarray[double, ndim=2, mode="c"] edge_coordinates not None,\
118: np.ndarray[double, ndim=2, mode="c"] stage_edge_values not None,\
119: np.ndarray[double, ndim=2, mode="c"] xmom_edge_values not None,\
120: np.ndarray[double, ndim=2, mode="c"] ymom_edge_values not None,\
121: np.ndarray[double, ndim=2, mode="c"] elevation_edge_values not None,\
122: np.ndarray[double, ndim=2, mode="c"] stage_vertex_values not None,\
123: np.ndarray[double, ndim=2, mode="c"] xmom_vertex_values not None,\
124: np.ndarray[double, ndim=2, mode="c"] ymom_vertex_values not None,\
125: np.ndarray[double, ndim=2, mode="c"] elevation_vertex_values not None,\
126: long optimise_dry_cells,\
127: long extrapolate_velocity_second_order):
128:
129:
130: cdef double beta_w, beta_w_dry, beta_uh, beta_uh_dry, beta_vh, beta_vh_dry
131: cdef double minimum_allowed_height, epsilon
132: cdef int number_of_elements, e
133:
+134: beta_w = domain.beta_w
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147: epsilon,\
148: minimum_allowed_height,\
149: beta_w,\
150: beta_w_dry,\
151: beta_uh,\
152: beta_uh_dry,\
153: beta_vh,\
154: beta_vh_dry,\
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171: optimise_dry_cells,\
172: extrapolate_velocity_second_order)
173:
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176:
177:
178:
179:
180: