Generated by Cython 0.23.4
Yellow lines hint at Python interaction.
Click on a line that starts with a "+" to see the C code that Cython generated for it.
Raw output: PP.c
+001: ####################
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002: # Cython (CONCEPT) #
003: ####################
004: # This module contains imports, Cython declarations and values
005: # of parameters common to all other modules. Each module should have
006: # 'from commons import *' as its first statement.
007:
008: ############################################
009: # Imports common to pure Python and Cython #
010: ############################################
011: # Miscellaneous modules
+012: import cython, numpy as np, re, sys, unicodedata
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+013: from numpy import pi as __UNICODE__GREEK__space__SMALL__space__LETTER__space__PI
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014:
015:
016: ########################################
017: # Cython and pure Python related stuff #
018: ########################################
019: # C type names to Numpy dtype names
020: cython.declare(C2np='dict')
+021: C2np = { 'bint': np.bool, 'char' : np.byte, 'short' : np.short, 'int' : np.intc, 'long int' : np.long, 'long long int': np.longlong, 'ptrdiff_t' : np.intp, 'Py_ssize_t' : np.intp, 'unsigned char' : np.ubyte, 'unsigned short' : np.ushort, 'unsigned int' : np.uintc, 'unsigned long int' : np.uint, 'unsigned long long int': np.ulonglong, 'size_t' : np.uintp, 'float' : np.single, 'double' : np.double, 'long float': np.longfloat, }
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022: # In NumPy, binary operations between some unsigned int types (unsigned
023: # long int, unsigned long long int, size_t) and signed int types results
024: # in a double, rather than a signed int.
025: # Get around this bug by never using these particular unsigned ints.
026: # Declarations exclusively to either pure Python or Cython
027: # Lines in triple quotes will be executed in .pyx files
028:
029: # Get full access to all of Cython
030: cimport cython
031: # Mathematical functions
032: from libc.math cimport round
033: # Import the signed integer type ptrdiff_t
034: from libc.stddef cimport ptrdiff_t
035: # Functions for manual memory management
036: from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free
037: # Function type definitions of the form func_returntype_argumenttypes
+038: ctypedef bint (*func_b_ddd) (double, double, double)
typedef int (*__pyx_t_2PP_func_b_ddd)(double, double, double);
+039: ctypedef double (*func_d_dd) (double, double)
typedef double (*__pyx_t_2PP_func_d_dd)(double, double);
+040: ctypedef double (*func_d_ddd) (double, double, double)
typedef double (*__pyx_t_2PP_func_d_ddd)(double, double, double);
+041: ctypedef double* (*func_ddd_ddd)(double, double, double)
typedef double *(*__pyx_t_2PP_func_ddd_ddd)(double, double, double);
042: # Create a fused number type containing all necessary numerical types
043: ctypedef fused number:
044: cython.int
045: cython.size_t
046: cython.Py_ssize_t
047: cython.float
048: cython.double
049: # Create another fused number type, so that function arguments can have
050: # different specializations.
051: ctypedef fused number2:
052: cython.int
053: cython.size_t
054: cython.Py_ssize_t
055: cython.float
056: cython.double
057: # Create integer and floating fused types
058: ctypedef fused integer:
059: cython.int
060: cython.size_t
061: cython.Py_ssize_t
062: ctypedef fused floating:
063: cython.float
064: cython.double
065: # Custom classes
066: # ...
067:
068: # Seperate but equivalent imports and
069: # definitions in pure Python and Cython
070: # Lines in triple quotes will be executed in .pyx files.
071:
072: # Mathematical constants and functions
073: from libc.math cimport (M_PI as pi, sin, cos, tan, asin as arcsin, acos as arccos, atan as arctan, sinh, cosh, tanh, asinh as arcsinh, acosh as arccosh, atanh as arctanh, exp, log, log2, log10, sqrt, erf, erfc )
074: # The pyxpp script convert all Unicode source code characters into
075: # ASCII. The function below grants the code access to
076: # Unicode string literals, by undoing the convertion.
077: @cython.cfunc
078: @cython.inline
079: @cython.boundscheck(False)
080: @cython.cdivision(True)
081: @cython.initializedcheck(False)
082: @cython.wraparound(False)
083: @cython.locals(c='str', )
084: @cython.returns('str')
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PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "replace");
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__Pyx_DECREF_SET(__pyx_v_c, ((PyObject*)__pyx_t_4));
__pyx_t_4 = 0;
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091:
092: ################
093: # Pure numbers #
094: ################
095: # Implement any pure number as __UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R[expression]
096: # Cython declaretions of pure numbers appears below in .pyx files
097:
098:
099:
100:
101: # Declarations
102: cython.declare(N='Py_ssize_t', N_times='Py_ssize_t', i='Py_ssize_t', r='double[:, ::1]', p='double[:, ::1]', dr='double[::1]', )
103:
104: # Read in number of timesteps
+105: N_times = int(sys.argv[1])
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106: # Constants
+107: G = 6.67408e-11
if (PyDict_SetItem(__pyx_d, __pyx_n_s_G, __pyx_float_6_67408eneg_11) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+108: m = 42
if (PyDict_SetItem(__pyx_d, __pyx_n_s_m, __pyx_int_42) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+109: dt = 1e-3
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110: cython.declare(__UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_tim_G_tim_m_tim_m='double')
+111: __UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_tim_G_tim_m_tim_m = dt*G*m*m
__pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_dt); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_3); __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_G); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __pyx_t_1 = PyNumber_Multiply(__pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_1); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_m); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __pyx_t_3 = PyNumber_Multiply(__pyx_t_1, __pyx_t_2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_m); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __pyx_t_1 = PyNumber_Multiply(__pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_1); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_5 = __pyx_PyFloat_AsDouble(__pyx_t_1); if (unlikely((__pyx_t_5 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; __pyx_v_2PP___UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_tim_G_tim_m_tim_m = __pyx_t_5;
112: cython.declare(__UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_div_m='double')
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114: # Create random initial conditions
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__pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_random); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_1); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_rand); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; __pyx_t_1 = PyInt_FromSsize_t(__pyx_v_2PP_N); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_1); __pyx_t_6 = NULL; __pyx_t_4 = 0; if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_2))) { __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_2); if (likely(__pyx_t_6)) { PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2); __Pyx_INCREF(__pyx_t_6); __Pyx_INCREF(function); __Pyx_DECREF_SET(__pyx_t_2, function); __pyx_t_4 = 1; } } __pyx_t_7 = PyTuple_New(2+__pyx_t_4); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_7); if (__pyx_t_6) { __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_6); __pyx_t_6 = NULL; } __Pyx_GIVEREF(__pyx_t_1); PyTuple_SET_ITEM(__pyx_t_7, 0+__pyx_t_4, __pyx_t_1); __Pyx_INCREF(__pyx_int_3); __Pyx_GIVEREF(__pyx_int_3); PyTuple_SET_ITEM(__pyx_t_7, 1+__pyx_t_4, __pyx_int_3); __pyx_t_1 = 0; __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_7, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_8 = __Pyx_PyObject_to_MemoryviewSlice_d_dc_double(__pyx_t_3); if (unlikely(!__pyx_t_8.memview)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __PYX_XDEC_MEMVIEW(&__pyx_v_2PP_r, 1); __pyx_v_2PP_r = __pyx_t_8; __pyx_t_8.memview = NULL; __pyx_t_8.data = NULL;
+117: p = np.random.rand(N, 3)
__pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __pyx_t_7 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_random); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_7); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_7, __pyx_n_s_rand); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0; __pyx_t_7 = PyInt_FromSsize_t(__pyx_v_2PP_N); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_7); __pyx_t_1 = NULL; __pyx_t_4 = 0; if (CYTHON_COMPILING_IN_CPYTHON && likely(PyMethod_Check(__pyx_t_2))) { __pyx_t_1 = PyMethod_GET_SELF(__pyx_t_2); if (likely(__pyx_t_1)) { PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2); __Pyx_INCREF(__pyx_t_1); __Pyx_INCREF(function); __Pyx_DECREF_SET(__pyx_t_2, function); __pyx_t_4 = 1; } } __pyx_t_6 = PyTuple_New(2+__pyx_t_4); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_6); if (__pyx_t_1) { __Pyx_GIVEREF(__pyx_t_1); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_1); __pyx_t_1 = NULL; } __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_4, __pyx_t_7); __Pyx_INCREF(__pyx_int_3); __Pyx_GIVEREF(__pyx_int_3); PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_4, __pyx_int_3); __pyx_t_7 = 0; __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_6, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_8 = __Pyx_PyObject_to_MemoryviewSlice_d_dc_double(__pyx_t_3); if (unlikely(!__pyx_t_8.memview)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __PYX_XDEC_MEMVIEW(&__pyx_v_2PP_p, 1); __pyx_v_2PP_p = __pyx_t_8; __pyx_t_8.memview = NULL; __pyx_t_8.data = NULL;
118: # Allocations
+119: dr = np.empty(3)
__pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_3); __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_empty); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_tuple__16, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_9 = __Pyx_PyObject_to_MemoryviewSlice_dc_double(__pyx_t_3); if (unlikely(!__pyx_t_9.memview)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __PYX_XDEC_MEMVIEW(&__pyx_v_2PP_dr, 1); __pyx_v_2PP_dr = __pyx_t_9; __pyx_t_9.memview = NULL; __pyx_t_9.data = NULL; /* … */ __pyx_tuple__16 = PyTuple_Pack(1, __pyx_int_3); if (unlikely(!__pyx_tuple__16)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_tuple__16); __Pyx_GIVEREF(__pyx_tuple__16);
120:
121: @cython.cfunc
122: @cython.inline
123: @cython.boundscheck(False)
124: @cython.cdivision(True)
125: @cython.initializedcheck(False)
126: @cython.wraparound(False)
127: @cython.locals(i='Py_ssize_t', j='Py_ssize_t',
128: ri='double*', rj='double*', pi='double*', pj='double*',
129: norm3='double', dp='double',
130: )
+131: def timestep():
static CYTHON_INLINE PyObject *__pyx_f_2PP_timestep(void) {
double *__pyx_v_pj;
Py_ssize_t __pyx_v_j;
double __pyx_v_dp;
Py_ssize_t __pyx_v_i;
double *__pyx_v_ri;
double *__pyx_v_rj;
double *__pyx_v_pi;
double __pyx_v_norm3;
long __pyx_v_dim;
PyObject *__pyx_r = NULL;
__Pyx_RefNannyDeclarations
__Pyx_RefNannySetupContext("timestep", 0);
/* … */
/* function exit code */
__pyx_r = Py_None; __Pyx_INCREF(Py_None);
__Pyx_XGIVEREF(__pyx_r);
__Pyx_RefNannyFinishContext();
return __pyx_r;
}
132: # Pairwise loop
+133: for i in range(N):
__pyx_t_1 = __pyx_v_2PP_N;
for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
__pyx_v_i = __pyx_t_2;
+134: ri = cython.address(r[i, 0])
__pyx_t_3 = __pyx_v_i;
__pyx_t_4 = 0;
__pyx_v_ri = (&(*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_2PP_r.data + __pyx_t_3 * __pyx_v_2PP_r.strides[0]) )) + __pyx_t_4)) ))));
+135: pi = cython.address(p[i, 0])
__pyx_t_5 = __pyx_v_i;
__pyx_t_6 = 0;
__pyx_v_pi = (&(*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_2PP_p.data + __pyx_t_5 * __pyx_v_2PP_p.strides[0]) )) + __pyx_t_6)) ))));
+136: for j in range(i + 1, N):
__pyx_t_7 = __pyx_v_2PP_N;
for (__pyx_t_8 = (__pyx_v_i + 1); __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_j = __pyx_t_8;
+137: rj = cython.address(r[j, 0])
__pyx_t_9 = __pyx_v_j;
__pyx_t_10 = 0;
__pyx_v_rj = (&(*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_2PP_r.data + __pyx_t_9 * __pyx_v_2PP_r.strides[0]) )) + __pyx_t_10)) ))));
+138: pj = cython.address(p[j, 0])
__pyx_t_11 = __pyx_v_j;
__pyx_t_12 = 0;
__pyx_v_pj = (&(*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_2PP_p.data + __pyx_t_11 * __pyx_v_2PP_p.strides[0]) )) + __pyx_t_12)) ))));
139: # Gravity
+140: norm3 = 0
__pyx_v_norm3 = 0.0;
+141: for dim in range(3):
for (__pyx_t_13 = 0; __pyx_t_13 < 3; __pyx_t_13+=1) {
__pyx_v_dim = __pyx_t_13;
+142: dr[dim] = ri[dim] - rj[dim]
__pyx_t_14 = __pyx_v_dim;
*((double *) ( /* dim=0 */ ((char *) (((double *) __pyx_v_2PP_dr.data) + __pyx_t_14)) )) = ((__pyx_v_ri[__pyx_v_dim]) - (__pyx_v_rj[__pyx_v_dim]));
+143: norm3 += (dr[dim]*dr[dim])
__pyx_t_15 = __pyx_v_dim;
__pyx_t_16 = __pyx_v_dim;
__pyx_v_norm3 = (__pyx_v_norm3 + ((*((double *) ( /* dim=0 */ ((char *) (((double *) __pyx_v_2PP_dr.data) + __pyx_t_15)) ))) * (*((double *) ( /* dim=0 */ ((char *) (((double *) __pyx_v_2PP_dr.data) + __pyx_t_16)) )))));
}
+144: norm3 = norm3** (1.5)
__pyx_v_norm3 = pow(__pyx_v_norm3, 1.5);
+145: for dim in range(3):
for (__pyx_t_13 = 0; __pyx_t_13 < 3; __pyx_t_13+=1) {
__pyx_v_dim = __pyx_t_13;
+146: dp = __UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_tim_G_tim_m_tim_m*dr[dim]/norm3
__pyx_t_17 = __pyx_v_dim;
__pyx_v_dp = ((__pyx_v_2PP___UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_tim_G_tim_m_tim_m * (*((double *) ( /* dim=0 */ ((char *) (((double *) __pyx_v_2PP_dr.data) + __pyx_t_17)) )))) / __pyx_v_norm3);
147: # Time evolution
+148: pi[dim] += dp
__pyx_t_18 = __pyx_v_dim;
(__pyx_v_pi[__pyx_t_18]) = ((__pyx_v_pi[__pyx_t_18]) + __pyx_v_dp);
+149: pj[dim] -= dp
__pyx_t_18 = __pyx_v_dim;
(__pyx_v_pj[__pyx_t_18]) = ((__pyx_v_pj[__pyx_t_18]) - __pyx_v_dp);
+150: ri[dim] += pi[dim]*__UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_div_m
__pyx_t_18 = __pyx_v_dim;
(__pyx_v_ri[__pyx_t_18]) = ((__pyx_v_ri[__pyx_t_18]) + ((__pyx_v_pi[__pyx_v_dim]) * __pyx_v_2PP___UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_div_m));
+151: rj[dim] += pj[dim]*__UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_div_m
__pyx_t_18 = __pyx_v_dim;
(__pyx_v_rj[__pyx_t_18]) = ((__pyx_v_rj[__pyx_t_18]) + ((__pyx_v_pj[__pyx_v_dim]) * __pyx_v_2PP___UNICODE__DOUBLE__dash__STRUCK__space__CAPITAL__space__R_dt_div_m));
}
}
}
152:
153: # Time loop
+154: for i in range(N_times):
__pyx_t_4 = __pyx_v_2PP_N_times;
for (__pyx_t_10 = 0; __pyx_t_10 < __pyx_t_4; __pyx_t_10+=1) {
__pyx_v_2PP_i = __pyx_t_10;
+155: timestep()
__pyx_t_3 = __pyx_f_2PP_timestep(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; }
156: