| 1 | using System;
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| 2 | using System.Runtime.InteropServices;
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| 3 |
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| 4 | namespace HeuristicLab.Problems.DynamicalSystemsModelling {
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| 5 | public static class CVODES {
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| 6 |
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| 7 | // CVODES types
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| 8 | public enum MultistepMethod : int { CV_ADAMS = 1, CV_BDF = 2 };
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| 9 | public enum NonlinearSolverIteration : int { CV_NEWTON = 1, CV_FUNCTIONAL = 2 };
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| 10 |
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| 11 |
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| 12 | /* itask */
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| 13 | public const int CV_NORMAL = 1;
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| 14 | public const int CV_ONE_STEP = 2;
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| 15 |
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| 16 | /* ism */
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| 17 | public const int CV_SIMULTANEOUS = 1;
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| 18 | public const int CV_STAGGERED = 2;
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| 19 | public const int CV_STAGGERED1 = 3;
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| 20 |
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| 21 | /* DQtype */
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| 22 | public const int CV_CENTERED = 1;
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| 23 | public const int CV_FORWARD = 2;
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| 24 |
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| 25 | /* interp */
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| 26 | public const int CV_HERMITE = 1;
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| 27 | public const int CV_POLYNOMIAL = 2;
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| 28 |
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| 29 | /*
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| 30 | * ----------------------------------------
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| 31 | * CVODES return flags
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| 32 | * ----------------------------------------
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| 33 | */
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| 34 |
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| 35 | public const int CV_SUCCESS = 0;
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| 36 | public const int CV_TSTOP_RETURN = 1;
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| 37 | public const int CV_ROOT_RETURN = 2;
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| 38 |
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| 39 | public const int CV_WARNING = 99;
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| 40 |
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| 41 | public const int CV_TOO_MUCH_WORK = -1;
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| 42 | public const int CV_TOO_MUCH_ACC = -2;
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| 43 | public const int CV_ERR_FAILURE = -3;
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| 44 | public const int CV_CONV_FAILURE = -4;
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| 45 |
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| 46 | public const int CV_LINIT_FAIL = -5;
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| 47 | public const int CV_LSETUP_FAIL = -6;
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| 48 | public const int CV_LSOLVE_FAIL = -7;
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| 49 | public const int CV_RHSFUNC_FAIL = -8;
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| 50 | public const int CV_FIRST_RHSFUNC_ERR = -9;
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| 51 | public const int CV_REPTD_RHSFUNC_ERR = -10;
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| 52 | public const int CV_UNREC_RHSFUNC_ERR = -11;
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| 53 | public const int CV_RTFUNC_FAIL = -12;
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| 54 | public const int CV_CONSTR_FAIL = -13;
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| 55 |
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| 56 | public const int CV_MEM_FAIL = -20;
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| 57 | public const int CV_MEM_NULL = -21;
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| 58 | public const int CV_ILL_INPUT = -22;
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| 59 | public const int CV_NO_MALLOC = -23;
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| 60 | public const int CV_BAD_K = -24;
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| 61 | public const int CV_BAD_T = -25;
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| 62 | public const int CV_BAD_DKY = -26;
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| 63 | public const int CV_TOO_CLOSE = -27;
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| 64 |
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| 65 | public const int CV_NO_QUAD = -30;
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| 66 | public const int CV_QRHSFUNC_FAIL = -31;
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| 67 | public const int CV_FIRST_QRHSFUNC_ERR = -32;
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| 68 | public const int CV_REPTD_QRHSFUNC_ERR = -33;
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| 69 | public const int CV_UNREC_QRHSFUNC_ERR = -34;
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| 70 |
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| 71 | public const int CV_NO_SENS = -40;
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| 72 | public const int CV_SRHSFUNC_FAIL = -41;
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| 73 | public const int CV_FIRST_SRHSFUNC_ERR = -42;
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| 74 | public const int CV_REPTD_SRHSFUNC_ERR = -43;
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| 75 | public const int CV_UNREC_SRHSFUNC_ERR = -44;
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| 76 |
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| 77 | public const int CV_BAD_IS = -45;
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| 78 |
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| 79 | public const int CV_NO_QUADSENS = -50;
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| 80 | public const int CV_QSRHSFUNC_FAIL = -51;
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| 81 | public const int CV_FIRST_QSRHSFUNC_ERR = -52;
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| 82 | public const int CV_REPTD_QSRHSFUNC_ERR = -53;
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| 83 | public const int CV_UNREC_QSRHSFUNC_ERR = -54;
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| 84 |
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| 85 | /*
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| 86 | * ----------------------------------------
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| 87 | * CVODEA return flags
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| 88 | * ----------------------------------------
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| 89 | */
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| 90 |
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| 91 | public const int CV_NO_ADJ = -101;
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| 92 | public const int CV_NO_FWD = -102;
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| 93 | public const int CV_NO_BCK = -103;
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| 94 | public const int CV_BAD_TB0 = -104;
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| 95 | public const int CV_REIFWD_FAIL = -105;
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| 96 | public const int CV_FWD_FAIL = -106;
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| 97 |
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| 98 |
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| 99 | public const int CV_GETY_BADT = -107;
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| 100 |
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| 101 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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| 102 | public delegate int CVRhsFunc(
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| 103 | double t, // realtype
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| 104 | IntPtr y, // N_Vector
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| 105 | IntPtr ydot, // N_Vector
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| 106 | IntPtr user_data
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| 107 | );
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| 108 |
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| 109 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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| 110 | public delegate int CVRhsFuncB(
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| 111 | double t, // realtype
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| 112 | IntPtr y, // N_Vector
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| 113 | IntPtr yB, // N_Vector
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| 114 | IntPtr yBdot, // N_Vector
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| 115 | IntPtr user_data
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| 116 | );
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| 117 |
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| 118 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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| 119 | public delegate int CVDlsJacFunc(
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| 120 | double t,
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| 121 | IntPtr y, // N_Vector
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| 122 | IntPtr fy, // N_Vector
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| 123 | IntPtr Jac, // SUNMatrix
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| 124 | IntPtr user_data,
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| 125 | IntPtr tmp1, // N_Vector
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| 126 | IntPtr tmp2, // N_Vector
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| 127 | IntPtr tmp3 // N_Vector
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| 128 | );
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| 129 |
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| 130 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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| 131 | public delegate int CVDlsJacFuncB(
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| 132 | double t,
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| 133 | IntPtr y, // N_Vector
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| 134 | IntPtr yB, // N_Vector
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| 135 | IntPtr fyB, // N_Vector
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| 136 | IntPtr Jac, // SUNMatrix
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| 137 | IntPtr user_data,
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| 138 | IntPtr tmp1, // N_Vector
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| 139 | IntPtr tmp2, // N_Vector
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| 140 | IntPtr tmp3 // N_Vector
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| 141 | );
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| 142 |
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| 143 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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| 144 | public delegate int CVQuadRhsFn(
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| 145 | double t,
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| 146 | IntPtr y, // N_Vector
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| 147 | IntPtr yQdot, // N_Vector
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| 148 | IntPtr user_data
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| 149 | );
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| 150 |
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| 151 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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| 152 | public delegate int CVQuadRhsFnB(
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| 153 | double t,
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| 154 | IntPtr y, // N_Vector
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| 155 | IntPtr yB, // N_Vector
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| 156 | IntPtr qBdot, // N_Vector
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| 157 | IntPtr user_data
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| 158 | );
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| 159 |
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| 160 |
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| 161 | // to calculate sensitivities RHS for all equations at once
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| 162 | // must compute (∂f/∂y)s_i(t) + ∂f/∂p_i
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| 163 | [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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| 164 | public delegate int CVSensRhsFn(
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| 165 | int Ns,
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| 166 | double t,
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| 167 | IntPtr y, // N_Vector
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| 168 | IntPtr ydot, // N_Vector
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| 169 | IntPtr yS, // N_Vector* one vector for each parameter
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| 170 | IntPtr ySdot, // N_Vector* one vector for each parameter
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| 171 | IntPtr user_data,
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| 172 | IntPtr tmp1, // N_Vector
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| 173 | IntPtr tmp2 // N_Vector
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| 174 | );
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| 175 |
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| 176 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeCreate", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 177 | // returns a void* to the cvodes memory block if successful otherwise NULL
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| 178 | public static extern IntPtr CVodeCreate(MultistepMethod lmm, NonlinearSolverIteration iter);
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| 179 |
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| 180 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeInit", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 181 | public static extern int CVodeInit(
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| 182 | IntPtr cvode_mem, // pointer returned by CVodeCreate
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| 183 | CVRhsFunc f,
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| 184 | double t0, // realtype, the inital value of t
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| 185 | IntPtr y0 // N_Vector the initial value of y
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| 186 | );
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| 187 |
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| 188 |
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| 189 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeSStolerances", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 190 | public static extern int CVodeSStolerances(
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| 191 | IntPtr cvode_mem,
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| 192 | double reltol,
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| 193 | double abstol
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| 194 | );
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| 195 |
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| 196 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVDlsSetLinearSolver", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 197 | public static extern int CVDlsSetLinearSolver(
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| 198 | IntPtr cvode_mem,
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| 199 | IntPtr linearSolver, // SUNLinearSolver
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| 200 | IntPtr j // SUNMatrix
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| 201 | );
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| 202 |
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| 203 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVDlsSetJacFn", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 204 | public static extern int CVDlsSetJacFn(
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| 205 | IntPtr cvode_mem,
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| 206 | CVDlsJacFunc jacFunc
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| 207 | );
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| 208 |
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| 209 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeSensInit", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 210 | public static extern int CVodeSensInit(
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| 211 | IntPtr cvode_mem,
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| 212 | int Ns, // number of parameters
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| 213 | int ism, // sensitivity solution method, CV_SIMULTANEOUS or CV_STAGGERED
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| 214 | CVSensRhsFn fS, // right hand side function which computes all sensitivity RHS at the same time
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| 215 | IntPtr yS0 // N_Vector
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| 216 | );
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| 217 |
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| 218 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeSensSStolerances", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 219 | public static extern int CVodeSensSStolerances(
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| 220 | IntPtr cvode_mem,
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| 221 | double reltol,
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| 222 | double[] abstol
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| 223 | );
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| 224 |
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| 225 | /* Call CVodeSensEEtolerances to estimate tolerances for sensitivity
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| 226 | variables based on the rolerances supplied for states variables and
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| 227 | the scaling factor pbar */
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| 228 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeSensEEtolerances", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 229 | public static extern int CVodeSensEEtolerances(
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| 230 | IntPtr cvode_mem
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| 231 | );
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| 232 |
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| 233 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeGetSens", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 234 | public static extern int CVodeGetSens(
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| 235 | IntPtr cvode_mem,
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| 236 | ref double tret,
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| 237 | IntPtr yS //N_Vector*, one vector for each parameter
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| 238 | );
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| 239 |
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| 240 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeQuadInit", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 241 | public static extern int CVodeQuadInit(
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| 242 | IntPtr cvode_mem,
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| 243 | CVQuadRhsFn qF,
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| 244 | IntPtr yQ0 // N_Vector, initial value of yQ
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| 245 | );
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| 246 |
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| 247 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeQuadInitB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 248 | public static extern int CVodeQuadInitB(
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| 249 | IntPtr cvode_mem,
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| 250 | int indexB,
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| 251 | CVQuadRhsFnB rhsQB,
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| 252 | IntPtr yQB0 // N_Vector, initial value of yQB
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| 253 | );
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| 254 |
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| 255 |
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| 256 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeAdjInit", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 257 | public static extern int CVodeAdjInit(
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| 258 | IntPtr cvode_mem,
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| 259 | int nd, // integration steps between checkpoints
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| 260 | int interpType // either CV_POLYNOMIAL or CV_HERMITE
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| 261 | );
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| 262 |
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| 263 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeF", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 264 | public static extern int CVodeF(
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| 265 | IntPtr cvode_mem,
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| 266 | double t_out, // the next time at which a computed solution is desired
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| 267 | IntPtr y, // N_Vector, the solution vector y
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| 268 | ref double t_ret, // the time reached by the solver (output)
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| 269 | int itask, // CV_NORMAL or CV_ONE_STEP
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| 270 | ref int ncheck // the number of internal checkpoints stored so far.
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| 271 | );
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| 272 |
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| 273 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeGetNumSteps", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 274 | public static extern int CVodeGetNumSteps(
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| 275 | IntPtr cvode_mem,
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| 276 | ref long ncheck // the number of steps taken
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| 277 | );
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| 278 |
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| 279 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeCreateB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 280 | public static extern int CVodeCreateB(
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| 281 | IntPtr cvode_mem,
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| 282 | MultistepMethod lmmB,
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| 283 | NonlinearSolverIteration iterB,
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| 284 | ref int which
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| 285 | );
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| 286 |
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| 287 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeInitB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 288 | public static extern int CVodeInitB(
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| 289 | IntPtr cvode_mem,
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| 290 | int which,
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| 291 | CVRhsFuncB rightHandSide,
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| 292 | double tB0, // endpoint T where final conditions are provided (equal to endpoint of forward integration)
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| 293 | IntPtr yB0 // N_Vector inital value at t=tb0 of backward solution
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| 294 | );
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| 295 |
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| 296 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVode", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 297 | public static extern int CVode(
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| 298 | IntPtr cvode_mem,
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| 299 | double tout, // next time at which a solution is desired
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| 300 | IntPtr yout, // N_Vector
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| 301 | ref double tret, // the time reached by the solver (output)
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| 302 | int itask // flag indicating the job of the solver for the next step.
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| 303 | );
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| 304 |
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| 305 |
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| 306 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeSStolerancesB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 307 | public static extern int CVodeSStolerancesB(
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| 308 | IntPtr cvode_mem,
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| 309 | int which,
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| 310 | double reltol,
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| 311 | double abstol
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| 312 | );
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| 313 |
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| 314 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVDlsSetLinearSolverB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 315 | public static extern int CVDlsSetLinearSolverB(
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| 316 | IntPtr cvode_mem,
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| 317 | int which,
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| 318 | IntPtr linearSolver, // SUNLinearSolver
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| 319 | IntPtr j // SUNMatrix
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| 320 | );
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| 321 |
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| 322 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVDlsSetJacFnB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 323 | public static extern int CVDlsSetJacFnB(
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| 324 | IntPtr cvode_mem,
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| 325 | int which,
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| 326 | CVDlsJacFuncB jacFunc
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| 327 | );
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| 328 |
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| 329 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 330 | public static extern int CVodeB(
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| 331 | IntPtr cvode_mem,
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| 332 | double tout, // next time at which a solution is desired
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| 333 | int itask // flag indicating the job of the solver for the next step.
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| 334 | );
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| 335 |
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| 336 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeGetB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 337 | public static extern int CVodeGetB(
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| 338 | IntPtr cvode_mem,
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| 339 | int which,
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| 340 | ref double tret,
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| 341 | IntPtr yB // the backward solution at time tret
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| 342 | );
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| 343 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeGetAdjY", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 344 | public static extern int CVodeGetAdjY(
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| 345 | IntPtr cvode_mem,
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| 346 | double t,
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| 347 | IntPtr y // the forward solution y(t)
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| 348 | );
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| 349 |
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| 350 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeGetAdjCVodeBmem", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 351 | public static extern IntPtr CVodeGetAdjCVodeBmem(
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| 352 | IntPtr cvode_mem,
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| 353 | int which
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| 354 | );
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| 355 |
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| 356 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeGetQuadB", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 357 | public static extern int CVodeGetQuadB(
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| 358 | IntPtr cvode_mem,
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| 359 | int which,
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| 360 | ref double tret,
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| 361 | IntPtr yQB // N_Vector
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| 362 | );
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| 363 |
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| 364 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "CVodeFree", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 365 |
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| 366 | public static extern int CVodeFree(ref IntPtr cvode_mem);
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| 367 |
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| 368 | #region matrix
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| 369 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNDenseMatrix", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 370 | public static extern IntPtr SUNDenseMatrix(long m, long n);
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| 371 |
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| 372 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNMatDestroy", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 373 | public static extern void SUNMatDestroy(IntPtr A);
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| 374 |
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| 375 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNDenseMatrix_Data", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 376 | public unsafe static extern double* SUNDenseMatrix_Data(IntPtr matrix);
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| 377 |
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| 378 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNDenseMatrix_Cols", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 379 | public static extern long SUNDenseMatrix_Cols(IntPtr matrix);
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| 380 |
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| 381 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNDenseMatrix_Rows", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 382 | public static extern long SUNDenseMatrix_Rows(IntPtr matrix);
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| 383 |
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| 384 |
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| 385 | public unsafe static double SUNDenseMatrix_Get(IntPtr mat, long i, long j) {
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| 386 | long M = SUNDenseMatrix_Rows(mat);
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| 387 | // the(i, j)th element of A(with 0 <= i<M and 0 <= j<N) is given by(A->data)[j*M+i]
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| 388 | return SUNDenseMatrix_Data(mat)[j * M + i];
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| 389 | }
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| 390 |
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| 391 | public unsafe static void SUNDenseMatrix_Set(IntPtr mat, long i, long j, double val) {
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| 392 | long M = SUNDenseMatrix_Rows(mat);
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| 393 | // the(i, j)th element of A(with 0 <= i<M and 0 <= j<N) is given by(A->data)[j*M+i]
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| 394 | SUNDenseMatrix_Data(mat)[j * M + i] = val;
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| 395 | }
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| 396 |
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| 397 | #endregion
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| 398 |
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| 399 | #region linear solver
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| 400 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNDenseLinearSolver", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 401 | public static extern IntPtr SUNDenseLinearSolver(
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| 402 | IntPtr y, // N_Vector
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| 403 | IntPtr A // SUNMatrix
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| 404 | );
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| 405 |
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| 406 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNLinSolInitialize", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 407 | public static extern int SUNLinSolInitialize(IntPtr linearSolver);
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| 408 |
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| 409 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNLinSolSetup", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 410 | public static extern int SUNLinSolSetup(
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| 411 | IntPtr linearSolver,
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| 412 | IntPtr A // SUNMatrix
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| 413 | );
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| 414 |
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| 415 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNLinSolSolve", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 416 | public static extern int SUNLinSolSolve(
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| 417 | IntPtr linearSolver,
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| 418 | IntPtr A, // SUNMatrix
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| 419 | IntPtr x, // N_Vector
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| 420 | IntPtr b, // N_Vector
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| 421 | double tol
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| 422 | );
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| 423 |
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| 424 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "SUNLinSolFree", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 425 | public static extern int SUNLinSolFree(IntPtr linearSolver);
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| 426 |
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| 427 | #endregion
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| 428 |
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| 429 | #region N_Vector
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| 430 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VNew_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 431 | public static extern IntPtr N_VNew_Serial(long vec_length);
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| 432 |
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| 433 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VDestroy_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 434 | public static extern void N_VDestroy_Serial(IntPtr vec);
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| 435 |
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| 436 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VDestroyVectorArray_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 437 | public static extern void N_VDestroyVectorArray_Serial(IntPtr vecArr, int count);
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| 438 |
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| 439 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VPrint_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 440 | public static extern void N_VPrint_Serial(IntPtr vec);
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| 441 |
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| 442 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VConst_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 443 | public static extern void N_VConst_Serial(double c, IntPtr vec);
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| 444 |
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| 445 |
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| 446 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VL1Norm_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 447 | public static extern double N_VL1Norm_Serial(IntPtr vec);
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| 448 |
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| 449 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VMake_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 450 | public static extern IntPtr N_VMake_Serial(long vec_length, double[] v_data);
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| 451 |
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| 452 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VScale", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 453 | /// Performs the operation z = c*x
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| 454 | public static extern void N_VScale(double s,
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| 455 | IntPtr x, // N_Vector
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| 456 | IntPtr z // N_Vector
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| 457 | );
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| 458 |
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| 459 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VMake_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 460 | public unsafe static extern double* N_VGetArrayPointer_Serial(IntPtr vec);
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| 461 |
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| 462 | [DllImport("sundials_cvodes-x86.dll", EntryPoint = "N_VCloneVectorArray_Serial", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
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| 463 | public static extern IntPtr N_VCloneVectorArray_Serial(int count, IntPtr vec); // returns N_Vector* !
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| 464 |
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| 465 |
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| 466 | /*
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| 467 | #define NV_CONTENT_S(v) ( (N_VectorContent_Serial)(v->content) )
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| 468 |
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| 469 | #define NV_LENGTH_S(v) ( NV_CONTENT_S(v)->length )
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| 470 |
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| 471 | #define NV_OWN_DATA_S(v) ( NV_CONTENT_S(v)->own_data )
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| 472 |
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| 473 | #define NV_DATA_S(v) ( NV_CONTENT_S(v)->data )
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| 474 |
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| 475 | #define NV_Ith_S(v,i) ( NV_DATA_S(v)[i] )
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| 476 | */
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| 477 | // methods for macros
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| 478 | public unsafe static int* NV_CONTENT_S(IntPtr v) {
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| 479 | int* content = (int*)*(int*)v.ToPointer();
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| 480 | return content;
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| 481 | }
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| 482 |
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| 483 | public unsafe static long NV_LENGTH_S(IntPtr v) {
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| 484 | long length = *NV_CONTENT_S(v);
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| 485 | return length;
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| 486 | }
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| 487 | public unsafe static bool NV_OWN_DATA_S(IntPtr v) {
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| 488 | var content = NV_CONTENT_S(v);
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| 489 | int own_data = *(content + 2);
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| 490 | return own_data > 0;
|
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| 491 | }
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| 492 | public unsafe static double* NV_DATA_S(IntPtr v) {
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| 493 | var content = NV_CONTENT_S(v);
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| 494 | double* data = (double*)*(content + 3);
|
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| 495 | return data;
|
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| 496 | }
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| 497 | public unsafe static double NV_Get_Ith_S(IntPtr v, long i) {
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| 498 | return NV_DATA_S(v)[i];
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| 499 | }
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| 500 | public unsafe static void NV_Set_Ith_S(IntPtr v, long i, double val) {
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| 501 | NV_DATA_S(v)[i] = val;
|
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| 502 | }
|
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| 503 | #endregion
|
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| 504 |
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| 505 |
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| 506 | }
|
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| 507 | }
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