File size: 11,725 Bytes
b1b3bae | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 | Imports DWSIM.GlobalSettings
Imports DWSIM.MathOps
Public Module SIMDExtenders
''' <summary>
''' Computes the exponential of each vector element.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function ExpY(vector As Double()) As Double()
Dim vector2(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector2(i) = Math.Exp(vector(i))
Next
Return vector2
End Function
''' <summary>
''' Computes the exponent of each vector element.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function PowY(vector As Double(), exponent As Double) As Double()
Dim vector2(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector2(i) = Math.Pow(vector(i), exponent)
Next
Return vector2
End Function
''' <summary>
''' Computes the natural logarithm of each vector element.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function LogY(vector As Double()) As Double()
Dim vector2(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector2(i) = Math.Log(vector(i))
Next
Return vector2
End Function
''' <summary>
''' Computes the absolute value of each vector element.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function AbsY(vector As Double()) As Double()
Dim vector2(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector2(i) = Math.Abs(vector(i))
Next
Return vector2
End Function
''' <summary>
''' Returns the smallest element in the vector.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function MinY(vector As Double()) As Double
Return vector.Min
End Function
''' <summary>
''' Returns the smallest non-zero element in the vector.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function MinY_NonZero(vector As Double()) As Double
Dim vector2 = vector.Where(Function(x) x > 0).ToArray()
Return vector2.Min
End Function
''' <summary>
''' Returns the biggest element in the vector.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function MaxY(vector As Double()) As Double
Return vector.Max
End Function
<System.Runtime.CompilerServices.Extension()> Public Function MaxY_NonZero(vector As Double(), refvec As Double()) As Double
Dim mult = vector.MultiplyY(refvec)
Dim r0 = refvec.Where(Function(x) x > 0).ToArray()
Dim vector2 = mult.Where(Function(x) x > 0).ToArray()
Dim val = vector2.Max
Dim m0 = r0.ToList()(vector2.ToList().IndexOf(val))
Return val / m0
End Function
<System.Runtime.CompilerServices.Extension()> Public Function MinY_NonZero(vector As Double(), refvec As Double()) As Double
Dim mult = vector.MultiplyY(refvec)
Dim r0 = refvec.Where(Function(x) x > 0).ToArray()
Dim vector2 = mult.Where(Function(x) x > 0).ToArray()
Dim val = vector2.Min
Dim m0 = r0.ToList()(vector2.ToList().IndexOf(val))
Return val / m0
End Function
''' <summary>
''' Sum of the vector elements.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function SumY(vector As Double()) As Double
Return vector.Sum
End Function
''' <summary>
''' Absolute sum of the vector elements
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function AbsSumY(vector As Double()) As Double
Return MathEx.Common.AbsSum(vector)
End Function
''' <summary>
''' Absolute square sum of vector elements.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function AbsSqrSumY(vector As Double()) As Double
Return MathEx.Common.SumSqr(vector)
End Function
''' <summary>
''' Negates the elements of a vector.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function NegateY(vector As Double()) As Double()
Dim vector0(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector0(i) = -vector(i)
Next
Return vector0
End Function
''' <summary>
''' Multiplies vector elements.
''' </summary>
''' <param name="vector1"></param>
''' <param name="vector2"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function MultiplyY(vector1 As Double(), vector2 As Double()) As Double()
Dim vector0(vector1.Length - 1) As Double
For i As Integer = 0 To vector1.Length - 1
vector0(i) = vector1(i) * vector2(i)
Next
Return vector0
End Function
''' <summary>
''' Divides vector elements.
''' </summary>
''' <param name="vector"></param>
''' <param name="vector2"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function DivideY(vector As Double(), vector2 As Double()) As Double()
Dim vector0(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector0(i) = vector(i) / vector2(i)
Next
Return vector0
End Function
''' <summary>
''' Subtracts vector elements.
''' </summary>
''' <param name="vector"></param>
''' <param name="vector2"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function SubtractY(vector As Double(), vector2 As Double()) As Double()
Dim vector0(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector0(i) = vector(i) - vector2(i)
Next
Return vector0
End Function
<System.Runtime.CompilerServices.Extension()> Public Function SubtractInversesY(vector As Double(), vector2 As Double()) As Double()
Dim vector0(vector.Length - 1) As Double
Dim invvector1(vector.Length - 1), invvector2(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
invvector1(i) = 1 / vector(i)
invvector2(i) = 1 / vector2(i)
Next
For i As Integer = 0 To vector.Length - 1
vector0(i) = invvector1(i) - invvector2(i)
Next
Return vector0
End Function
<System.Runtime.CompilerServices.Extension()> Public Function SubtractInverseY(vector As Double(), vector2 As Double()) As Double()
Dim vector0(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector0(i) = vector(i) - 1 / vector2(i)
Next
Return vector0
End Function
''' <summary>
''' Multiplies vector elements by a constant.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function MultiplyConstY(vector As Double(), constant As Double) As Double()
Dim vector0(vector.Length - 1) As Double
For i As Integer = 0 To vector.Length - 1
vector0(i) = vector(i) * constant
Next
Return vector0
End Function
''' <summary>
''' Normalizes a vector (sum = 1).
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function NormalizeY(vector As Double()) As Double()
Dim vector0(vector.Length - 1) As Double
Dim sum As Double = vector.SumY
If sum = 0.0# Then sum = 1.0# 'to handle null vectors
For i As Integer = 0 To vector.Length - 1
vector0(i) = vector(i) / sum
Next
Return vector0
End Function
''' <summary>
''' Adds vector elements.
''' </summary>
''' <param name="vector"></param>
''' <param name="vector2"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function AddY(vector As Double(), vector2 As Double()) As Double()
Dim vector0 As Double() = vector.Clone()
For i As Integer = 0 To vector.Length - 1
vector0(i) = vector(i) + vector2(i)
Next
Return vector0
End Function
''' <summary>
''' Adds a constant value to vector elements.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function AddConstY(vector As Double(), constant As Double) As Double()
Dim vector0 As Double() = vector.Clone()
For i As Integer = 0 To vector.Length - 1
vector0(i) = vector(i) + constant
Next
Return vector0
End Function
''' <summary>
''' Replace NaNs and Infinities with zero.
''' </summary>
''' <param name="vector"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function ReplaceInvalidsWithZeroes(vector As Double()) As Double()
Dim vector0 As Double() = vector.Clone()
For i As Integer = 0 To vector.Length - 1
If Double.IsNaN(vector(i)) Or Double.IsInfinity(vector(i)) Then
vector0(i) = 0.0
End If
Next
Return vector0
End Function
<System.Runtime.CompilerServices.Extension()> Public Function HasNaN(vector As Double()) As Double
Return vector.Any(Function(v) Double.IsNaN(v))
End Function
<System.Runtime.CompilerServices.Extension()> Public Function HasInf(vector As Double()) As Double
Return vector.Any(Function(v) Double.IsInfinity(v))
End Function
<System.Runtime.CompilerServices.Extension()> Public Function HasNegative(vector As Double()) As Double
Return vector.Any(Function(v) v < 0.0)
End Function
End Module
|