examples/vectors.boo

   1 #region license
   2 // Copyright (c) 2004, Rodrigo B. de Oliveira (rbo@acm.org)
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without modification,
   6 // are permitted provided that the following conditions are met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright notice,
   9 //     this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above copyright notice,
  11 //     this list of conditions and the following disclaimer in the documentation
  12 //     and/or other materials provided with the distribution.
  13 //     * Neither the name of Rodrigo B. de Oliveira nor the names of its
  14 //     contributors may be used to endorse or promote products derived from this
  15 //     software without specific prior written permission.
  16 //
  17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  18 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  21 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #endregion
  28
  29 class Vector3:
  30         _x as double
  31         _y as double
  32         _z as double
  33
  34         def constructor():
  35                 r = System.Random()
  36                 _x = r.Next()
  37                 _y = r.Next()
  38                 _z = r.Next()
  39
  40         def Distance(other as Vector3):
  41                 dx = _x - other._x
  42                 dy = _y - other._y
  43                 dz = _z - other._z
  44                 return System.Math.Sqrt(dx*dx+dy*dy+dz*dz)
  45                 #return 1.0
  46
  47 def createArray(count as int):
  48         a = array(Vector3, count)
  49         for i in range(count):
  50                 a[i] = Vector3()
  51         return a
  52
  53 // array as (Vector3) = array(Vector3() for i in range(length))
  54 a = createArray(25000)
  55
  56 start = date.Now
  57
  58 total = 0.0
  59 count = 0
  60
  61 for v1 in a:
  62         for v2 in a:
  63                 total += v2.Distance(v1)
  64                 ++count
  65
  66 elapsed = date.Now - start
  67 print("Total... ${total}.")
  68
  69 // a good ips value is: 13.000.000
  70 print("Done ${count} in ${elapsed.TotalSeconds} secs - ${count/elapsed.TotalSeconds} ips.")