24 February 2018 04:19:34 PM

C_MISTAKE:
  C version
  Demonstrate some programming mistakes that are easy to  make when programming in C.

C_MISTAKE1:
  We want a table of I^J, for I = 1 to 10, and J = 0 to 5.
  We don't get it.

 I:     I^0     I^1     I^2     I^3     I^4     I^5

 1:       1       1       1       1       1       1
 2:       1       2       2       2       2       2
 3:       1       3       3       3       3       3
 4:       1       4       4       4       4       4
 5:       1       5       5       5       5       5
 6:       1       6       6       6       6       6
 7:       1       7       7       7       7       7
 8:       1       8       8       8       8       8
 9:       1       9       9       9       9       9
10:       1      10      10      10      10      10

C_MISTAKE2:
  Test a function that returns the sign (-1, 0, or +1)
  of a real number R:

   I   R    Sign

   1  -1.00   1
   2  -0.75   1
   3  -0.50   1
   4  -0.25   1
   5   0.00   1
   6   0.25   1
   7   0.50   1
   8   0.75   1
   9   1.00   1

C_MISTAKE3:
  Add up 100 random numbers, and expect a result near 50.

  Sum of 100 random numbers is 1.11331e+11

C_MISTAKE4:
  Add up 100 random numbers, and expect a result near 50.

  Sum of 100 random numbers is 0

C_MISTAKE5:
  Add up 100 random numbers, and expect a result near 50.

  Sum of 100 random numbers is 0.688981

C_MISTAKE6:
  The 11 elements of row 10 of Pascal's triangle add up to 1024.

  Sum of row 10 is 904.12

C_MISTAKE7:
  Compute sin(x) and abs(sin(x)) at 10 random values.

  7.02207  0.673461  0
  9.87146  -0.431971  0
  9.54415  -0.119088  0
  8.5127  0.79078  0
  2.89316  0.245883  0
  5.37426  -0.788845  0
  5.14435  -0.908148  0
  1.03434  0.859525  0
  4.14029  -0.840764  0
  5.76717  -0.493421  0

C_MISTAKE:
  Normal end of execution.

24 February 2018 04:19:34 PM