conversion error related to array index
thorstein
torsten.lange at mail.de
Wed Oct 4 09:04:10 UTC 2017
Hi,
I get the following compile error with this function below:
source\mod_data\matrices.d(66,12): Error: cannot implicitly
convert expression (j) of type ulong to uint
(66,12) is [j] in row[j]
Using uint as type for rows, cols (i.e. the indices) works. Is
ulong not allowed for array indices? I could not find the
respective information.
Thanks!
49 private double[][] matrix_uniform(ulong rows, ulong cols,
double lbound, double ubound, ulong precision)
50 {
51 double[][] array;
52 double[] rowT;
53 auto gen = Random(unpredictableSeed);
54 auto rndUniform = uniform(lbound, ubound, gen);
55
56 foreach(ulong i; 0..cols)
57 {
58 rowT ~= 0;
59 }
60
61 foreach(ulong i; 0..rows)
62 {
63 foreach(ulong j; 0..cols)
64 {
65 rndUniform = uniform(lbound, ubound, gen);
66 rowT[j] = to!double(rndUniform) / 10^^precision;
67 }
68 array ~= rowT.dup;
69 }
70 return array;
71 }
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