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hub / github.com/devosoft/avida / Task_Log10

Method Task_Log10

avida-core/source/main/cTaskLib.cc:3062–3087  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

3060
3061
3062double cTaskLib::Task_Log10(cTaskContext& ctx) const
3063{
3064 double quality = 0.0;
3065 const cArgContainer& args = ctx.GetTaskEntry()->GetArguments();
3066
3067 const tBuffer<int>& input_buffer = ctx.GetInputBuffer();
3068 const long long test_output = ctx.GetOutputBuffer()[0];
3069 const int input_size = input_buffer.GetNumStored();
3070
3071 long long diff = ((long long)INT_MAX + 1) * 2;
3072
3073 for (int i = 0; i < input_size; i ++) {
3074 long long cur_diff = ::llabs((long long)(log10(fabs(double(input_buffer[i] ? input_buffer[i] : 1)))) - test_output);
3075 if (cur_diff < diff) diff = cur_diff;
3076 }
3077
3078 int threshold = args.GetInt(0);
3079
3080 if (threshold < 0 || diff <= threshold) { // Negative threshold == infinite
3081 // If within threshold range, quality decays based on absolute difference
3082 double halflife = -1.0 * fabs(args.GetDouble(0));
3083 quality = pow(2.0, static_cast<double>(diff) / halflife);
3084 }
3085
3086 return quality;
3087}
3088
3089
3090void cTaskLib::Load_Sqrt(const cString& name, const cString& argstr, cEnvReqs&, Feedback& feedback)

Callers

nothing calls this directly

Calls 5

GetTaskEntryMethod · 0.80
GetNumStoredMethod · 0.80
GetIntMethod · 0.80
GetArgumentsMethod · 0.45
GetDoubleMethod · 0.45

Tested by

no test coverage detected