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Merge pull request #5 from Dickby/master

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simplify most inner loops of genann_run
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Lewis Van Winkle 2017-08-20 16:57:21 -05:00 committed by GitHub
commit 88c9d3513b
1 changed files with 6 additions and 14 deletions
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genann.c
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@ -184,13 +184,9 @@ double const *genann_run(genann const *ann, double const *inputs) {
/* Figure hidden layers, if any. */ /* Figure hidden layers, if any. */
for (h = 0; h < ann->hidden_layers; ++h) { for (h = 0; h < ann->hidden_layers; ++h) {
for (j = 0; j < ann->hidden; ++j) { for (j = 0; j < ann->hidden; ++j) {
double sum = 0; double sum = *w++ * -1.0;
for (k = 0; k < (h == 0 ? ann->inputs : ann->hidden) + 1; ++k) { for (k = 0; k < (h == 0 ? ann->inputs : ann->hidden); ++k) {
if (k == 0) { sum += *w++ * i[k];
sum += *w++ * -1.0;
} else {
sum += *w++ * i[k-1];
}
} }
*o++ = act(sum); *o++ = act(sum);
} }
@ -203,13 +199,9 @@ double const *genann_run(genann const *ann, double const *inputs) {
/* Figure output layer. */ /* Figure output layer. */
for (j = 0; j < ann->outputs; ++j) { for (j = 0; j < ann->outputs; ++j) {
double sum = 0; double sum = *w++ * -1.0;
for (k = 0; k < (ann->hidden_layers ? ann->hidden : ann->inputs) + 1; ++k) { for (k = 0; k < (ann->hidden_layers ? ann->hidden : ann->inputs); ++k) {
if (k == 0) { sum += *w++ * i[k];
sum += *w++ * -1.0;
} else {
sum += *w++ * i[k-1];
}
} }
*o++ = acto(sum); *o++ = acto(sum);
} }