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--- fsom.c.orig 2015-11-21 16:35:06 UTC
+++ fsom.c
@@ -31,6 +31,10 @@
#define M_E 2.7182818284590452354
#endif
+#ifndef ABS
+#define ABS(x) ((x) < 0 ? -(x) : (x))
+#endif
+
/**
* \brief Create a new synapsis between two neurons
* \param input_neuron Input neuron for the synapsis
@@ -591,10 +595,10 @@ som_train_iteration ( som_network_t *net
som_neuron_t *neuron;
for ( i=0; i < net->output_layer->neurons_rows; ++i )
{
- dist_i = abs( x - i );
+ dist_i = ABS( x - i );
for ( j=0; j < net->output_layer->neurons_cols; ++j )
{
- dist = pow( dist_i + abs ( y - j ), 4 );
+ dist = pow( dist_i + ABS ( y - j ), 4 );
inv_dist = (1.0 / ((double) dist + 1)) * l_rate;
neuron = net->output_layer->neurons[i][j];
for ( k=0; k < net->input_layer->neurons_count; ++k )
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