Thanks for replies.
Now I have:
gdouble value = 4.1;
gchar buffer[G_ASCII_DTOSTR_BUF_SIZE];
gtk_entry_set_text (GTK_ENTRY (value_entry), \
g_ascii_dtostr(buffer, G_ASCII_DTOSTR_BUF_SIZE, value));
but on output I got for value -> 4.0999999999999996
How can I "round" value? Or g_ascii_formatd(...) is more appropriate?
Giulio
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