forked from sdr/gr-osmosdr
rtl, rtl_tcp: Use std::abs.
Fixes compile error on Mac OS X.
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@ -661,7 +661,7 @@ double rtl_source_c::set_if_gain(double gain, size_t chan)
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sum += gains[ j + 1 ];
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}
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double err = abs(gain - sum);
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double err = std::abs(gain - sum);
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if (err < error) {
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error = err;
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gains[ i + 1 ] = g;
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@ -432,7 +432,7 @@ double rtl_tcp_source_c::set_if_gain(double gain, size_t chan)
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sum += gains[ j + 1 ];
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}
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double err = abs(gain - sum);
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double err = std::abs(gain - sum);
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if (err < error) {
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error = err;
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gains[ i + 1 ] = g;
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