Add a missing #define to our MSVC project (portaudio_backend)

[ardour.git] / libs / ardour / export_format_base.cc

diff --git a/libs/ardour/export_format_base.cc b/libs/ardour/export_format_base.cc
index c218b6154a492fdd524016699eaebeb11288e183..1eda44991550f3e6267170c3f3718faef8c80fc7 100644 (file)
--- a/libs/ardour/export_format_base.cc
+++ b/libs/ardour/export_format_base.cc
@@ -185,7 +185,7 @@ ExportFormatBase::nearest_sample_rate (framecnt_t sample_rate)
        SampleRate best_match = SR_None;
 
        #define DO_SR_COMPARISON(rate) \
-       diff = std::abs((rate) - sample_rate); \
+       diff = std::fabs((double)((rate) - sample_rate)); \
        if(diff < smallest_diff) { \
                smallest_diff = diff; \
                best_match = (rate); \