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-rw-r--r--src/signalProcessing/fft/r8tx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/signalProcessing/fft/r8tx.c b/src/signalProcessing/fft/r8tx.c
index 00b790f8..1d109de3 100644
--- a/src/signalProcessing/fft/r8tx.c
+++ b/src/signalProcessing/fft/r8tx.c
@@ -11,6 +11,7 @@
*/
#include "fft_internal.h"
+#include <math.h>
void r8tx ( int _iTempDimen , int _iDimen , int _iLengt , double* _pdblReal, double* _pdblImag )