diff src/vamp-sdk/FFTimpl.cpp @ 449:b89653767a60 vampipe

Add forgotten file...

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/vamp-sdk/FFTimpl.cpp	Mon Aug 22 10:14:49 2016 +0100
@@ -0,0 +1,32 @@
+
+// Override C linkage for KissFFT headers. So long as we have already
+// included all of the other (system etc) headers KissFFT depends on,
+// this should work out OK
+#undef __cplusplus
+
+namespace Kiss {
+
+#undef KISS_FFT_H
+#undef KISS_FTR_H
+#undef KISS_FFT__GUTS_H
+#undef FIXED_POINT
+#undef USE_SIMD
+#undef kiss_fft_scalar
+
+#ifdef SINGLE_PRECISION_FFT
+#pragma message("Using single-precision FFTs")
+typedef float kiss_fft_scalar;
+#define kiss_fft_scalar float
+#else
+typedef double kiss_fft_scalar;
+#define kiss_fft_scalar double
+#endif
+
+inline void free(void *ptr) { ::free(ptr); }
+#include "ext/kiss_fft.c"
+#include "ext/kiss_fftr.c"
+
+#undef kiss_fft_scalar // leaving only the namespaced typedef
+
+}
+