More configurable sources. Move some math functions to core/math.h. Move delay filter from sdr_fm

1 files changed, 16 insertions, 0 deletions

diff --git a/core/math.h b/core/math.h
new file mode 100644
index 0000000..dff1ffa
--- /dev/null
+++ b/core/math.h
@@ -0,0 +1,16 @@
+#ifndef __RADIOLA_MATH
+#define __RADIOLA_MATH
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <complex.h>
+#include <math.h>
+
+float to_float(uint8_t x);
+
+float ph_ch( uint8_t i1, uint8_t q1 );
+
+void rotate_90(uint8_t *buf, uint32_t len);
+
+#endif
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