""

svn path=/trunk/; revision=325

1 files changed, 60 insertions, 0 deletions

diff --git a/externals/grill/fftease/src/pv.h b/externals/grill/fftease/src/pv.h
new file mode 100644
index 00000000..b945e72e
--- /dev/null
+++ b/externals/grill/fftease/src/pv.h
@@ -0,0 +1,60 @@
+/*
+ *  This file is part of the pv-lib
+ *
+ *  The pv-lib can be used by everyone as desired
+ *
+ *  (c) Eric Lyon and Christopher Penrose
+ */
+
+#include <stdio.h>
+
+// -------------------------------------
+// modifications by Thomas Grill
+
+//#include <fts/fts.h>
+#include <math.h>
+
+#ifdef _MSC_VER
+#pragma warning(disable: 4305)
+#pragma warning(disable: 4244)
+#pragma warning(disable: 4101)
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// -------------------------------------
+
+
+#define FORWARD 1
+#define INVERSE 0
+
+typedef struct {
+  float    min;
+  float    max;
+} Bound;
+
+void init_rdft(int n, int *ip, float *w);
+void rdft(int n, int isgn, float *a, int *ip, float *w);
+void fold( float *I, float *W, int Nw, float *O, int N, int n );
+void overlapadd(float *I, int N, float *W, float *O, int Nw, int n );
+void makehanning( float *H, float *A, float *S, int Nw, int N, int I, int osc, int odd );
+void makewindows( float *H, float *A, float *S, int Nw, int N, int I, int osc );
+void leanconvert( float *S, float *C, int N2 );
+void leanunconvert( float *C, float *S, int N2 );
+void rfft( float *x, int N, int forward );
+void cfft( float *x, int NC, int forward );
+void convert_new(float *S, float *C, int N2, float *lastphase,  float fundamental, float factor );
+void convert(float *S, float *C, int N2, float *lastphase,  float fundamental, float factor );
+void unconvert(float  *C, float *S, int N2, float *lastphase, float fundamental,  float factor );
+
+
+// -------------------------------------
+
+#ifdef __cplusplus
+}
+#endif
+
+// -------------------------------------
+