Changeset ee8a57c

Timestamp:

Mar 10, 2017, 5:17:33 PM (8 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, sampler

Children:

e149aa9

Parents:

155cc10

Message:

src/mathutils.h: add fvec_push

Location:

src

Files:

• mathutils.c (modified) (1 diff)
• mathutils.h (modified) (1 diff)

src/mathutils.c

@@ -290 +290 @@
 }
 
+void fvec_push(fvec_t *in, smpl_t new_elem) {
+  uint_t i;
+  for (i = 0; i < in->length - 1; i++) {
+    in->data[i] = in->data[i + 1];
+  }
+  in->data[in->length - 1] = new_elem;
+}
+
 smpl_t
 aubio_level_lin (const fvec_t * f)

src/mathutils.h

@@ -117 +117 @@
 */
 void fvec_ishift (fvec_t * v);
+
+/** push a new element to the end of a vector, erasing the first element and
+ * sliding all others
+
+  \param in vector to push to
+  \param new_elem new_element to add at the end of the vector
+
+  In numpy words, this is equivalent to: in = np.concatenate([in, [new_elem]])[1:]
+
+*/
+void fvec_push(fvec_t *in, smpl_t new_elem);
 
 /** compute the sum of all elements of a vector