Changeset 7166ef8 for src

Timestamp:

Sep 5, 2015, 11:05:43 AM (9 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, pitchshift, sampler, timestretch, yinfft+

Children:

8982328

Parents:

6c8ef58

Message:

src/fvec.{c,h}: add fvec_weighted_copy

Location:

src

Files:

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

src/fvec.c

@@ -122 +122 @@
 }
 
+void fvec_weighted_copy(fvec_t *in, fvec_t *weight, fvec_t *out) {
+#ifndef HAVE_ACCELERATE
+  uint_t j;
+  uint_t length = MIN(s->length, weight->length);
+  for (j=0; j< length; j++) {
+    out->data[j] = in->data[j] * weight->data[j];
+  }
+#else
+  aubio_vDSP_vmul(in->data, 1, weight->data, 1, out->data, 1, out->length);
+#endif /* HAVE_ACCELERATE */
+}
+
 void fvec_copy(fvec_t *s, fvec_t *t) {
   if (s->length != t->length) {

src/fvec.h

@@ -163 +163 @@
 void fvec_copy(fvec_t *s, fvec_t *t);
 
+/** make a copy of a vector, applying weights to each element
+
+  \param in input vector
+  \param weight weights vector
+  \param out output vector
+
+*/
+void fvec_weighted_copy(fvec_t *in, fvec_t *weight, fvec_t *out);
+
 #ifdef __cplusplus
 }