floatdsp: move scalarproduct_float from dsputil to avfloatdsp.

This makes the aac decoder and all voice codecs independent of dsputil.

1 files changed, 12 insertions, 0 deletions

diff --git a/libavutil/float_dsp.c b/libavutil/float_dsp.c
index c6e2b41d66..a40b029a29 100644
--- a/libavutil/float_dsp.c
+++ b/libavutil/float_dsp.c
@@ -101,6 +101,17 @@ static void butterflies_float_c(float *restrict v1, float *restrict v2,
     }
 }
 
+float avpriv_scalarproduct_float_c(const float *v1, const float *v2, int len)
+{
+    float p = 0.0;
+    int i;
+
+    for (i = 0; i < len; i++)
+        p += v1[i] * v2[i];
+
+    return p;
+}
+
 void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
 {
     fdsp->vector_fmul = vector_fmul_c;
@@ -111,6 +122,7 @@ void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
     fdsp->vector_fmul_add = vector_fmul_add_c;
     fdsp->vector_fmul_reverse = vector_fmul_reverse_c;
     fdsp->butterflies_float = butterflies_float_c;
+    fdsp->scalarproduct_float = avpriv_scalarproduct_float_c;
 
 #if ARCH_ARM
     ff_float_dsp_init_arm(fdsp);