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From: "Rémi Denis-Courmont" <remi@remlab.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 2/5] lavu/lls: use ff_scalarproduct_double_c()
Date: Thu, 30 May 2024 22:06:56 +0300
Message-ID: <20240530190659.65309-2-remi@remlab.net> (raw)
In-Reply-To: <20240530190659.65309-1-remi@remlab.net>

---
 libavutil/lls.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/libavutil/lls.c b/libavutil/lls.c
index c1e038daf1..1096ae69d5 100644
--- a/libavutil/lls.c
+++ b/libavutil/lls.c
@@ -30,6 +30,7 @@
 
 #include "config.h"
 #include "attributes.h"
+#include "float_dsp.h"
 #include "lls.h"
 
 static void update_lls(LLSModel *m, const double *var)
@@ -102,13 +103,7 @@ void avpriv_solve_lls(LLSModel *m, double threshold, unsigned short min_order)
 
 static double evaluate_lls(LLSModel *m, const double *param, int order)
 {
-    int i;
-    double out = 0;
-
-    for (i = 0; i <= order; i++)
-        out += param[i] * m->coeff[order][i];
-
-    return out;
+    return ff_scalarproduct_double_c(m->coeff[order], param, order + 1);
 }
 
 av_cold void avpriv_init_lls(LLSModel *m, int indep_count)
-- 
2.45.1

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  reply	other threads:[~2024-05-30 19:07 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-30 19:06 [FFmpeg-devel] [PATCHv2 1/5] lavu/float_dsp: add double-precision scalar product Rémi Denis-Courmont
2024-05-30 19:06 ` Rémi Denis-Courmont [this message]
2024-05-30 19:06 ` [FFmpeg-devel] [PATCH 3/5] lavfi: get rid of bespoke double scalar products Rémi Denis-Courmont
2024-05-30 19:06 ` [FFmpeg-devel] [PATCH 4/5] checkasm/float_dsp: add double-precision scalar product Rémi Denis-Courmont
2024-05-30 19:06 ` [FFmpeg-devel] [PATCH 5/5] lavu/float_dsp: R-V V scalarproduct_double Rémi Denis-Courmont
2024-05-30 19:10 ` [FFmpeg-devel] [PATCHv2 1/5] lavu/float_dsp: add double-precision scalar product James Almer
2024-05-30 19:21   ` Rémi Denis-Courmont
2024-05-30 19:28     ` James Almer
2024-05-30 19:31 ` Rémi Denis-Courmont
2024-05-30 19:33   ` James Almer

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