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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next prev parent 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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