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math: improve denormal check

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Use isnormal() when we can
This commit is contained in:
Wim Taymans 2025-01-13 16:10:34 +01:00
parent 73e11eea46
commit 0868ff1ada
4 changed files with 12 additions and 10 deletions
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3
spa/plugins/audioconvert/channelmix-ops-c.c
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@ -3,6 +3,7 @@
/* SPDX-License-Identifier: MIT */
#include <float.h>
#include <math.h>
#include "channelmix-ops.h"
@ -94,7 +95,7 @@ static void lr4_process_c(struct lr4 *lr4, float *dst, const float *src, const f
y2 = b2 * y - a2 * z;
dst[i] = z * vol;
}
#define F(x) (-FLT_MIN < (x) && (x) < FLT_MIN ? 0.0f : (x))
#define F(x) (isnormal(x) ? (x) : 0.0f)
lr4->x1 = F(x1);
lr4->x2 = F(x2);
lr4->y1 = F(y1);