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fastmath: Remove non builtin dependencies to math library

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This commit is contained in:
Antoine Soulier
2024-01-26 15:45:09 -08:00
committed by Antoine SOULIER
parent 2e655459eb
commit d7a739849a
3 changed files with 55 additions and 10 deletions
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src/lc3.c
+8 -8
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@@ -222,7 +222,7 @@ static void load_s24(
for (int i = 0; i < ns; i++, pcm += stride) {
xt[i] = *pcm >> 8;
xs[i] = ldexpf(*pcm, -8);
xs[i] = lc3_ldexpf(*pcm, -8);
}
}
@@ -249,7 +249,7 @@ static void load_s24_3le(
((uint32_t)pcm[2] << 24) ;
xt[i] = in >> 16;
xs[i] = ldexpf(in, -16);
xs[i] = lc3_ldexpf(in, -16);
}
}
@@ -271,7 +271,7 @@ static void load_float(
int ns = lc3_ns(dt, sr);
for (int i = 0; i < ns; i++, pcm += stride) {
xs[i] = ldexpf(*pcm, 15);
xs[i] = lc3_ldexpf(*pcm, 15);
xt[i] = LC3_SAT16((int32_t)xs[i]);
}
}
@@ -500,8 +500,8 @@ static void store_s24(
int ns = lc3_ns(dt, sr);
for ( ; ns > 0; ns--, xs++, pcm += stride) {
int32_t s = *xs >= 0 ? (int32_t)(ldexpf(*xs, 8) + 0.5f)
: (int32_t)(ldexpf(*xs, 8) - 0.5f);
int32_t s = *xs >= 0 ? (int32_t)(lc3_ldexpf(*xs, 8) + 0.5f)
: (int32_t)(lc3_ldexpf(*xs, 8) - 0.5f);
*pcm = LC3_SAT24(s);
}
}
@@ -523,8 +523,8 @@ static void store_s24_3le(
int ns = lc3_ns(dt, sr);
for ( ; ns > 0; ns--, xs++, pcm += 3*stride) {
int32_t s = *xs >= 0 ? (int32_t)(ldexpf(*xs, 8) + 0.5f)
: (int32_t)(ldexpf(*xs, 8) - 0.5f);
int32_t s = *xs >= 0 ? (int32_t)(lc3_ldexpf(*xs, 8) + 0.5f)
: (int32_t)(lc3_ldexpf(*xs, 8) - 0.5f);
s = LC3_SAT24(s);
pcm[0] = (s >> 0) & 0xff;
@@ -550,7 +550,7 @@ static void store_float(
int ns = lc3_ns(dt, sr);
for ( ; ns > 0; ns--, xs++, pcm += stride) {
float s = ldexpf(*xs, -15);
float s = lc3_ldexpf(*xs, -15);
*pcm = fminf(fmaxf(s, -1.f), 1.f);
}
}