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that has to be rewritten because iteration 2305843009213693952 invokes undefined behaviour?

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KubaPro010
2025-03-27 21:43:17 +01:00
parent 668df44e51
commit a443537599
1 changed files with 15 additions and 19 deletions
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34
src/fm95.c
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@@ -46,29 +46,25 @@
static volatile sig_atomic_t to_run = 1;
#include <arm_neon.h>
void uninterleave(const float *input, float *left, float *right, size_t num_samples) {
if (num_samples % 2 != 0) return;
size_t num_frames = num_samples / 2;
size_t i = 0;
#if USE_NEON
size_t num_frames = num_samples / 2;
size_t i = 0;
for (; i + 4 <= num_frames; i += 4) {
float32x4x2_t interleaved = vld2q_f32(input + i * 2 * 2);
vst1q_f32(left + i, interleaved.val[0]);
vst1q_f32(right + i, interleaved.val[1]);
}
for (; i < num_frames; i++) {
left[i] = input[i * 2];
right[i] = input[i * 2 + 1];
}
#else
for (size_t i = 0; i < num_samples / 2; i++) {
left[i] = input[i * 2];
right[i] = input[i * 2 + 1];
}
for (; i + 4 <= num_frames; i += 4) {
float32x4x2_t interleaved = vld2q_f32(input + i * 2 * 2);
vst1q_f32(left + i, interleaved.val[0]);
vst1q_f32(right + i, interleaved.val[1]);
}
#endif
for (; i < num_frames; i++) {
left[i] = input[i * 2];
right[i] = input[i * 2 + 1];
}
}
static void stop(int signum) {