57#ifndef INCLUDED_volk_32f_binary_slicer_32i_H
58#define INCLUDED_volk_32f_binary_slicer_32i_H
65 unsigned int num_points)
68 const float* aPtr = aVector;
69 unsigned int number = 0;
71 for (number = 0; number < num_points; number++) {
86 unsigned int num_points)
89 const float* aPtr = aVector;
90 unsigned int number = 0;
92 for (number = 0; number < num_points; number++) {
93 *cPtr++ = (*aPtr++ >= 0);
100#include <emmintrin.h>
103 const float* aVector,
104 unsigned int num_points)
107 const float* aPtr = aVector;
108 unsigned int number = 0;
110 unsigned int quarter_points = num_points / 4;
112 __m128i res_i, binary_i;
114 zero_val = _mm_set1_ps(0.0f);
116 for (number = 0; number < quarter_points; number++) {
117 a_val = _mm_load_ps(aPtr);
119 res_f = _mm_cmpge_ps(a_val, zero_val);
120 res_i = _mm_cvtps_epi32(res_f);
121 binary_i = _mm_srli_epi32(res_i, 31);
123 _mm_store_si128((__m128i*)cPtr, binary_i);
129 for (number = quarter_points * 4; number < num_points; number++) {
141#include <immintrin.h>
144 const float* aVector,
145 unsigned int num_points)
148 const float* aPtr = aVector;
149 unsigned int number = 0;
151 unsigned int quarter_points = num_points / 8;
152 __m256 a_val, res_f, binary_f;
154 __m256 zero_val, one_val;
155 zero_val = _mm256_set1_ps(0.0f);
156 one_val = _mm256_set1_ps(1.0f);
158 for (number = 0; number < quarter_points; number++) {
159 a_val = _mm256_load_ps(aPtr);
161 res_f = _mm256_cmp_ps(a_val, zero_val, _CMP_GE_OS);
162 binary_f = _mm256_and_ps(res_f, one_val);
163 binary_i = _mm256_cvtps_epi32(binary_f);
165 _mm256_store_si256((__m256i*)cPtr, binary_i);
171 for (number = quarter_points * 8; number < num_points; number++) {
183#include <emmintrin.h>
186 const float* aVector,
187 unsigned int num_points)
190 const float* aPtr = aVector;
191 unsigned int number = 0;
193 unsigned int quarter_points = num_points / 4;
195 __m128i res_i, binary_i;
197 zero_val = _mm_set1_ps(0.0f);
199 for (number = 0; number < quarter_points; number++) {
200 a_val = _mm_loadu_ps(aPtr);
202 res_f = _mm_cmpge_ps(a_val, zero_val);
203 res_i = _mm_cvtps_epi32(res_f);
204 binary_i = _mm_srli_epi32(res_i, 31);
206 _mm_storeu_si128((__m128i*)cPtr, binary_i);
212 for (number = quarter_points * 4; number < num_points; number++) {
224#include <immintrin.h>
227 const float* aVector,
228 unsigned int num_points)
231 const float* aPtr = aVector;
232 unsigned int number = 0;
234 unsigned int quarter_points = num_points / 8;
235 __m256 a_val, res_f, binary_f;
237 __m256 zero_val, one_val;
238 zero_val = _mm256_set1_ps(0.0f);
239 one_val = _mm256_set1_ps(1.0f);
241 for (number = 0; number < quarter_points; number++) {
242 a_val = _mm256_loadu_ps(aPtr);
244 res_f = _mm256_cmp_ps(a_val, zero_val, _CMP_GE_OS);
245 binary_f = _mm256_and_ps(res_f, one_val);
246 binary_i = _mm256_cvtps_epi32(binary_f);
248 _mm256_storeu_si256((__m256i*)cPtr, binary_i);
254 for (number = quarter_points * 8; number < num_points; number++) {
265#include <riscv_vector.h>
267static inline void volk_32f_binary_slicer_32i_rvv(
int* cVector,
268 const float* aVector,
269 unsigned int num_points)
271 size_t n = num_points;
272 for (
size_t vl; n > 0; n -= vl, aVector += vl, cVector += vl) {
273 vl = __riscv_vsetvl_e32m8(n);
274 vuint32m8_t v = __riscv_vle32_v_u32m8((uint32_t*)aVector, vl);
275 v = __riscv_vsrl(__riscv_vnot(v, vl), 31, vl);
276 __riscv_vse32((uint32_t*)cVector, v, vl);
static void volk_32f_binary_slicer_32i_generic(int *cVector, const float *aVector, unsigned int num_points)
Definition volk_32f_binary_slicer_32i.h:63
static void volk_32f_binary_slicer_32i_generic_branchless(int *cVector, const float *aVector, unsigned int num_points)
Definition volk_32f_binary_slicer_32i.h:84
static void volk_32f_binary_slicer_32i_u_sse2(int *cVector, const float *aVector, unsigned int num_points)
Definition volk_32f_binary_slicer_32i.h:185
static void volk_32f_binary_slicer_32i_a_avx(int *cVector, const float *aVector, unsigned int num_points)
Definition volk_32f_binary_slicer_32i.h:143
static void volk_32f_binary_slicer_32i_a_sse2(int *cVector, const float *aVector, unsigned int num_points)
Definition volk_32f_binary_slicer_32i.h:102
static void volk_32f_binary_slicer_32i_u_avx(int *cVector, const float *aVector, unsigned int num_points)
Definition volk_32f_binary_slicer_32i.h:226