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Fix execution of puppets when compiled with clang

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This commit is contained in:
Carles Fernandez 2016-01-21 01:40:29 +01:00
parent 577f7f1940
commit 3ce1bba194
3 changed files with 127 additions and 127 deletions

48
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_16ic_resamplerxnpuppet_16ic.h

@ -47,22 +47,22 @@ static inline void volk_gnsssdr_16ic_resamplerxnpuppet_16ic_generic(lv_16sc_t* r
float code_phase_step_chips = 0.1;
int code_length_chips = 1023;
int num_out_vectors = 3;
float * rem_code_phase_chips = (float*)volk_gnsssdr_malloc(sizeof(float)* num_out_vectors, volk_gnsssdr_get_alignment());
float* rem_code_phase_chips = (float*)volk_gnsssdr_malloc(sizeof(float) * num_out_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** result_aux = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_out_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** result_aux = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t*) * num_out_vectors, volk_gnsssdr_get_alignment());
for(unsigned int n = 0; n < num_out_vectors; n++)
{
rem_code_phase_chips[n] = -0.234;
result_aux[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
result_aux[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
}
volk_gnsssdr_16ic_xn_resampler_16ic_xn_generic(result_aux, local_code, rem_code_phase_chips, code_phase_step_chips, code_length_chips, num_out_vectors, num_points);
memcpy(result, result_aux[0], sizeof(lv_16sc_t)*num_points);
memcpy((lv_16sc_t*)result, (lv_16sc_t*)result_aux[0], sizeof(lv_16sc_t) * num_points);
volk_gnsssdr_free(rem_code_phase_chips);
// for(unsigned int n = 0; n < num_out_vectors; n++)
// {
// volk_gnsssdr_free(result_aux[n]);
// }
for(unsigned int n = 0; n < num_out_vectors; n++)
{
volk_gnsssdr_free(result_aux[n]);
}
volk_gnsssdr_free(result_aux);
}
@ -74,21 +74,21 @@ static inline void volk_gnsssdr_16ic_resamplerxnpuppet_16ic_a_sse2(lv_16sc_t* re
float code_phase_step_chips = 0.1;
int code_length_chips = 1023;
int num_out_vectors = 3;
float * rem_code_phase_chips = (float*)volk_gnsssdr_malloc(sizeof(float)* num_out_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** result_aux = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_out_vectors, volk_gnsssdr_get_alignment());
float * rem_code_phase_chips = (float*)volk_gnsssdr_malloc(sizeof(float) * num_out_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** result_aux = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t*) * num_out_vectors, volk_gnsssdr_get_alignment());
for(unsigned int n = 0; n < num_out_vectors; n++)
{
rem_code_phase_chips[n] = -0.234;
result_aux[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
result_aux[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
}
volk_gnsssdr_16ic_xn_resampler_16ic_xn_a_sse2(result_aux, local_code, rem_code_phase_chips, code_phase_step_chips, code_length_chips, num_out_vectors, num_points);
memcpy(result, result_aux[0], sizeof(lv_16sc_t)*num_points);
memcpy(result, result_aux[0], sizeof(lv_16sc_t) * num_points);
volk_gnsssdr_free(rem_code_phase_chips);
// for(unsigned int n = 0; n < num_out_vectors; n++)
// {
// volk_gnsssdr_free(result_aux[n]);
// }
for(unsigned int n = 0; n < num_out_vectors; n++)
{
volk_gnsssdr_free(result_aux[n]);
}
volk_gnsssdr_free(result_aux);
}
@ -101,21 +101,21 @@ static inline void volk_gnsssdr_16ic_resamplerxnpuppet_16ic_u_sse2(lv_16sc_t* re
float code_phase_step_chips = 0.1;
int code_length_chips = 1023;
int num_out_vectors = 3;
float * rem_code_phase_chips = (float*)volk_gnsssdr_malloc(sizeof(float)* num_out_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** result_aux = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_out_vectors, volk_gnsssdr_get_alignment());
float * rem_code_phase_chips = (float*)volk_gnsssdr_malloc(sizeof(float) * num_out_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** result_aux = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t*) * num_out_vectors, volk_gnsssdr_get_alignment());
for(unsigned int n = 0; n < num_out_vectors; n++)
{
rem_code_phase_chips[n] = -0.234;
result_aux[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
result_aux[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
}
volk_gnsssdr_16ic_xn_resampler_16ic_xn_u_sse2(result_aux, local_code, rem_code_phase_chips, code_phase_step_chips, code_length_chips, num_out_vectors, num_points);
memcpy(result, result_aux[0], sizeof(lv_16sc_t)*num_points);
memcpy(result, result_aux[0], sizeof(lv_16sc_t) * num_points);
volk_gnsssdr_free(rem_code_phase_chips);
// for(unsigned int n = 0; n < num_out_vectors; n++)
// {
// volk_gnsssdr_free(result_aux[n]);
// }
for(unsigned int n = 0; n < num_out_vectors; n++)
{
volk_gnsssdr_free(result_aux[n]);
}
volk_gnsssdr_free(result_aux);
}

192
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_16ic_x2_dot_prod_16ic.h

@ -67,73 +67,73 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_generic(lv_16sc_t* result,
#include <emmintrin.h>
static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_a_sse2(lv_16sc_t* out, const lv_16sc_t* in_a, const lv_16sc_t* in_b, unsigned int num_points)
{
lv_16sc_t dotProduct = lv_cmake((int16_t)0, (int16_t)0);
lv_16sc_t dotProduct = lv_cmake((int16_t)0, (int16_t)0);
const unsigned int sse_iters = num_points / 4;
const unsigned int sse_iters = num_points / 4;
const lv_16sc_t* _in_a = in_a;
const lv_16sc_t* _in_b = in_b;
lv_16sc_t* _out = out;
const lv_16sc_t* _in_a = in_a;
const lv_16sc_t* _in_b = in_b;
lv_16sc_t* _out = out;
if (sse_iters > 0)
{
__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, realcacc, imagcacc, result;
if (sse_iters > 0)
{
__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, realcacc, imagcacc, result;
realcacc = _mm_setzero_si128();
imagcacc = _mm_setzero_si128();
realcacc = _mm_setzero_si128();
imagcacc = _mm_setzero_si128();
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
for(unsigned int number = 0; number < sse_iters; number++)
{
//std::complex<T> memory structure: real part -> reinterpret_cast<cv T*>(a)[2*i]
//imaginery part -> reinterpret_cast<cv T*>(a)[2*i + 1]
// a[127:0]=[a3.i,a3.r,a2.i,a2.r,a1.i,a1.r,a0.i,a0.r]
a = _mm_load_si128((__m128i*)_in_a); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
b = _mm_load_si128((__m128i*)_in_b);
c = _mm_mullo_epi16 (a, b); // a3.i*b3.i, a3.r*b3.r, ....
for(unsigned int number = 0; number < sse_iters; number++)
{
//std::complex<T> memory structure: real part -> reinterpret_cast<cv T*>(a)[2*i]
//imaginery part -> reinterpret_cast<cv T*>(a)[2*i + 1]
// a[127:0]=[a3.i,a3.r,a2.i,a2.r,a1.i,a1.r,a0.i,a0.r]
a = _mm_load_si128((__m128i*)_in_a); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
b = _mm_load_si128((__m128i*)_in_b);
c = _mm_mullo_epi16 (a, b); // a3.i*b3.i, a3.r*b3.r, ....
c_sr = _mm_srli_si128 (c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
real = _mm_subs_epi16 (c,c_sr);
c_sr = _mm_srli_si128 (c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
real = _mm_subs_epi16 (c,c_sr);
b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
imag1 = _mm_mullo_epi16(a, b_sl); // a3.i*b3.r, ....
imag2 = _mm_mullo_epi16(b, a_sl); // b3.i*a3.r, ....
imag1 = _mm_mullo_epi16(a, b_sl); // a3.i*b3.r, ....
imag2 = _mm_mullo_epi16(b, a_sl); // b3.i*a3.r, ....
imag = _mm_adds_epi16(imag1, imag2); //with saturation aritmetic!
imag = _mm_adds_epi16(imag1, imag2); //with saturation aritmetic!
realcacc = _mm_adds_epi16 (realcacc, real);
imagcacc = _mm_adds_epi16 (imagcacc, imag);
realcacc = _mm_adds_epi16 (realcacc, real);
imagcacc = _mm_adds_epi16 (imagcacc, imag);
_in_a += 4;
_in_b += 4;
}
_in_a += 4;
_in_b += 4;
}
realcacc = _mm_and_si128 (realcacc, mask_real);
imagcacc = _mm_and_si128 (imagcacc, mask_imag);
realcacc = _mm_and_si128 (realcacc, mask_real);
imagcacc = _mm_and_si128 (imagcacc, mask_imag);
result = _mm_or_si128 (realcacc, imagcacc);
result = _mm_or_si128 (realcacc, imagcacc);
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
_mm_store_si128((__m128i*)dotProductVector,result); // Store the results back into the dot product vector
_mm_store_si128((__m128i*)dotProductVector,result); // Store the results back into the dot product vector
for (int i = 0; i < 4; ++i)
{
dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])), sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
}
}
for (int i = 0; i < 4; ++i)
{
dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])), sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
}
}
for (unsigned int i = 0; i < (num_points % 4); ++i)
{
lv_16sc_t tmp = (*_in_a++) * (*_in_b++);
dotProduct = lv_cmake( sat_adds16i(lv_creal(dotProduct), lv_creal(tmp)), sat_adds16i(lv_cimag(dotProduct), lv_cimag(tmp)));
}
for (unsigned int i = 0; i < (num_points % 4); ++i)
{
lv_16sc_t tmp = (*_in_a++) * (*_in_b++);
dotProduct = lv_cmake( sat_adds16i(lv_creal(dotProduct), lv_creal(tmp)), sat_adds16i(lv_cimag(dotProduct), lv_cimag(tmp)));
}
*_out = dotProduct;
*_out = dotProduct;
}
#endif /* LV_HAVE_SSE2 */
@ -144,73 +144,73 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_a_sse2(lv_16sc_t* out, con
static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_u_sse2(lv_16sc_t* out, const lv_16sc_t* in_a, const lv_16sc_t* in_b, unsigned int num_points)
{
lv_16sc_t dotProduct = lv_cmake((int16_t)0, (int16_t)0);
lv_16sc_t dotProduct = lv_cmake((int16_t)0, (int16_t)0);
const unsigned int sse_iters = num_points / 4;
const unsigned int sse_iters = num_points / 4;
const lv_16sc_t* _in_a = in_a;
const lv_16sc_t* _in_b = in_b;
lv_16sc_t* _out = out;
const lv_16sc_t* _in_a = in_a;
const lv_16sc_t* _in_b = in_b;
lv_16sc_t* _out = out;
if (sse_iters > 0)
{
__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, realcacc, imagcacc, result;
if (sse_iters > 0)
{
__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, realcacc, imagcacc, result;
realcacc = _mm_setzero_si128();
imagcacc = _mm_setzero_si128();
realcacc = _mm_setzero_si128();
imagcacc = _mm_setzero_si128();
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
for(unsigned int number = 0; number < sse_iters; number++)
{
//std::complex<T> memory structure: real part -> reinterpret_cast<cv T*>(a)[2*i]
//imaginery part -> reinterpret_cast<cv T*>(a)[2*i + 1]
// a[127:0]=[a3.i,a3.r,a2.i,a2.r,a1.i,a1.r,a0.i,a0.r]
a = _mm_loadu_si128((__m128i*)_in_a); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
b = _mm_loadu_si128((__m128i*)_in_b);
c = _mm_mullo_epi16 (a, b); // a3.i*b3.i, a3.r*b3.r, ....
for(unsigned int number = 0; number < sse_iters; number++)
{
//std::complex<T> memory structure: real part -> reinterpret_cast<cv T*>(a)[2*i]
//imaginery part -> reinterpret_cast<cv T*>(a)[2*i + 1]
// a[127:0]=[a3.i,a3.r,a2.i,a2.r,a1.i,a1.r,a0.i,a0.r]
a = _mm_loadu_si128((__m128i*)_in_a); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
b = _mm_loadu_si128((__m128i*)_in_b);
c = _mm_mullo_epi16 (a, b); // a3.i*b3.i, a3.r*b3.r, ....
c_sr = _mm_srli_si128 (c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
real = _mm_subs_epi16 (c,c_sr);
c_sr = _mm_srli_si128 (c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
real = _mm_subs_epi16 (c,c_sr);
b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
imag1 = _mm_mullo_epi16(a, b_sl); // a3.i*b3.r, ....
imag2 = _mm_mullo_epi16(b, a_sl); // b3.i*a3.r, ....
imag1 = _mm_mullo_epi16(a, b_sl); // a3.i*b3.r, ....
imag2 = _mm_mullo_epi16(b, a_sl); // b3.i*a3.r, ....
imag = _mm_adds_epi16(imag1, imag2); //with saturation aritmetic!
imag = _mm_adds_epi16(imag1, imag2); //with saturation aritmetic!
realcacc = _mm_adds_epi16 (realcacc, real);
imagcacc = _mm_adds_epi16 (imagcacc, imag);
realcacc = _mm_adds_epi16 (realcacc, real);
imagcacc = _mm_adds_epi16 (imagcacc, imag);
_in_a += 4;
_in_b += 4;
}
_in_a += 4;
_in_b += 4;
}
realcacc = _mm_and_si128 (realcacc, mask_real);
imagcacc = _mm_and_si128 (imagcacc, mask_imag);
realcacc = _mm_and_si128 (realcacc, mask_real);
imagcacc = _mm_and_si128 (imagcacc, mask_imag);
result = _mm_or_si128 (realcacc, imagcacc);
result = _mm_or_si128 (realcacc, imagcacc);
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
_mm_storeu_si128((__m128i*)dotProductVector,result); // Store the results back into the dot product vector
_mm_storeu_si128((__m128i*)dotProductVector,result); // Store the results back into the dot product vector
for (int i = 0; i < 4; ++i)
{
dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])), sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
}
}
for (int i = 0; i < 4; ++i)
{
dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])), sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
}
}
for (unsigned int i = 0; i < (num_points % 4); ++i)
{
lv_16sc_t tmp = (*_in_a++) * (*_in_b++);
dotProduct = lv_cmake( sat_adds16i(lv_creal(dotProduct), lv_creal(tmp)), sat_adds16i(lv_cimag(dotProduct), lv_cimag(tmp)));
}
for (unsigned int i = 0; i < (num_points % 4); ++i)
{
lv_16sc_t tmp = (*_in_a++) * (*_in_b++);
dotProduct = lv_cmake( sat_adds16i(lv_creal(dotProduct), lv_creal(tmp)), sat_adds16i(lv_cimag(dotProduct), lv_cimag(tmp)));
}
*_out = dotProduct;
*_out = dotProduct;
}
#endif /* LV_HAVE_SSE2 */

14
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic.h

@ -45,11 +45,11 @@
static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_generic(lv_16sc_t* result, const lv_16sc_t* local_code, const lv_16sc_t* in, unsigned int num_points)
{
int num_a_vectors = 3;
lv_16sc_t** in_a = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_a_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** in_a = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t*) * num_a_vectors, volk_gnsssdr_get_alignment());
for(unsigned int n = 0; n < num_a_vectors; n++)
{
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
memcpy(in_a[n], in, sizeof(lv_16sc_t)*num_points);
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
memcpy(in_a[n], in, sizeof(lv_16sc_t) * num_points);
}
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_generic(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
@ -66,11 +66,11 @@ static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_generic(lv_16sc_t*
static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_a_sse2(lv_16sc_t* result, const lv_16sc_t* local_code, const lv_16sc_t* in, unsigned int num_points)
{
int num_a_vectors = 3;
lv_16sc_t** in_a = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_a_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** in_a = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t*) * num_a_vectors, volk_gnsssdr_get_alignment());
for(unsigned int n = 0; n < num_a_vectors; n++)
{
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
memcpy(in_a[n], in, sizeof(lv_16sc_t)*num_points);
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
memcpy((lv_16sc_t*)in_a[n], (lv_16sc_t*)in, sizeof(lv_16sc_t) * num_points);
}
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
@ -88,7 +88,7 @@ static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_a_sse2(lv_16sc_t* r
static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_u_sse2(lv_16sc_t* result, const lv_16sc_t* local_code, const lv_16sc_t* in, unsigned int num_points)
{
int num_a_vectors = 3;
lv_16sc_t** in_a = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_a_vectors, volk_gnsssdr_get_alignment());
lv_16sc_t** in_a = (lv_16sc_t**)volk_gnsssdr_malloc(sizeof(lv_16sc_t*) * num_a_vectors, volk_gnsssdr_get_alignment());
for(unsigned int n = 0; n < num_a_vectors; n++)
{
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());