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volk_32f_asin_32f

Overview

Computes arcsine of input vector and stores results in output vector.

Dispatcher Prototype

void volk_32f_asin_32f(float* bVector, const float* aVector, unsigned int num_points)

Inputs

- aVector: The input vector of floats.
- num_points: The number of data points.

Outputs

- bVector: The vector where results will be stored.

Example

Calculate common angles around the top half of the unit circle.
int N = 10;
unsigned int alignment = volk_get_alignment();
float* in = (float*)volk_malloc(sizeof(float)*N, alignment);
float* out = (float*)volk_malloc(sizeof(float)*N, alignment);
in[0] = 0;
in[1] = 0.5;
in[2] = std::sqrt(2.f)/2.f;
in[3] = std::sqrt(3.f)/2.f;
in[4] = in[5] = 1;
for(unsigned int ii = 6; ii < N; ++ii){
in[ii] = - in[N-ii-1];
}
volk_32f_asin_32f(out, in, N);
for(unsigned int ii = 0; ii < N; ++ii){
printf("asin(%1.3f) = %1.3f\n", in[ii], out[ii]);
}
volk_free(in);
volk_free(out);