Overview
Computes exp of input vector and stores results in output vector. This uses a fast exp approximation with a maximum 7% error.
Dispatcher Prototype
void volk_32f_expfast_32f(float* bVector, const float* aVector, unsigned int num_points)
Inputs
- aVector: Input vector of floats.
- num_points: The number of data points.
Outputs
- bVector: The output vector.
Example
int N = 10;
float* in = (
float*)
volk_malloc(
sizeof(
float)*N, alignment);
float* out = (
float*)
volk_malloc(
sizeof(
float)*N, alignment);
for(unsigned int ii = 0; ii < N; ++ii){
in[ii] = std::log((float)ii);
}
volk_32f_expfast_32f(out, in, N);
for(unsigned int ii = 0; ii < N; ++ii){
printf("out(%i) = %f\n", ii, out[ii]);
}