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315c1b7194
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3905ef9e1c
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@ -1,6 +1,4 @@
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#include <cmath>
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#include <random>
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#include "common.h"
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#include "generators.h"
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#include "wave.h"
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@ -86,18 +84,3 @@ sample_table_t gen_isaw()
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return isaw_vals;
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}
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sample_table_t gen_noise()
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{
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// setup RNG for floats in [-1, 1]
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std::default_random_engine generator;
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std::uniform_real_distribution<float_t> distribution(-1, 1);
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sample_table_t noise_vals = {};
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// Set first and last value to 0
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noise_vals[0] = 0;
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noise_vals[DEFAULT_N_SAMPLES - 1] = 0;
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for (uint16_t i = 1; i < DEFAULT_N_SAMPLES - 1; i++) {
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noise_vals[i] = distribution(generator);
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}
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return noise_vals;
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}
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@ -31,9 +31,4 @@ sample_table_t gen_isaw();
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*/
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sample_table_t gen_tri();
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/*! Generate noise wave data
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@return a table of values
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*/
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sample_table_t gen_noise();
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#endif // GENERATORS_H_
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@ -33,13 +33,3 @@ TEST(Generator, InverseSawWave) {
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// Starts at 1
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EXPECT_EQ(t[0], 1);
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}
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TEST(Generator, NoiseWave)
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{
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sample_table_t t = gen_noise();
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// Always start and end at 0
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EXPECT_EQ(t[0], 0);
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EXPECT_EQ(t[DEFAULT_N_SAMPLES - 1], 0);
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// Check second value, probably not equal to 0
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EXPECT_NE(t[1], 0);
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}
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