diff options
Diffstat (limited to 'examples/simpletest')
| -rw-r--r-- | examples/simpletest/simpletest.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/examples/simpletest/simpletest.c b/examples/simpletest/simpletest.c index 33290c3..7b6cb22 100644 --- a/examples/simpletest/simpletest.c +++ b/examples/simpletest/simpletest.c @@ -35,18 +35,18 @@ int main(void) { - float mean = 0.f; - float input[BLOCKSIZE]; - float spectrum[BLOCKSIZE]; - float mfccs[MFCC_FREQ_BANDS * sizeof(float)]; - float argf[4]; + double mean = 0.f; + double input[BLOCKSIZE]; + double spectrum[BLOCKSIZE]; + double mfccs[MFCC_FREQ_BANDS * sizeof(double)]; + double argd[4]; int n; xtract_mel_filter mel_filters; /* fill the input array with a sawtooth wave */ for(n = 0; n < BLOCKSIZE; ++n) { - input[n] = ((n % PERIOD) / (float)PERIOD) - .5; + input[n] = ((n % PERIOD) / (double)PERIOD) - .5; } /* get the mean of the input */ @@ -54,13 +54,13 @@ int main(void) printf("\nInput mean = %.2f\n\n", mean); /* get the spectrum */ - argf[0] = SAMPLERATE / (float)BLOCKSIZE; - argf[1] = XTRACT_MAGNITUDE_SPECTRUM; - argf[2] = 0.f; /* No DC component */ - argf[3] = 0.f; /* No Normalisation */ + argd[0] = SAMPLERATE / (double)BLOCKSIZE; + argd[1] = XTRACT_MAGNITUDE_SPECTRUM; + argd[2] = 0.f; /* No DC component */ + argd[3] = 0.f; /* No Normalisation */ xtract_init_fft(BLOCKSIZE, XTRACT_SPECTRUM); - xtract[XTRACT_SPECTRUM]((void *)&input, BLOCKSIZE, &argf[0], (void *)&spectrum[0]); + xtract[XTRACT_SPECTRUM]((void *)&input, BLOCKSIZE, &argd[0], (void *)&spectrum[0]); /* print the spectral bins */ printf("\nSpectral bins:\n"); @@ -71,10 +71,10 @@ int main(void) /* compute the MFCCs */ mel_filters.n_filters = MFCC_FREQ_BANDS; - mel_filters.filters = malloc(MFCC_FREQ_BANDS * sizeof(float *)); + mel_filters.filters = malloc(MFCC_FREQ_BANDS * sizeof(double *)); for(n = 0; n < MFCC_FREQ_BANDS; ++n) { - mel_filters.filters[n] = malloc(BLOCKSIZE * sizeof(float)); + mel_filters.filters[n] = malloc(BLOCKSIZE * sizeof(double)); } xtract_init_mfcc(BLOCKSIZE >> 1, SAMPLERATE >> 1, XTRACT_EQUAL_GAIN, MFCC_FREQ_MIN, MFCC_FREQ_MAX, mel_filters.n_filters, mel_filters.filters); |