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-rw-r--r--tests/xttest_util.hpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/xttest_util.hpp b/tests/xttest_util.hpp
index a669ae9..381f2cf 100644
--- a/tests/xttest_util.hpp
+++ b/tests/xttest_util.hpp
@@ -2,5 +2,18 @@
#include <stdint.h>
+// Fill table with sine wave at given frequency and amplitude
void xttest_gen_sine(double *table, uint32_t tablesize, double samplerate, double frequency, double amplitude);
+
+// Fill table with noise at given frequency and amplitude
+// N.B. The implementation actually provides "fake" noise from a table for reproducible testing
void xttest_gen_noise(double *table, uint32_t tablesize, double amplitude);
+
+// Add table1 and table2 sample-by-sample leaving the result in table1
+void xttest_add(double *table1, double *table2, uint32_t tablesize);
+
+// Multiply table by a constant leavint the result in table
+void xttest_mul(double *table, uint32_t tablesize, double constant);
+
+// Return MIDI cent value for frequency
+uint16_t xttest_ftom(double frequency);