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1 <!doctype html> | 1 <!doctype html> |
2 <html> | 2 <html> |
3 <head> | 3 <head> |
4 <title>Test Constructor: PeriodicWave</title> | 4 <title>Test Constructor: PeriodicWave</title> |
5 <script src="../../resources/testharness.js"></script> | 5 <script src="../../resources/testharness.js"></script> |
6 <script src="../../resources/testharnessreport.js"></script> | 6 <script src="../../resources/testharnessreport.js"></script> |
7 <script src="../resources/audio-testing.js"></script> | 7 <script src="../resources/audio-testing.js"></script> |
8 <script src="audionodeoptions.js"></script> | 8 <script src="audionodeoptions.js"></script> |
9 </head> | 9 </head> |
10 | 10 |
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109 real: [0, 2] | 109 real: [0, 2] |
110 }, function (length, freq, sampleRate) { | 110 }, function (length, freq, sampleRate) { |
111 var expected = new Float32Array(length); | 111 var expected = new Float32Array(length); |
112 var omega = 2 * Math.PI * freq / sampleRate; | 112 var omega = 2 * Math.PI * freq / sampleRate; |
113 var normalizationFactor = 0.5; | 113 var normalizationFactor = 0.5; |
114 for (var k = 0; k < length; ++k) { | 114 for (var k = 0; k < length; ++k) { |
115 expected[k] = Math.cos(omega * k); | 115 expected[k] = Math.cos(omega * k); |
116 } | 116 } |
117 return expected; | 117 return expected; |
118 }, | 118 }, |
119 2.7106e-5).then(taskDone); | 119 2.7143e-5).then(taskDone); |
120 }); | 120 }); |
121 | 121 |
122 audit.defineTask("2: real periodicwave test", function (taskDone) { | 122 audit.defineTask("2: real periodicwave test", function (taskDone) { |
123 waveTest({ | 123 waveTest({ |
124 real: [0, 2], | 124 real: [0, 2], |
125 disableNormalization: false | 125 disableNormalization: false |
126 }, function (length, freq, sampleRate) { | 126 }, function (length, freq, sampleRate) { |
127 var expected = new Float32Array(length); | 127 var expected = new Float32Array(length); |
128 var omega = 2 * Math.PI * freq / sampleRate; | 128 var omega = 2 * Math.PI * freq / sampleRate; |
129 for (var k = 0; k < length; ++k) { | 129 for (var k = 0; k < length; ++k) { |
130 expected[k] = Math.cos(omega * k); | 130 expected[k] = Math.cos(omega * k); |
131 } | 131 } |
132 return expected; | 132 return expected; |
133 }, | 133 }, |
134 2.7106e-5).then(taskDone); | 134 2.7143e-5).then(taskDone); |
135 }), | 135 }), |
136 | 136 |
137 audit.defineTask("3: real periodicwave test", function (taskDone) { | 137 audit.defineTask("3: real periodicwave test", function (taskDone) { |
138 | 138 |
139 waveTest({ | 139 waveTest({ |
140 real: [0, 2], | 140 real: [0, 2], |
141 disableNormalization: true | 141 disableNormalization: true |
142 }, function (length, freq, sampleRate) { | 142 }, function (length, freq, sampleRate) { |
143 var expected = new Float32Array(length); | 143 var expected = new Float32Array(length); |
144 var omega = 2 * Math.PI * freq / sampleRate; | 144 var omega = 2 * Math.PI * freq / sampleRate; |
145 for (var k = 0; k < length; ++k) { | 145 for (var k = 0; k < length; ++k) { |
146 expected[k] = 2 * Math.cos(omega * k); | 146 expected[k] = 2 * Math.cos(omega * k); |
147 } | 147 } |
148 return expected; | 148 return expected; |
149 }, | 149 }, |
150 5.4211e-5).then(taskDone); | 150 5.4285e-5).then(taskDone); |
151 }); | 151 }); |
152 | 152 |
153 audit.defineTask("1: imag periodicwave test", function (taskDone) { | 153 audit.defineTask("1: imag periodicwave test", function (taskDone) { |
154 waveTest({ | 154 waveTest({ |
155 imag: [0, 2] | 155 imag: [0, 2] |
156 }, function (length, freq, sampleRate) { | 156 }, function (length, freq, sampleRate) { |
157 var expected = new Float32Array(length); | 157 var expected = new Float32Array(length); |
158 var omega = 2 * Math.PI * freq / sampleRate; | 158 var omega = 2 * Math.PI * freq / sampleRate; |
159 for (var k = 0; k < length; ++k) { | 159 for (var k = 0; k < length; ++k) { |
160 expected[k] = Math.sin(omega * k); | 160 expected[k] = Math.sin(omega * k); |
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284 } | 284 } |
285 Should("Oscillator with periodicWave {" + message + "}", actual) | 285 Should("Oscillator with periodicWave {" + message + "}", actual) |
286 .beCloseToArray(expected, threshold); | 286 .beCloseToArray(expected, threshold); |
287 }); | 287 }); |
288 } | 288 } |
289 | 289 |
290 audit.runTasks(); | 290 audit.runTasks(); |
291 </script> | 291 </script> |
292 </body> | 292 </body> |
293 </html> | 293 </html> |
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