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Diffstat (limited to 'build/pgo/js-input/sunspider/math-cordic.html')
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diff --git a/build/pgo/js-input/sunspider/math-cordic.html b/build/pgo/js-input/sunspider/math-cordic.html new file mode 100644 index 0000000000..ec28f9ddde --- /dev/null +++ b/build/pgo/js-input/sunspider/math-cordic.html @@ -0,0 +1,145 @@ +<!DOCTYPE html> +<head> +<!-- + Copyright (C) 2007 Apple Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +--> + +<title>SunSpider math-cordic</title> + +</head> + +<body> +<h3>math-cordic</h3> +<div id="console"> +</div> + +<script> + +var _sunSpiderStartDate = new Date(); + +/* + * Copyright (C) Rich Moore. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/////. Start CORDIC + +var AG_CONST = 0.6072529350; + +function FIXED(X) +{ + return X * 65536.0; +} + +function FLOAT(X) +{ + return X / 65536.0; +} + +function DEG2RAD(X) +{ + return 0.017453 * (X); +} + +var Angles = [ + FIXED(45.0), FIXED(26.565), FIXED(14.0362), FIXED(7.12502), + FIXED(3.57633), FIXED(1.78991), FIXED(0.895174), FIXED(0.447614), + FIXED(0.223811), FIXED(0.111906), FIXED(0.055953), + FIXED(0.027977) + ]; + + +function cordicsincos() { + var X; + var Y; + var TargetAngle; + var CurrAngle; + var Step; + + X = FIXED(AG_CONST); /* AG_CONST * cos(0) */ + Y = 0; /* AG_CONST * sin(0) */ + + TargetAngle = FIXED(28.027); + CurrAngle = 0; + for (Step = 0; Step < 12; Step++) { + var NewX; + if (TargetAngle > CurrAngle) { + NewX = X - (Y >> Step); + Y = (X >> Step) + Y; + X = NewX; + CurrAngle += Angles[Step]; + } else { + NewX = X + (Y >> Step); + Y = -(X >> Step) + Y; + X = NewX; + CurrAngle -= Angles[Step]; + } + } +} + +///// End CORDIC + +function cordic( runs ) { + var start = new Date(); + + for ( var i = 0 ; i < runs ; i++ ) { + cordicsincos(); + } + + var end = new Date(); + + return end.getTime() - start.getTime(); +} + +cordic(25000); + + +var _sunSpiderInterval = new Date() - _sunSpiderStartDate; + +document.getElementById("console").innerHTML = _sunSpiderInterval; +</script> + + +</body> +</html> |