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Last change
on this file since 344 was 207, checked in by Nicholas Riley, 19 years ago |
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rpn: Brian Swetland's RPN calculator using Dan Sachs's hipfloat
library. Changes for hiptop OS 2.3; some minor UI cleanups.
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File size:
945 bytes
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| 1 | package dgs.libs.hipfloat;
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| 2 |
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| 3 | // Copyright 2003, Daniel Grobe Sachs. All Rights Reserved.
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| 4 | // See LICENSE for redistribution terms
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| 5 | //
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| 6 | // Some algorithms borrowed from GNU BC, but all code was rewritten.
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| 7 |
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| 8 | public class hipfloatBadNum extends hipfloat implements Comparable
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| 9 | {
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| 10 | public hipfloat add(hipfloat a) { return this; }
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| 11 | public hipfloat sub(hipfloat a) { return this; }
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| 12 | public hipfloat mul(hipfloat a) { return this; }
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| 13 | public hipfloat div(hipfloat a) { return this; }
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| 14 | public hipfloat sqrt() { return this; }
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| 15 | public hipfloat exp() { return this; }
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| 16 | public hipfloat ln() { return this; }
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| 17 |
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| 18 | public boolean isError() { return true; }
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| 19 |
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| 20 | public static final hipfloatBadNum NAN = new hipfloatBadNum(1);
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| 21 | public static final hipfloatBadNum OVF = new hipfloatBadNum(2);
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| 22 | public static final hipfloatBadNum NoError = new hipfloatBadNum(0);
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| 23 |
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| 24 | public hipfloatBadNum(int i)
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| 25 | {
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| 26 | super(0);
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| 27 | this.mantissa = 2000000000 + i;
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| 28 | this.exponent = 0;
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| 29 | }
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| 30 | }
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| 31 |
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