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annotate tests/mini/v2d.d @ 468:45a67b6f1310

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Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially in this regard. Code for accessing nested variables and contexts rewritten. Probably more. Fairly well tested.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Mon, 04 Aug 2008 02:59:34 +0200
parents 1bb99290e03a
children
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d9d5d59873d8 [svn r291] Fixed a bunch of the old Phobos tests to work with Tango.
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1 extern(C) int printf(char*, ...);
d9d5d59873d8 [svn r291] Fixed a bunch of the old Phobos tests to work with Tango.
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2
1
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3 struct V2D(T)
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4 {
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5 T x,y;
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6
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7 T dot(ref V2D v)
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8 {
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9 return x*v.x + y*v.y;
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10 }
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11
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12 V2D opAdd(ref V2D v)
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13 {
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14 return V2D(x+v.x, y+v.y);
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15 }
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16 }
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17
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18 alias V2D!(float) V2Df;
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19
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20 void main()
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21 {
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22 printf("V2D test\n");
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23 auto up = V2Df(0.0f, 1.0f);
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24 auto right = V2Df(1.0f, 0.0f);
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25 assert(up.dot(right) == 0.0f);
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26 auto upright = up + right;
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27 assert(upright.x == 1.0f && upright.y == 1.0f);
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28 auto copy = upright;
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29 copy.x++;
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30 assert(copy.x > upright.x);
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31 printf(" SUCCESS\n");
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32 }