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annotate tests/mini/dotproduct.d @ 812:6c2ff06c4201

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Fixed a nasty bug with how interface vtables for class initializers were output, causing some class fields to be skipped. Fixed a problem in definition of ClassInfos where an invalid constant was potentially used. This needs to be looked into proper as it might happen again in the future.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Mon, 01 Dec 2008 04:37:54 +0100
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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3 struct vec3
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4 {
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5 float x,y,z;
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6
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7 float dot(ref vec3 v)
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8 {
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9 return x*v.x + y*v.y + z*v.z;
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10 }
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e116aa1488e6 [svn r8] changed backend includes to always use the gen/<foo>.h prefix
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12 void print(char[] n)
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13 {
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14 printf("%.*s = vec3(%.4f, %.4f, %.4f)\n", n.length, n.ptr, x,y,z);
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15 }
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16 }
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18 int main()
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19 {
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20 printf("Dot Product test\n");
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21
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22 const f = 0.7071067811865474617;
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23 vec3 v = vec3(f,f,0);
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24 vec3 w = vec3(f,0,f);
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26 v.print("v");
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27 w.print("w");
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28
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29 auto dp = v.dot(w);
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30 printf("v ยท w = %f\n", dp);
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31 assert(dp > 0.4999 && dp < 0.5001);
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32
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33 printf(" SUCCESS\n");
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34 return 0;
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35 }
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