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annotate test/dotproduct.d @ 270:d9d5d59873d8 trunk

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[svn r291] Fixed a bunch of the old Phobos tests to work with Tango. Branch statements now emit a new block after it. Fixed the _adSort runtime function had a bad signature. Added a missing dot prefix on compiler generated string tables for string switch. Fixed, PTRSIZE seems like it was wrong on 64bit, now it definitely gets set properly.
author lindquist
date Mon, 16 Jun 2008 16:01:19 +0200
parents 0c5f410d973c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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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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25
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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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