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Move definition of PI into puzzles.h. If nothing else, the definition in cube.c
had a typo :) [originally from svn r5878]
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@ -13,8 +13,6 @@
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#include "puzzles.h"
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#include "tree234.h"
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#define PI 3.141592653589793238462643383279502884197169399
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#define MATMUL(xr,yr,m,x,y) do { \
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float rx, ry, xx = (x), yy = (y), *mat = (m); \
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rx = mat[0] * xx + mat[2] * yy; \
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