| 10 |
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| 11 |
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#include <values.h> |
| 12 |
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| 13 |
+ |
#define F_TINY 1e-3 |
| 14 |
+ |
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| 15 |
+ |
#define FZERO(x) ((x) < F_TINY && (x) > -F_TINY) |
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+ |
#define FEQUAL(a,b) FZERO((a) - (b)) |
| 17 |
+ |
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| 18 |
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#define ZERO(x) ((x) < FTINY && (x) > -FTINY) |
| 19 |
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#define EQUAL(a,b) ZERO((a) - (b)) |
| 20 |
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| 63 |
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| 64 |
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#define ZERO_VEC3(v) (ZERO(v[0]) && ZERO(v[1]) && ZERO(v[2]) ) |
| 65 |
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#define EQUAL_VEC3(a,b) (EQUAL(a[0],b[0])&&EQUAL(a[1],b[1])&&EQUAL(a[2],b[2])) |
| 66 |
+ |
#define FZERO_VEC3(v) (FZERO(v[0]) && FZERO(v[1]) && FZERO(v[2]) ) |
| 67 |
+ |
#define FEQUAL_VEC3(a,b) (FEQUAL(a[0],b[0])&&FEQUAL(a[1],b[1])&&FEQUAL(a[2],b[2])) |
| 68 |
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#define NEGATE_VEC3(v) ((v)[0] *= -1.0,(v)[1] *= -1.0,(v)[2] *= -1.0) |
| 69 |
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#define COPY_VEC2(v1,v2) ((v1)[0]=(v2)[0],(v1)[1]=(v2)[1]) |
| 70 |
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#define DIST(a,b) (sqrt(((a)[0]-(b)[0])*((a)[0]-(b)[0]) + \ |
| 126 |
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double spherical_edge_normal(); |
| 127 |
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| 128 |
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#define point_in_stri_n(n0,n1,n2,p) \ |
| 129 |
< |
((DOT(n0,p)<=0.0)&&(DOT(n1,p)<=0.0)&&(DOT(n2,p)<=0.0)) |
| 129 |
> |
((DOT(n0,p)<=F_TINY)&&(DOT(n1,p)<=F_TINY)&&(DOT(n2,p)<=F_TINY)) |
| 130 |
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| 131 |
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#define PT_ON_PLANE(p,peq) (DOT(FP_N(peq),p)+FP_D(peq)) |
