# | Line 27 | Line 27 | typedef struct { | |
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27 | short nt, np; /* number of theta and phi directions */ | |
28 | } AMBHEMI; /* ambient sample hemisphere */ | |
29 | ||
30 | – | extern double sin(), cos(), sqrt(); |
31 | – | |
30 | ||
31 | static int | |
32 | ambcmp(d1, d2) /* decreasing order */ |
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