# | Line 113 | Line 113 | extern double scylform(); /* cosine to axis of cylin | |
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113 | ||
114 | #define sflatform(sn,dir) -DOT(source[sn].snorm, dir) | |
115 | ||
116 | + | extern OBJREC *vsmaterial(); /* virtual source material */ |
117 | + | |
118 | extern double intercircle(); /* intersect two circles */ | |
119 | extern double spotdisk(); /* intersecting disk for spot */ | |
120 | extern double beamdisk(); /* intersecting disk for beam */ |
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