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/httpd/modules/mappers/
H A Dmod_imagemap.c186 double y1=pgon[i][Y]; local
189 double d=(y - y1) * (x2 - x1) - (x - x1) * (y2 - y1);
191 if ((y1 >= y) != (y2 >= y)) {
192 crossings +=y2 - y1 >= 0 ? d >= 0 : d <= 0;
195 && fmin(y1,y2) <= y && y <= fmax(y1,y2)) {

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