const GLfloat botDy = vMid->attrib[VARYING_SLOT_POS][1] - vMin->attrib[VARYING_SLOT_POS][1];
const GLfloat area = majDx * botDy - botDx * majDy;
/* Do backface culling */
- if (area * bf < 0 || area == 0 || IS_INF_OR_NAN(area))
+ if (area * bf < 0 || area == 0 || util_is_inf_or_nan(area))
return;
ltor = (GLboolean) (area < 0.0F);