Reenable, but only in the size four case...
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@ -1,4 +1,4 @@
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/* $Id: t_imm_eval.c,v 1.16 2001/08/14 00:52:47 keithw Exp $ */
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/* $Id: t_imm_eval.c,v 1.17 2001/08/14 00:59:08 keithw Exp $ */
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/*
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* Mesa 3-D graphics library
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@ -206,13 +206,15 @@ static void eval2_obj_norm( GLvector4f *obj_ptr,
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_math_de_casteljau_surf(map->Points, obj[i], du, dv, u, v, dimension,
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map->Uorder, map->Vorder);
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/* du[0] = du[0]*obj[i][3] - du[3]*obj[i][0]; */
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/* du[1] = du[1]*obj[i][3] - du[3]*obj[i][1]; */
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/* du[2] = du[2]*obj[i][3] - du[3]*obj[i][2]; */
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if (dimension == 4) {
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du[0] = du[0]*obj[i][3] - du[3]*obj[i][0];
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du[1] = du[1]*obj[i][3] - du[3]*obj[i][1];
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du[2] = du[2]*obj[i][3] - du[3]*obj[i][2];
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/* dv[0] = dv[0]*obj[i][3] - dv[3]*obj[i][0]; */
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/* dv[1] = dv[1]*obj[i][3] - dv[3]*obj[i][1]; */
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/* dv[2] = dv[2]*obj[i][3] - dv[3]*obj[i][2]; */
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dv[0] = dv[0]*obj[i][3] - dv[3]*obj[i][0];
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dv[1] = dv[1]*obj[i][3] - dv[3]*obj[i][1];
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dv[2] = dv[2]*obj[i][3] - dv[3]*obj[i][2];
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}
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CROSS3(normal[i], du, dv);
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NORMALIZE_3FV(normal[i]);
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