dTan              352 ext/gd/libgd/gd_rotate.c 	double dRadAngle, dSinE, dTan, dShear;
dTan              360 ext/gd/libgd/gd_rotate.c 	dTan = tan (dRadAngle / 2.0);
dTan              362 ext/gd/libgd/gd_rotate.c 	newx = (int)(src->sx + src->sy * fabs(dTan));
dTan              401 ext/gd/libgd/gd_rotate.c 	dTan = tan (dRadAngle / 2.0);
dTan              404 ext/gd/libgd/gd_rotate.c 		if (dTan >= 0.0) {
dTan              405 ext/gd/libgd/gd_rotate.c 			dShear = ((double)(u + 0.5)) * dTan;
dTan              407 ext/gd/libgd/gd_rotate.c 			dShear = ((double)(u - dst1->sy) + 0.5) * dTan;
dTan              490 ext/gd/libgd/gd_rotate.c 		dOffset = (double)(src->sx - 1) * dSinE * -dTan;
dTan              492 ext/gd/libgd/gd_rotate.c 		dOffset = dTan * ((double)(src->sx - 1) * -dSinE + (double)(1 - newy));
dTan              495 ext/gd/libgd/gd_rotate.c 	for (u = 0; u < dst3->sy; u++, dOffset += dTan) {