Singular Manual: texpoly

| #### D.9.2.9 texpoly Procedure from library `latex.lib` (see latex_lib). Usage: texpoly(fname,p); fname string, p poly Return: if `fname=""`: string, the polynomial p in LaTeX-typesetting; otherwise: append this string to the file `<fname>`, and return nothing. Note: preceding ">>" are deleted in `fname`, and suffix ".tex" (if not given) is added to `fname`. Example:
    LIB "latex.lib";
    ring r0=0,(x,y,z),dp;
    poly f = -1x^2 + 2;
    texpoly("",f);
    ==> $-x^{2}+2$
    ring rr= real,(x,y,z),dp;
    texpoly("",2x2y23z);
    ==> $2.000x^{2}y^{23}z$
    ring r7= 7,(x,y,z),dp;
    poly f = 2x2y23z;
    texpoly("",f);
    ==> $2x^{2}y^{23}z$
    ring rab =(0,a,b),(x,y,z),dp;
    poly f = (-2a2 +b3 -2)/a * x2y4z5 + (a2+1)*x + a+1;
    f;
    ==> (-2a2+b3-2)/(a)*x2y4z5+(a2+1)*x+(a+1)
    texpoly("",f);
    ==> $-\frac{2a^{2}-b^{3}+2}{a}\cdot x^{2}y^{4}z^{5}+(a^{2}+1)\cdot x+(a+1)$
    texpoly("",1/(a2+2)*x2+2/b*x+(a+1)/3);
    ==> $\frac{1}{a^{2}+2}\cdot x^{2}+\frac{2}{b}\cdot x+\frac{a+1}{3}$

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