plan9port

fork of plan9port with libvec, libstr and libsdb
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integral.c (779B)


      1 #include "e.h"
      2 #include "y.tab.h"
      3 
      4 extern int Intps;
      5 extern double Intht, Intbase, Int1h, Int1v, Int2h, Int2v;
      6 
      7 void integral(int p, int p1, int p2)
      8 {
      9 	if (p1 != 0)
     10 		printf(".ds %d \\h'%gm'\\v'%gm'\\*(%d\\v'%gm'\n", p1, -Int1h, Int1v, p1, -Int1v);
     11 	if (p2 != 0)
     12 		printf(".ds %d \\v'%gm'\\h'%gm'\\*(%d\\v'%gm'\n", p2, -Int2v, Int2h, p2, Int2v);
     13 	if (p1 != 0 && p2 != 0)
     14 		shift2(p, p1, p2);
     15 	else if (p1 != 0)
     16 		bshiftb(p, SUB, p1);
     17 	else if (p2 != 0)
     18 		bshiftb(p, SUP, p2);
     19 	dprintf(".\tintegral: S%d; h=%g b=%g\n", p, eht[p], ebase[p]);
     20 	lfont[p] = ROM;
     21 }
     22 
     23 void setintegral(void)
     24 {
     25 	yyval = salloc();
     26 	printf(".ds %d %s\n", (int)yyval, lookup(deftbl, "int_def")->cval);
     27 	eht[yyval] = EM(Intht, ps+Intps);
     28 	ebase[yyval] = EM(Intbase, ps);
     29 	lfont[yyval] = rfont[yyval] = ROM;
     30 }