/*CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC C C C COMPUTE MERTENS FUNCTION (local maxima using Deleglise and Rivat) C C 10/16/15 (DKC) (more limited range of N values compared to test1af.c) C C C CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC*/ #include <stdio.h> #include <math.h> #include "table2.h" extern char *malloc(); int newmob(unsigned int a, unsigned int b, int *out, unsigned int *table); int nuriv(unsigned int x1, unsigned int x2, unsigned int u, char *mobb, int *M); void div64_32(unsigned int *dividend, unsigned int *quotient, unsigned int divisor); void mul64_32(unsigned int a0, unsigned int a2, unsigned int m0, unsigned int *product); void sub64(unsigned int *a, unsigned int *b); // unsigned int incnt=62; unsigned int in[62*2]={ 14, 60, 21, 64, 28, 72, 42, 80, 56, 84, 70, 90, 77, 96, 126, 100, 140, 108, 154, 120, 231, 128, 308, 144, 462, 160, 616, 168, 770, 180, 924, 192, 1386, 200, 1540, 216, 1848, 224, 2002, 240, 3003, 256, 4004, 288, 6006, 320, 8008, 336, 10010, 360, 12012, 384, 18018, 400, 20020, 432, 24024, 448, 30030, 480, 40040, 504, 48048, 512, 60060, 576, 90090, 600, 102102, 640, 120120, 672, 170170, 720, 204204, 768, 306306, 800, 340340, 864, 408408, 896, 510510, 960, 680680, 1008, 816816, 1024, 1021020, 1152, 1531530, 1200, 1939938, 1280, 2042040, 1344, 3063060, 1440, 3879876, 1536, 5819814, 1600, 6126120, 1680, 6466460, 1728, 7759752, 1792, 9699690, 1920, 12932920, 2016, 15519504, 2048, 19399380, 2304, 29099070, 2400, 38798760, 2688, 58198140, 2880, 77597520, 3072}; // void main() { int t,*temp,savet; int *M; char *m; unsigned int MAXN,N[2],P[3],T[2],J[2],g,h,i,j,count,u,index,ta,tb; double sum,f1,f2; FILE *Outfp; Outfp = fopen("out1ag.dat","w"); MAXN=in[2*incnt-2]; f1=log(log((double)MAXN)+log(360.0)); f1=f1*f1; f1=exp(1.0/3.0*log(f1)); f2=exp(1.0/3.0*(log((double)MAXN)+log(360.0))); u=(unsigned int)(f1*f2); printf("x/u=%d \n",(MAXN/u)*360); if (((MAXN/u)*360)>390000000) { printf("not enough memory \n"); goto zskip; } // temp=(int*) malloc(4004); if (temp==NULL) { printf("not enough memory \n"); return; } M=(int*) malloc(1560000004); if (M==NULL) { printf("not enough memory \n"); return; } m=(char*) malloc(390000001); if (m==NULL) { printf("not enough memory \n"); return; } printf("computing Mobius function \n"); index=0; ta=1; tb=1001; for (i=0; i<390000; i++) { t=newmob(ta,tb,temp,table); if (t!=1) { printf("error \n"); goto zskip; } ta=tb; tb=tb+1000; for (j=0; j<1000; j++) M[j+index]=temp[j]; index=index+1000; } // // compute Mertens function // printf("computing Mertens function \n"); m[0]=(char)M[0]; for (i=1; i<=390000000; i++) { m[i]=(char)M[i]; M[i]=M[i-1]+M[i]; } mul64_32(0,MAXN,360,P); printf("computing sum: MAXN=%#010x %#010x \n",P[1],P[2]); // for (g=0; g<incnt; g++) { mul64_32(0,in[2*g],360,P); N[0]=P[1]; N[1]=P[2]; sum=0.0; count=0; h=(unsigned int)(sqrt((double)in[2*g])*sqrt(360.0)); for (i=1; i<=h; i++) { div64_32(N,J,i); mul64_32(J[0],J[1],i,P); T[0]=P[1]; T[1]=P[2]; sub64(N,T); if ((T[0]==0)&&(T[1]==0)) { j=J[1]; if ((j>390000000)||(J[0]!=0)) { t=nuriv(J[0],J[1],u,m,M); printf("x=%#010x %#010x, t=%d \n",J[0],J[1],t); } else t=M[j-1]; if (i==1) savet=t; sum=sum+(double)t*(double)t; count=count+1; if ((j!=i)||(J[0]!=0)) { t=M[i-1]; sum=sum+(double)t*(double)t; count=count+1; } } } if (count!=in[2*g+1]) { printf("error: count=%d %d \n",count,in[2*g+1]); goto zskip; } if (savet<0) savet=-savet; printf(" %#010x %#010x %d %d %d \n",N[0],N[1],(unsigned int)sum,count,savet); fprintf(Outfp," %#010x, %#010x, %d, %d, %d, \n",N[0],N[1],(unsigned int)sum,count,savet); } zskip: fclose(Outfp); return; }