diff options
| -rw-r--r-- | miscutils/bc.c | 344 |
1 files changed, 172 insertions, 172 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 45680c1..866fa30 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -919,178 +919,178 @@ static const char bc_program_stdin_name[] = "<stdin>"; static const char *bc_lib_name = "gen/lib.bc"; static const char bc_lib[] = { - "scale=20" -"\ndefine e(x){" -"\n auto b,s,n,r,d,i,p,f,v" -"\n b=ibase" -"\n ibase=A" -"\n if(x<0){" -"\n n=1" -"\n x=-x" -"\n }" -"\n s=scale" -"\n r=6+s+0.44*x" -"\n scale=scale(x)+1" -"\n while(x>1){" -"\n d+=1" -"\n x/=2" -"\n scale+=1" -"\n }" -"\n scale=r" -"\n r=x+1" -"\n p=x" -"\n f=v=1" -"\n for(i=2;v!=0;++i){" -"\n p*=x" -"\n f*=i" -"\n v=p/f" -"\n r+=v" -"\n }" -"\n while((d--)!=0)r*=r" -"\n scale=s" -"\n ibase=b" -"\n if(n!=0)return(1/r)" -"\n return(r/1)" -"\n}" -"\ndefine l(x){" -"\n auto b,s,r,p,a,q,i,v" -"\n b=ibase" -"\n ibase=A" -"\n if(x<=0){" -"\n r=(1-10^scale)/1" -"\n ibase=b" -"\n return(r)" -"\n }" -"\n s=scale" -"\n scale+=6" -"\n p=2" -"\n while(x>=2){" -"\n p*=2" -"\n x=sqrt(x)" -"\n }" -"\n while(x<=0.5){" -"\n p*=2" -"\n x=sqrt(x)" -"\n }" -"\n r=a=(x-1)/(x+1)" -"\n q=a*a" -"\n v=1" -"\n for(i=3;v!=0;i+=2){" -"\n a*=q" -"\n v=a/i" -"\n r+=v" -"\n }" -"\n r*=p" -"\n scale=s" -"\n ibase=b" -"\n return(r/1)" -"\n}" -"\ndefine s(x){" -"\n auto b,s,r,n,a,q,i" -"\n b=ibase" -"\n ibase=A" -"\n s=scale" -"\n scale=1.1*s+2" -"\n a=a(1)" -"\n if(x<0){" -"\n n=1" -"\n x=-x" -"\n }" -"\n scale=0" -"\n q=(x/a+2)/4" -"\n x=x-4*q*a" -"\n if(q%2!=0)x=-x" -"\n scale=s+2" -"\n r=a=x" -"\n q=-x*x" -"\n for(i=3;a!=0;i+=2){" -"\n a*=q/(i*(i-1))" -"\n r+=a" -"\n }" -"\n scale=s" -"\n ibase=b" -"\n if(n!=0)return(-r/1)" -"\n return(r/1)" -"\n}" -"\ndefine c(x){" -"\n auto b,s" -"\n b=ibase" -"\n ibase=A" -"\n s=scale" -"\n scale*=1.2" -"\n x=s(2*a(1)+x)" -"\n scale=s" -"\n ibase=b" -"\n return(x/1)" -"\n}" -"\ndefine a(x){" -"\n auto b,s,r,n,a,m,t,f,i,u" -"\n b=ibase" -"\n ibase=A" -"\n n=1" -"\n if(x<0){" -"\n n=-1" -"\n x=-x" -"\n }" -"\n if(x==1){" -"\n if(scale<65){" -"\n return(.7853981633974483096156608458198757210492923498437764552437361480/n)" -"\n }" -"\n }" -"\n if(x==.2){" -"\n if(scale<65){" -"\n return(.1973955598498807583700497651947902934475851037878521015176889402/n)" -"\n }" -"\n }" -"\n s=scale" -"\n if(x>.2){" -"\n scale+=5" -"\n a=a(.2)" -"\n }" -"\n scale=s+3" -"\n while(x>.2){" -"\n m+=1" -"\n x=(x-.2)/(1+.2*x)" -"\n }" -"\n r=u=x" -"\n f=-x*x" -"\n t=1" -"\n for(i=3;t!=0;i+=2){" -"\n u*=f" -"\n t=u/i" -"\n r+=t" -"\n }" -"\n scale=s" -"\n ibase=b" -"\n return((m*a+r)/n)" -"\n}" -"\ndefine j(n,x){" -"\n auto b,s,o,a,i,v,f" -"\n b=ibase" -"\n ibase=A" -"\n s=scale" -"\n scale=0" -"\n n/=1" -"\n if(n<0){" -"\n n=-n" -"\n if(n%2==1)o=1" -"\n }" -"\n a=1" -"\n for(i=2;i<=n;++i)a*=i" -"\n scale=1.5*s" -"\n a=(x^n)/2^n/a" -"\n r=v=1" -"\n f=-x*x/4" -"\n scale=scale+length(a)-scale(a)" -"\n for(i=1;v!=0;++i){" -"\n v=v*f/i/(n+i)" -"\n r+=v" -"\n }" -"\n scale=s" -"\n ibase=b" -"\n if(o!=0)a=-a" -"\n return(a*r/1)" -"\n}" + "scale=20" +"\n" "define e(x){" +"\n" "auto b,s,n,r,d,i,p,f,v" +"\n" "b=ibase" +"\n" "ibase=A" +"\n" "if(x<0){" +"\n" "n=1" +"\n" "x=-x" +"\n" "}" +"\n" "s=scale" +"\n" "r=6+s+0.44*x" +"\n" "scale=scale(x)+1" +"\n" "while(x>1){" +"\n" "d+=1" +"\n" "x/=2" +"\n" "scale+=1" +"\n" "}" +"\n" "scale=r" +"\n" "r=x+1" +"\n" "p=x" +"\n" "f=v=1" +"\n" "for(i=2;v!=0;++i){" +"\n" "p*=x" +"\n" "f*=i" +"\n" "v=p/f" +"\n" "r+=v" +"\n" "}" +"\n" "while((d--)!=0)r*=r" +"\n" "scale=s" +"\n" "ibase=b" +"\n" "if(n!=0)return(1/r)" +"\n" "return(r/1)" +"\n" "}" +"\n" "define l(x){" +"\n" "auto b,s,r,p,a,q,i,v" +"\n" "b=ibase" +"\n" "ibase=A" +"\n" "if(x<=0){" +"\n" "r=(1-10^scale)/1" +"\n" "ibase=b" +"\n" "return(r)" +"\n" "}" +"\n" "s=scale" +"\n" "scale+=6" +"\n" "p=2" +"\n" "while(x>=2){" +"\n" "p*=2" +"\n" "x=sqrt(x)" +"\n" "}" +"\n" "while(x<=0.5){" +"\n" "p*=2" +"\n" "x=sqrt(x)" +"\n" "}" +"\n" "r=a=(x-1)/(x+1)" +"\n" "q=a*a" +"\n" "v=1" +"\n" "for(i=3;v!=0;i+=2){" +"\n" "a*=q" +"\n" "v=a/i" +"\n" "r+=v" +"\n" "}" +"\n" "r*=p" +"\n" "scale=s" +"\n" "ibase=b" +"\n" "return(r/1)" +"\n" "}" +"\n" "define s(x){" +"\n" "auto b,s,r,n,a,q,i" +"\n" "b=ibase" +"\n" "ibase=A" +"\n" "s=scale" +"\n" "scale=1.1*s+2" +"\n" "a=a(1)" +"\n" "if(x<0){" +"\n" "n=1" +"\n" "x=-x" +"\n" "}" +"\n" "scale=0" +"\n" "q=(x/a+2)/4" +"\n" "x=x-4*q*a" +"\n" "if(q%2!=0)x=-x" +"\n" "scale=s+2" +"\n" "r=a=x" +"\n" "q=-x*x" +"\n" "for(i=3;a!=0;i+=2){" +"\n" "a*=q/(i*(i-1))" +"\n" "r+=a" +"\n" "}" +"\n" "scale=s" +"\n" "ibase=b" +"\n" "if(n!=0)return(-r/1)" +"\n" "return(r/1)" +"\n" "}" +"\n" "define c(x){" +"\n" "auto b,s" +"\n" "b=ibase" +"\n" "ibase=A" +"\n" "s=scale" +"\n" "scale*=1.2" +"\n" "x=s(2*a(1)+x)" +"\n" "scale=s" +"\n" "ibase=b" +"\n" "return(x/1)" +"\n" "}" +"\n" "define a(x){" +"\n" "auto b,s,r,n,a,m,t,f,i,u" +"\n" "b=ibase" +"\n" "ibase=A" +"\n" "n=1" +"\n" "if(x<0){" +"\n" "n=-1" +"\n" "x=-x" +"\n" "}" +"\n" "if(x==1){" +"\n" "if(scale<65){" +"\n" "return(.7853981633974483096156608458198757210492923498437764552437361480/n)" +"\n" "}" +"\n" "}" +"\n" "if(x==.2){" +"\n" "if(scale<65){" +"\n" "return(.1973955598498807583700497651947902934475851037878521015176889402/n)" +"\n" "}" +"\n" "}" +"\n" "s=scale" +"\n" "if(x>.2){" +"\n" "scale+=5" +"\n" "a=a(.2)" +"\n" "}" +"\n" "scale=s+3" +"\n" "while(x>.2){" +"\n" "m+=1" +"\n" "x=(x-.2)/(1+.2*x)" +"\n" "}" +"\n" "r=u=x" +"\n" "f=-x*x" +"\n" "t=1" +"\n" "for(i=3;t!=0;i+=2){" +"\n" "u*=f" +"\n" "t=u/i" +"\n" "r+=t" +"\n" "}" +"\n" "scale=s" +"\n" "ibase=b" +"\n" "return((m*a+r)/n)" +"\n" "}" +"\n" "define j(n,x){" +"\n" "auto b,s,o,a,i,v,f" +"\n" "b=ibase" +"\n" "ibase=A" +"\n" "s=scale" +"\n" "scale=0" +"\n" "n/=1" +"\n" "if(n<0){" +"\n" "n=-n" +"\n" "if(n%2==1)o=1" +"\n" "}" +"\n" "a=1" +"\n" "for(i=2;i<=n;++i)a*=i" +"\n" "scale=1.5*s" +"\n" "a=(x^n)/2^n/a" +"\n" "r=v=1" +"\n" "f=-x*x/4" +"\n" "scale=scale+length(a)-scale(a)" +"\n" "for(i=1;v!=0;++i){" +"\n" "v=v*f/i/(n+i)" +"\n" "r+=v" +"\n" "}" +"\n" "scale=s" +"\n" "ibase=b" +"\n" "if(o!=0)a=-a" +"\n" "return(a*r/1)" +"\n" "}" }; #endif // ENABLE_BC |