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authorDenys Vlasenko2018-12-14 01:01:01 +0100
committerDenys Vlasenko2018-12-14 01:01:01 +0100
commit3ac0c21a1fe902c7bebadc0fc454ee047e13c58f (patch)
treed0e32b157aea67d02ff496485df9eb24e5b5a03e /miscutils/bc.c
parent57b6918b0a12e52207709070d0712910cb4323b9 (diff)
downloadbusybox-3ac0c21a1fe902c7bebadc0fc454ee047e13c58f.zip
busybox-3ac0c21a1fe902c7bebadc0fc454ee047e13c58f.tar.gz
bc: shrink internal library
function old new delta bc_lib 1674 1618 -56 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/bc.c')
-rw-r--r--miscutils/bc.c34
1 files changed, 14 insertions, 20 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index a572ad3..0a2da6c 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -7161,16 +7161,16 @@ static const char bc_lib[] ALIGN1 = {
"\n" "r=x+1"
"\n" "p=x"
"\n" "f=v=1"
-"\n" "for(i=2;v!=0;++i){"
+"\n" "for(i=2;v;++i){"
"\n" "p*=x"
"\n" "f*=i"
"\n" "v=p/f"
"\n" "r+=v"
"\n" "}"
-"\n" "while((d--)!=0)r*=r"
+"\n" "while(d--)r*=r"
"\n" "scale=s"
"\n" "ibase=b"
-"\n" "if(n!=0)return(1/r)"
+"\n" "if(n)return(1/r)"
"\n" "return(r/1)"
"\n" "}"
"\n" "define l(x){"
@@ -7195,8 +7195,8 @@ static const char bc_lib[] ALIGN1 = {
"\n" "}"
"\n" "r=a=(x-1)/(x+1)"
"\n" "q=a*a"
-"\n" "v=1"
-"\n" "for(i=3;v!=0;i+=2){"
+"\n" "v=1"
+"\n" "for(i=3;v;i+=2){"
"\n" "a*=q"
"\n" "v=a/i"
"\n" "r+=v"
@@ -7220,17 +7220,17 @@ static const char bc_lib[] ALIGN1 = {
"\n" "scale=0"
"\n" "q=(x/a+2)/4"
"\n" "x=x-4*q*a"
-"\n" "if(q%2!=0)x=-x"
+"\n" "if(q%2)x=-x"
"\n" "scale=s+2"
"\n" "r=a=x"
"\n" "q=-x*x"
-"\n" "for(i=3;a!=0;i+=2){"
+"\n" "for(i=3;a;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" "if(n)return(-r/1)"
"\n" "return(r/1)"
"\n" "}"
"\n" "define c(x){"
@@ -7253,15 +7253,9 @@ static const char bc_lib[] ALIGN1 = {
"\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" "if(scale<65){"
+"\n" "if(x==1)return(.7853981633974483096156608458198757210492923498437764552437361480/n)"
+"\n" "if(x==.2)return(.1973955598498807583700497651947902934475851037878521015176889402/n)"
"\n" "}"
"\n" "s=scale"
"\n" "if(x>.2){"
@@ -7276,7 +7270,7 @@ static const char bc_lib[] ALIGN1 = {
"\n" "r=u=x"
"\n" "f=-x*x"
"\n" "t=1"
-"\n" "for(i=3;t!=0;i+=2){"
+"\n" "for(i=3;t;i+=2){"
"\n" "u*=f"
"\n" "t=u/i"
"\n" "r+=t"
@@ -7303,13 +7297,13 @@ static const char bc_lib[] ALIGN1 = {
"\n" "r=v=1"
"\n" "f=-x*x/4"
"\n" "scale=scale+length(a)-scale(a)"
-"\n" "for(i=1;v!=0;++i){"
+"\n" "for(i=1;v;++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" "if(o)a=-a"
"\n" "return(a*r/1)"
"\n" "}"
};