From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 14 Dec 2018 00:01:01 +0000 (+0100)
Subject: bc: shrink internal library
X-Git-Tag: 1_30_0~175
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3ac0c21a1fe902c7bebadc0fc454ee047e13c58f;p=oweals%2Fbusybox.git

bc: shrink internal library

function                                             old     new   delta
bc_lib                                              1674    1618     -56

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/miscutils/bc.c b/miscutils/bc.c
index a572ad30a..0a2da6cf8 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"	"}"
 };