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authorSiddhesh Poyarekar <siddhesh@redhat.com>2012-12-21 09:15:10 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2013-01-02 10:07:50 +0530
commitda08f647d58d674db08cdb3e61c8826c89470e2e (patch)
tree688b963715a16be8198bb735c114ab058b3b3bac /sysdeps/ieee754
parent38686a0363dcd2ce65bebf2055864e403aab1dff (diff)
downloadglibc-da08f647d58d674db08cdb3e61c8826c89470e2e.tar.gz
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Move more constants into static variables
Code cleanup.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/dbl-64/mpa.c5
-rw-r--r--sysdeps/ieee754/dbl-64/mpa.h1
-rw-r--r--sysdeps/ieee754/dbl-64/mpatan.c10
-rw-r--r--sysdeps/ieee754/dbl-64/mpsqrt.c14
4 files changed, 8 insertions, 22 deletions
diff --git a/sysdeps/ieee754/dbl-64/mpa.c b/sysdeps/ieee754/dbl-64/mpa.c
index c868c63e98..499dbd309d 100644
--- a/sysdeps/ieee754/dbl-64/mpa.c
+++ b/sysdeps/ieee754/dbl-64/mpa.c
@@ -53,6 +53,7 @@
 
 #ifndef NO__CONST
 const mp_no mpone = {1, {1.0, 1.0}};
+const mp_no mptwo = {1, {1.0, 2.0}};
 #endif
 
 #ifndef NO___ACR
@@ -494,10 +495,6 @@ void __inv(const mp_no *x, mp_no *y, int p) {
   mp_no z,w;
   static const int np1[] = {0,0,0,0,1,2,2,2,2,3,3,3,3,3,3,3,3,3,
 			    4,4,4,4,4,4,4,4,4,4,4,4,4,4,4};
-  const mp_no mptwo = {1,{1.0,2.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-			 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-			 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-			 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}};
 
   __cpy(x,&z,p);  z.e=0;  __mp_dbl(&z,&t,p);
   t=ONE/t;   __dbl_mp(t,y,p);    EY -= EX;
diff --git a/sysdeps/ieee754/dbl-64/mpa.h b/sysdeps/ieee754/dbl-64/mpa.h
index 4fdecb60ab..2a2deb410f 100644
--- a/sysdeps/ieee754/dbl-64/mpa.h
+++ b/sysdeps/ieee754/dbl-64/mpa.h
@@ -55,6 +55,7 @@ typedef struct {/* This structure holds the details of a multi-precision     */
 typedef union { int i[2]; double d; } number;
 
 extern const mp_no mpone;
+extern const mp_no mptwo;
 
 #define  X   x->d
 #define  Y   y->d
diff --git a/sysdeps/ieee754/dbl-64/mpatan.c b/sysdeps/ieee754/dbl-64/mpatan.c
index 69d145c619..d88ee69598 100644
--- a/sysdeps/ieee754/dbl-64/mpatan.c
+++ b/sysdeps/ieee754/dbl-64/mpatan.c
@@ -48,16 +48,13 @@ __mpatan(mp_no *x, mp_no *y, int p) {
   int i,m,n;
   double dx;
   mp_no
-    mptwo    = {0,{0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-		0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-		0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}},
     mptwoim1 = {0,{0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
 		0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
 		0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}};
 
   mp_no mps,mpsm,mpt,mpt1,mpt2,mpt3;
 
-		      /* Choose m and initiate mptwo & mptwoim1 */
+		      /* Choose m and initiate mptwoim1 */
     if      (EX>0) m=7;
     else if (EX<0) m=0;
     else {
@@ -65,9 +62,8 @@ __mpatan(mp_no *x, mp_no *y, int p) {
       for (m=6; m>0; m--)
 	{if (dx>__atan_xm[m].d) break;}
     }
-    mptwo.e    = mptwoim1.e = 1;
-    mptwo.d[0] = mptwoim1.d[0] = ONE;
-    mptwo.d[1] = TWO;
+    mptwoim1.e = 1;
+    mptwoim1.d[0] = ONE;
 
 				 /* Reduce x m times */
     __mul(x,x,&mpsm,p);
diff --git a/sysdeps/ieee754/dbl-64/mpsqrt.c b/sysdeps/ieee754/dbl-64/mpsqrt.c
index 87bc22ec12..de0eb701d1 100644
--- a/sysdeps/ieee754/dbl-64/mpsqrt.c
+++ b/sysdeps/ieee754/dbl-64/mpsqrt.c
@@ -52,19 +52,11 @@ SECTION
 __mpsqrt(mp_no *x, mp_no *y, int p) {
   int i,m,ey;
   double dx,dy;
-  mp_no
-    mphalf   = {0,{0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-		   0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-		   0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}},
-    mp3halfs = {0,{0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-		   0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,
-		   0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}};
+  static const mp_no
+    mphalf   = {0,{1.0,8388608.0 /* 2^23 */}},
+    mp3halfs = {1,{1.0,1.0,8388608.0 /* 2^23 */}};
   mp_no mpxn,mpz,mpu,mpt1,mpt2;
 
-  /* Prepare multi-precision 1/2 and 3/2 */
-  mphalf.e  =0;  mphalf.d[0]  =ONE;  mphalf.d[1]  =HALFRAD;
-  mp3halfs.e=1;  mp3halfs.d[0]=ONE;  mp3halfs.d[1]=ONE;  mp3halfs.d[2]=HALFRAD;
-
   ey=EX/2;     __cpy(x,&mpxn,p);    mpxn.e -= (ey+ey);
   __mp_dbl(&mpxn,&dx,p);   dy=fastiroot(dx);    __dbl_mp(dy,&mpu,p);
   __mul(&mpxn,&mphalf,&mpz,p);