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Diffstat (limited to 'sysdeps/ieee754/dbl-64/slowpow.c')
-rw-r--r--sysdeps/ieee754/dbl-64/slowpow.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/sysdeps/ieee754/dbl-64/slowpow.c b/sysdeps/ieee754/dbl-64/slowpow.c
index 11da7e43d9..3412197aef 100644
--- a/sysdeps/ieee754/dbl-64/slowpow.c
+++ b/sysdeps/ieee754/dbl-64/slowpow.c
@@ -34,40 +34,40 @@
#include "mpa.h"
-void mpexp(mp_no *x, mp_no *y, int p);
-void mplog(mp_no *x, mp_no *y, int p);
+void __mpexp(mp_no *x, mp_no *y, int p);
+void __mplog(mp_no *x, mp_no *y, int p);
double ulog(double);
-double halfulp(double x,double y);
+double __halfulp(double x,double y);
-double slowpow(double x, double y, double z) {
+double __slowpow(double x, double y, double z) {
double res,res1;
mp_no mpx, mpy, mpz,mpw,mpp,mpr,mpr1;
static const mp_no eps = {-3,{1.0,4.0}};
int p;
- res = halfulp(x,y); /* halfulp() returns -10 or x^y */
+ res = __halfulp(x,y); /* halfulp() returns -10 or x^y */
if (res >= 0) return res; /* if result was really computed by halfulp */
/* else, if result was not really computed by halfulp */
p = 10; /* p=precision */
- dbl_mp(x,&mpx,p);
- dbl_mp(y,&mpy,p);
- dbl_mp(z,&mpz,p);
- mplog(&mpx, &mpz, p); /* log(x) = z */
- mul(&mpy,&mpz,&mpw,p); /* y * z =w */
- mpexp(&mpw, &mpp, p); /* e^w =pp */
- add(&mpp,&eps,&mpr,p); /* pp+eps =r */
+ __dbl_mp(x,&mpx,p);
+ __dbl_mp(y,&mpy,p);
+ __dbl_mp(z,&mpz,p);
+ __mplog(&mpx, &mpz, p); /* log(x) = z */
+ __mul(&mpy,&mpz,&mpw,p); /* y * z =w */
+ __mpexp(&mpw, &mpp, p); /* e^w =pp */
+ __add(&mpp,&eps,&mpr,p); /* pp+eps =r */
__mp_dbl(&mpr, &res, p);
- sub(&mpp,&eps,&mpr1,p); /* pp -eps =r1 */
+ __sub(&mpp,&eps,&mpr1,p); /* pp -eps =r1 */
__mp_dbl(&mpr1, &res1, p); /* converting into double precision */
if (res == res1) return res;
p = 32; /* if we get here result wasn't calculated exactly, continue */
- dbl_mp(x,&mpx,p); /* for more exact calculation */
- dbl_mp(y,&mpy,p);
- dbl_mp(z,&mpz,p);
- mplog(&mpx, &mpz, p); /* log(c)=z */
- mul(&mpy,&mpz,&mpw,p); /* y*z =w */
- mpexp(&mpw, &mpp, p); /* e^w=pp */
+ __dbl_mp(x,&mpx,p); /* for more exact calculation */
+ __dbl_mp(y,&mpy,p);
+ __dbl_mp(z,&mpz,p);
+ __mplog(&mpx, &mpz, p); /* log(c)=z */
+ __mul(&mpy,&mpz,&mpw,p); /* y*z =w */
+ __mpexp(&mpw, &mpp, p); /* e^w=pp */
__mp_dbl(&mpp, &res, p); /* converting into double precision */
return res;
}