Changeset 26ebc6 in git for libpolys/coeffs/shortfl.cc

Timestamp:

Feb 25, 2013, 12:37:51 PM (10 years ago)

Author:

Oleksandr Motsak <motsak@…>

Branches:

(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', 'ad2543eab51733612ba7d118afc77edca719600e')

Children:

27c79fcbc083eb57ec1345d22a6892cf162f017b

Parents:

0c516e37d47da9dbc827d68d2253f7289dfbfd3c8c2815d19daf34708c2cbc2cf44f8a95b28e3a28

Message:

Merge pull request #303 from YueRen/floatprint

chg: added brackets around floating numbers

File:

• libpolys/coeffs/shortfl.cc (modified) (4 diffs)

libpolys/coeffs/shortfl.cc

@@ -6 +6 @@
 * ABSTRACT:
 */
-#include <iostream>
 #include <coeffs/shortfl.h>
 
@@ -249 +248 @@
   assume( getCoeffType(r) == ID );
 
-  StringAppend("%9.3e", nf(a).F());
+  char ch[11];
+  int n = sprintf(ch,"%9.3e", nf(a).F());
+  if (ch[0] == '-')
+  {
+    char* chbr = new char[n+3];
+    memcpy(&chbr[2],&ch[1],n-1);
+    chbr[0] = '-';
+    chbr[1] = '(';
+    chbr[n+1] = ')';
+    chbr[n+2] = '\0';
+    StringAppendS(chbr);
+    delete chbr;
+  }
+  else
+    StringAppend("(%s)",ch);
 }
 
@@ -436 +449 @@
     signed long int exp;
     basis = mpf_get_d_2exp(&exp, e);
-    float f = ldexp(basis,exp);
+    float f= mpf_sgn(e)*ldexp(basis,exp);
     mpf_clear(e);
     return nf(f).N();
@@ -462 +475 @@
   signed long int exp;
   basis = mpf_get_d_2exp(&exp, q);
-  float f = ldexp(basis,exp);
+  float f = mpf_sgn(e)*ldexp(basis,exp);
   mpf_clear(e);
   mpf_clear(d);