More numerics conversions.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@3136 57a11ea4-9604-0410-9ed3-97b8803252fd

src/SplitLedger.c

@@ -652,6 +652,42 @@ gnc_split_get_quantity_denom (Split *split)
   return denom;
 }
 
+static void
+sr_set_cell_fractions (SplitRegister *reg, Split *split)
+{
+  SRInfo *info = xaccSRGetInfo(reg);
+  Account *account;
+
+  account = xaccSplitGetAccount (split);
+
+  if (account == NULL)
+    account = info->default_source_account;
+
+  if (account)
+  {
+    xaccSetPriceCellFraction (reg->sharesCell,
+                              xaccAccountGetSecuritySCU (account));
+    xaccSetPriceCellFraction (reg->debitCell,
+                              xaccAccountGetCurrencySCU (account));
+    xaccSetPriceCellFraction (reg->creditCell,
+                              xaccAccountGetCurrencySCU (account));
+
+    return;
+  }
+
+  {
+    const gnc_commodity *commodity;
+    int fraction;
+
+    xaccSetPriceCellFraction (reg->sharesCell, 10000);
+
+    commodity = gnc_locale_default_currency ();
+    fraction = gnc_commodity_get_fraction (commodity);
+
+    xaccSetPriceCellFraction (reg->debitCell, fraction);
+    xaccSetPriceCellFraction (reg->creditCell, fraction);
+  }
+}
 
 /* ======================================================== */
 /* This callback gets called when the user clicks on the gui
@@ -770,7 +806,10 @@ LedgerMoveCursor (Table *table, VirtualLocation *p_new_virt_loc)
   /* if the register was reloaded, then everything should be fine :)
    * otherwise, we may need to change some visibility settings. */
   if (saved)
+  {
+    sr_set_cell_fractions (reg, new_split);
     return;
+  }
 
   /* in the mult-line and dynamic modes, we need to hide the old
    * and show the new. */
@@ -794,6 +833,8 @@ LedgerMoveCursor (Table *table, VirtualLocation *p_new_virt_loc)
   info->cursor_hint_cursor_class = new_class;
 
   info->hint_set_by_traverse = FALSE;
+
+  sr_set_cell_fractions (reg, new_split);
 }
 
 /* This function determines if auto-completion is appropriate and,

src/gnc-ui-util.c

@@ -152,42 +152,6 @@ gnc_locale_decimal_places( void )
 }
 
 
-/* utility function to convert floating point value to a string */
-static int
-util_fptostr(char *buf, double val, int prec)
-{
-  int  i;
-  char formatString[10];
-  char prefix[]  = "%0.";
-  char postfix[] = "f";
-
-  /* This routine can only handle precision between 0 and 9, so
-   * clamp precision to that range */
-  if (prec > 9) prec = 9;
-  if (prec < 0) prec = 0;
-
-  /* Make sure that the output does not resemble "-0.00" by forcing
-   * val to 0.0 when we have a very small negative number */
-  if ((val <= 0.0) && (val > -pow(0.1, prec+1) * 5.0))
-    val = 0.0;
-
-  /* Create a format string to pass into sprintf.  By doing this,
-   * we can get sprintf to convert the number to a string, rather
-   * than maintaining conversion code ourselves.  */
-  i = 0;
-  strcpy(&formatString[i], prefix);
-  i += strlen(prefix);
-  formatString[i] = '0' + prec;  /* add prec to ASCII code for '0' */
-  i += 1;
-  strcpy(&formatString[i], postfix);
-  i += strlen(postfix);
-
-  sprintf(buf, formatString, val);
-
-  return strlen(buf);
-}
-
-
 static char *
 gnc_stpcpy (char *dest, const char *src)
 {
@@ -225,21 +189,25 @@ gnc_default_print_info (gboolean use_symbol)
 }
 
 static gboolean
-is_decimal_fraction (int fraction, guint8 *max_decimal_places)
+is_decimal_fraction (int fraction, guint8 *max_decimal_places_p)
+{
+  guint8 max_decimal_places = 0;
+
+  if (fraction <= 0)
+    return FALSE;
+
+  while (fraction != 1)
   {
     if (fraction % 10 != 0)
       return FALSE;
 
-  if (max_decimal_places == NULL)
-    return TRUE;
-
-  *max_decimal_places = 0;
-  while (fraction != 1)
-  {
     fraction = fraction / 10;
-    *max_decimal_places += 1;
+    max_decimal_places += 1;
   }
 
+  if (max_decimal_places_p)
+    *max_decimal_places_p = max_decimal_places;
+
   return TRUE;
 }
 
@@ -428,8 +396,7 @@ PrintAmountInternal(char *buf, gnc_numeric val, const GNCPrintAmountInfo *info)
   }
 
   /* print the absolute value */
-  if (gnc_numeric_negative_p (val))
-    val = gnc_numeric_neg (val);
+  val = gnc_numeric_abs (val);
 
   /* calculate the integer part and the remainder */
   whole = gnc_numeric_create (val.num / val.denom, 1);
@@ -516,7 +483,7 @@ PrintAmountInternal(char *buf, gnc_numeric val, const GNCPrintAmountInfo *info)
     {
       val = gnc_numeric_reduce (val);
 
-      printf (temp_buf, " + %lld / %lld",
+      sprintf (temp_buf, " + %lld / %lld",
                (long long) val.num,
                (long long) val.denom);
 
@@ -575,7 +542,7 @@ PrintAmountInternal(char *buf, gnc_numeric val, const GNCPrintAmountInfo *info)
 }
 
 int
-DxaccSPrintAmount (char * bufp, double val, GNCPrintAmountInfo info)
+xaccSPrintAmount (char * bufp, gnc_numeric val, GNCPrintAmountInfo info)
 {
    struct lconv *lc;
 
@@ -589,13 +556,11 @@ DxaccSPrintAmount (char * bufp, double val, GNCPrintAmountInfo info)
 
    gboolean print_sign = TRUE;
 
-   if (!bufp) return 0;
+   if (!bufp)
+     return 0;
 
    lc = gnc_localeconv();
 
-   if (DEQ(val, 0.0))
-     val = 0.0;
-
    if (info.use_symbol)
    {
      if (gnc_commodity_equiv (info.commodity, gnc_locale_default_currency ()))
@@ -619,7 +584,7 @@ DxaccSPrintAmount (char * bufp, double val, GNCPrintAmountInfo info)
    }
    else
    {
-     if (val < 0.0)
+     if (gnc_numeric_negative_p (val))
      {
        cs_precedes  = lc->n_cs_precedes;
        sep_by_space = lc->n_sep_by_space;
@@ -631,7 +596,7 @@ DxaccSPrintAmount (char * bufp, double val, GNCPrintAmountInfo info)
      }
    }
 
-   if (val < 0.0)
+   if (gnc_numeric_negative_p (val))
    {
      sign = lc->negative_sign;
      sign_posn = lc->n_sign_posn;
@@ -642,7 +607,7 @@ DxaccSPrintAmount (char * bufp, double val, GNCPrintAmountInfo info)
      sign_posn = lc->p_sign_posn;
    }
 
-   if ((val == 0.0) || (sign == NULL) || (sign[0] == 0))
+   if (gnc_numeric_zero_p (val) || (sign == NULL) || (sign[0] == 0))
      print_sign = FALSE;
 
    /* See if we print sign now */
@@ -673,10 +638,7 @@ DxaccSPrintAmount (char * bufp, double val, GNCPrintAmountInfo info)
      bufp = gnc_stpcpy(bufp, "(");
 
    /* Now print the value */
-   {
-     gnc_numeric n = double_to_gnc_numeric (ABS (val), 10000, GNC_RND_ROUND);
-     bufp += PrintAmountInternal(bufp, n, &info);
-   }
+   bufp += PrintAmountInternal(bufp, val, &info);
 
    /* Now see if we print parentheses */
    if (print_sign && (sign_posn == 0))
@@ -710,32 +672,40 @@ DxaccSPrintAmount (char * bufp, double val, GNCPrintAmountInfo info)
 }
 
 const char *
-DxaccPrintAmount (double val, GNCPrintAmountInfo info)
+xaccPrintAmount (gnc_numeric val, GNCPrintAmountInfo info)
 {
   /* hack alert -- this is not thread safe ... */
   static char buf[1024];
 
-   DxaccSPrintAmount (buf, val, info);
+  xaccSPrintAmount (buf, val, info);
 
   /* its OK to return buf, since we declared it static */
   return buf;
 }
 
-int
-xaccSPrintAmount (char * bufp, gnc_numeric val, GNCPrintAmountInfo info)
+const char *
+DxaccPrintAmount (double dval, GNCPrintAmountInfo info)
 {
-  return DxaccSPrintAmount (bufp, gnc_numeric_to_double (val), info);
+  gnc_numeric val;
+
+  val = double_to_gnc_numeric (ABS (dval), 10000, GNC_RND_ROUND);
+
+  return xaccPrintAmount (val, info);
 }
 
-const char *
-xaccPrintAmount (gnc_numeric val, GNCPrintAmountInfo info)
+int
+DxaccSPrintAmount (char * bufp, double dval, GNCPrintAmountInfo info)
 {
-  return DxaccPrintAmount (gnc_numeric_to_double (val), info);
+  gnc_numeric val;
+
+  val = double_to_gnc_numeric (ABS (dval), 10000, GNC_RND_ROUND);
+
+  return xaccSPrintAmount (bufp, val, info);
 }
 
 
 /********************************************************************\
- * DxaccParseAmount                                                 *
+ * xaccParseAmount                                                  *
  *   parses amount strings using locale data                        *
  *                                                                  *
  * Args: in_str   -- pointer to string rep of num                   *

src/gnome/gnc-amount-edit.c

@@ -343,8 +343,7 @@ gnc_amount_edit_set_amount (GNCAmountEdit *gae, gnc_numeric amount)
   gae->amount = amount;
   gae->need_to_parse = FALSE;
 
-  amount_string = DxaccPrintAmount (gnc_numeric_to_double(amount),
-                                    gae->print_info);
+  amount_string = xaccPrintAmount (amount, gae->print_info);
 
   gtk_entry_set_text (GTK_ENTRY (gae->amount_entry), amount_string);
 }

src/gnome/window-register.c

@@ -1053,7 +1053,7 @@ print_check_cb(GtkWidget * widget, gpointer data)
 
   const char   * payee;
   const char   * memo;
-  double       amount;
+  gnc_numeric  amount;
   time_t       date;
 
   SCM print_check = gh_eval_str("gnc:print-check");
@@ -1062,13 +1062,14 @@ print_check_cb(GtkWidget * widget, gpointer data)
      gh_procedure_p(print_check))
   {
     payee  = xaccTransGetDescription(trans);
-    amount = DxaccSplitGetValue(split);
+    amount = xaccSplitGetValue(split);
+    amount = gnc_numeric_abs (amount);
     date   = xaccTransGetDate(trans);
     memo   = xaccSplitGetMemo(split);
 
     gh_apply(print_check,
              SCM_LIST4(gh_str02scm(payee),
-                       gh_double2scm(ABS(amount)),
+                       gh_double2scm(gnc_numeric_to_double (amount)),
                        gh_ulong2scm(date),
                        gh_str02scm(memo)));
   }

src/register/pricecell.c

@@ -40,6 +40,7 @@
 #include "gnc-common.h"
 #include "gnc-exp-parser.h"
 #include "gnc-engine-util.h"
+#include "gnc-numeric.h"
 #include "gnc-ui-util.h"
 
 #include "basiccell.h"

src/register/splitreg.c

@@ -798,6 +798,9 @@ xaccInitSplitRegister (SplitRegister *reg,
   /* by default, don't blank zeros on the price cells. */
   xaccSetPriceCellBlankZero(reg->priceCell, FALSE);
 
+  /* Use 5 decimal places for prices */
+  xaccSetPriceCellFraction (reg->priceCell, 100000);
+
   /* The reconcile cell should only be entered with the pointer, and
    * only then when the user clicks directly on the cell.  */
   reg->recnCell->cell.input_output |= XACC_CELL_ALLOW_EXACT_ONLY;