[recipes] number: export setters

[Matthias Clasen <matthiasc src gnome org>]

commit 9ebc6d03ec2db0f3c6a8987d6f766f08ed2f1aa0
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Dec 24 23:14:51 2016 -0500

    number: export setters
    
    These will be useful in the ingredients list code.

 src/gr-number.c |   24 ++++++++++++------------
 src/gr-number.h |    3 +++
 2 files changed, 15 insertions(+), 12 deletions(-)
---
diff --git a/src/gr-number.c b/src/gr-number.c
index ed417a2..e7160cb 100644
--- a/src/gr-number.c
+++ b/src/gr-number.c
@@ -42,7 +42,7 @@ gcd (int m, int n)
         return m;
 }
 
-static void
+void
 gr_number_set_fraction (GrNumber *number,
                         int       num,
                         int       denom)
@@ -60,6 +60,16 @@ gr_number_set_fraction (GrNumber *number,
         number->value = ((double) num) / ((double) denom);
 }
 
+void
+gr_number_set_float (GrNumber *number,
+                     double    value)
+{
+        number->fraction = FALSE;
+        number->num = 0;
+        number->denom = 0;
+        number->value = value;
+}
+
 GrNumber *
 gr_number_new_fraction (int num, int denom)
 {
@@ -71,16 +81,6 @@ gr_number_new_fraction (int num, int denom)
         return number;
 }
 
-static void
-gr_number_set_float (GrNumber *number,
-                     double    value)
-{
-        number->fraction = FALSE;
-        number->num = 0;
-        number->denom = 0;
-        number->value = value;
-}
-
 GrNumber *
 gr_number_new_float (double value)
 {
@@ -379,7 +379,7 @@ gr_number_format (GrNumber *number)
                         g_autofree char *fraction = NULL;
 
                         if (number->denom == 0)
-                                return g_strdup_printf ("%d/0", number->num);
+                                return g_strdup ("");
 
                         integral = number->num / number->denom;
                         fraction = format_fraction (number->num % number->denom, number->denom);
diff --git a/src/gr-number.h b/src/gr-number.h
index e37a39a..6682edf 100644
--- a/src/gr-number.h
+++ b/src/gr-number.h
@@ -30,6 +30,9 @@ typedef struct {
 
 GrNumber *gr_number_new_fraction (int num, int denom);
 GrNumber *gr_number_new_float    (double value);
+
+void      gr_number_set_fraction (GrNumber *number, int num, int denom);
+void      gr_number_set_float    (GrNumber *number, double value);
 void      gr_number_add          (GrNumber *a1,
                                   GrNumber *a2,
                                   GrNumber *b);