20939: fix NaN handling

sagemath · Nov 14, 2016 · 31e6c64 · 31e6c64
1 parent 55deed7
commit 31e6c64
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diff --git a/src/sage/libs/pynac/constant.pyx b/src/sage/libs/pynac/constant.pyx
@@ -61,6 +61,8 @@ cdef class PynacConstant:
             self.pointer = <GConstant *>&g_Catalan
         elif self._name == "euler_gamma":
             self.pointer = <GConstant *>&g_Euler
+        elif self._name == "NaN":
+            self.pointer = <GConstant *>&g_NaN
         else:
             GConstant_construct(&self.object, name, texname, domain)
             self.pointer = &self.object

diff --git a/src/sage/libs/pynac/pynac.pxd b/src/sage/libs/pynac/pynac.pxd
@@ -216,6 +216,7 @@ cdef extern from "sage/libs/pynac/wrap.h":
     GEx g_Pi "Pi"
     GEx g_Catalan "Catalan"
     GEx g_Euler "Euler"
+    GEx g_NaN "NaN"
 
     GConstant* GConstant_construct(void *mem, char* name, char* texname, unsigned domain)
     bint is_a_constant "is_a<constant>" (GEx e)