add Num.tau

wren-lang · Dec 3, 2020 · 89c5e22 · 89c5e22
1 parent 8361217
commit 89c5e22
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/doc/site/modules/core/num.markdown b/doc/site/modules/core/num.markdown
@@ -23,6 +23,10 @@ Provides a default sane NaN number suitable for the vm internal values.
 
 The value of &pi;.
 
+### Num.**tau**
+
+The value of &tau;.
+
 ### Num.**largest**
 
 The largest representable numeric value.

diff --git a/src/vm/wren_core.c b/src/vm/wren_core.c
@@ -627,7 +627,8 @@ DEF_PRIMITIVE(num_fromString)
 
 DEF_NUM_CONSTANT(infinity, INFINITY)
 DEF_NUM_CONSTANT(nan,      WREN_DOUBLE_NAN)
-DEF_NUM_CONSTANT(pi,       3.14159265358979323846)
+DEF_NUM_CONSTANT(pi,       3.14159265358979323846264338327950288)
+DEF_NUM_CONSTANT(tau,      6.28318530717958647692528676655900577)
 
 DEF_NUM_CONSTANT(largest,  DBL_MAX)
 DEF_NUM_CONSTANT(smallest, DBL_MIN)
@@ -1324,6 +1325,7 @@ void wrenInitializeCore(WrenVM* vm)
   PRIMITIVE(vm->numClass->obj.classObj, "infinity", num_infinity);
   PRIMITIVE(vm->numClass->obj.classObj, "nan", num_nan);
   PRIMITIVE(vm->numClass->obj.classObj, "pi", num_pi);
+  PRIMITIVE(vm->numClass->obj.classObj, "tau", num_tau);
   PRIMITIVE(vm->numClass->obj.classObj, "largest", num_largest);
   PRIMITIVE(vm->numClass->obj.classObj, "smallest", num_smallest);
   PRIMITIVE(vm->numClass, "-(_)", num_minus);