convert round calls to math.Round

elliotchance · Jul 10, 2018 · adb04f9 · adb04f9
1 parent 7985ea8
commit adb04f9
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diff --git a/program/function_definition.go b/program/function_definition.go
@@ -126,6 +126,7 @@ var builtInFunctionDefinitions = map[string][]string{
 		"double log(double) -> math.Log",
 		"double log10(double) -> math.Log10",
 		"double pow(double, double) -> math.Pow",
+		"double round(doube) -> math.Round",
 		"double sin(double) -> math.Sin",
 		"double sinh(double) -> math.Sinh",
 		"double sqrt(double) -> math.Sqrt",

diff --git a/tests/math.c b/tests/math.c
@@ -400,6 +400,17 @@ int main()
   is_nan(pow(-INFINITY, NAN));
   is_nan(pow(NAN, NAN));
 
+  diag("round")
+  is_nan(round(NAN));
+  is_eq(round(INFINITY), INFINITY);
+  is_eq(round(-INFINITY), -INFINITY);
+  is_eq(round(0), 0);
+  is_eq(round(1), 1);
+  is_eq(round(0.5), 1);
+  is_eq(round(0.4), 0);
+  is_eq(round(1.23e300), 1.23e300);
+  is_eq(round(M_PI), 3);
+
   diag("sin");
   is_eq(sin(0), 0);
   is_eq(sin(1), 0.84147098480789650488);