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-rw-r--r--tests/conformance/4-statements/if_float_condition.zc11
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/conformance/4-statements/if_float_condition.zc b/tests/conformance/4-statements/if_float_condition.zc
new file mode 100644
index 0000000..02a988c
--- /dev/null
+++ b/tests/conformance/4-statements/if_float_condition.zc
@@ -0,0 +1,11 @@
+// expect: 0/1/1/
+// spec 4.3: a float is false when +0.0 or -0.0
+include rt;
+void pn(int x) { rt.put_n(x); rt.put_c(10); }
+fn main() {
+ float z = 0.0, h = 0.5, n = 0.0 - 3.0;
+ if (z) pn(9); else pn(0);
+ if (h) pn(1); else pn(9);
+ if (n) pn(1); else pn(9);
+ return 0;
+}