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-rw-r--r--math/test-double.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/math/test-double.c b/math/test-double.c
index c2e7dc92b3..4769f4e754 100644
--- a/math/test-double.c
+++ b/math/test-double.c
@@ -23,6 +23,7 @@
#define MATHCONST(x) x
#define CHOOSE(Clongdouble,Cdouble,Cfloat) Cdouble
#define PRINTF_EXPR "e"
+#define PRINTF_XEXPR "a"
#define TEST_DOUBLE 1
#ifndef __NO_MATH_INLINES