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-rw-r--r--newlib/libc/include/math.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h
index 16098c66c..1be7511dc 100644
--- a/newlib/libc/include/math.h
+++ b/newlib/libc/include/math.h
@@ -119,7 +119,7 @@ extern int __fpclassifyd (double x);
/* Non ANSI double precision functions. */
extern double infinity _PARAMS((void));
-extern double nan _PARAMS((void));
+extern double nan _PARAMS((const char *));
extern int isnan _PARAMS((double));
extern int isinf _PARAMS((double));
extern int finite _PARAMS((double));
@@ -234,7 +234,7 @@ extern float fminf _PARAMS((float, float));
extern float fmaf _PARAMS((float, float, float));
extern float infinityf _PARAMS((void));
-extern float nanf _PARAMS((void));
+extern float nanf _PARAMS((const char *));
extern int isnanf _PARAMS((float));
extern int isinff _PARAMS((float));
extern int finitef _PARAMS((float));