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Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_tan.c')
-rw-r--r--sysdeps/ieee754/dbl-64/s_tan.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_tan.c b/sysdeps/ieee754/dbl-64/s_tan.c
index 54f863e544..cc0dbbbc9f 100644
--- a/sysdeps/ieee754/dbl-64/s_tan.c
+++ b/sysdeps/ieee754/dbl-64/s_tan.c
@@ -41,6 +41,7 @@
 #include <math.h>
 #include <math_private.h>
 #include <fenv.h>
+#include <stap-probe.h>
 
 #ifndef SECTION
 # define SECTION
@@ -838,6 +839,7 @@ tanMp (double x)
   p = 32;
   __mptan (x, &mpy, p);
   __mp_dbl (&mpy, &y, p);
+  LIBC_PROBE (slowtan, 2, &x, &y);
   return y;
 }