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-rw-r--r--src/complex/ctanhf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/complex/ctanhf.c b/src/complex/ctanhf.c
index a7e1a5fc..72b76da0 100644
--- a/src/complex/ctanhf.c
+++ b/src/complex/ctanhf.c
@@ -50,7 +50,7 @@ float complex ctanhf(float complex z)
}
if (!isfinite(y))
- return CMPLXF(y - y, y - y);
+ return CMPLXF(ix ? y - y : x, y - y);
if (ix >= 0x41300000) { /* x >= 11 */
float exp_mx = expf(-fabsf(x));