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-rw-r--r--src/complex/cprojl.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/complex/cprojl.c b/src/complex/cprojl.c
new file mode 100644
index 00000000..72e50cf5
--- /dev/null
+++ b/src/complex/cprojl.c
@@ -0,0 +1,15 @@
+#include "libm.h"
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+long double complex cprojl(long double complex z)
+{
+ return cproj(z);
+}
+#else
+long double complex cprojl(long double complex z)
+{
+ if (isinf(creall(z)) || isinf(cimagl(z)))
+ return cpackl(INFINITY, copysignl(0.0, creall(z)));
+ return z;
+}
+#endif