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-rw-r--r--lib/libm/cexpl.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libm/cexpl.c b/lib/libm/cexpl.c
new file mode 100644
index 00000000..0d3bdfb6
--- /dev/null
+++ b/lib/libm/cexpl.c
@@ -0,0 +1,13 @@
+#include <math.h>
+#include <complex.h>
+
+long double complex cexpl(long double complex z)
+{
+ long double r, x, y;
+
+ x = creall(z);
+ y = cimagl(z);
+ r = expl(x);
+
+ return r * cosl(y) + r * sinl(y) * I;
+}