Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'winsup/mingw/mingwex/complex/ctanl.c')
-rwxr-xr-xwinsup/mingw/mingwex/complex/ctanl.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/winsup/mingw/mingwex/complex/ctanl.c b/winsup/mingw/mingwex/complex/ctanl.c
deleted file mode 100755
index 7d3076159..000000000
--- a/winsup/mingw/mingwex/complex/ctanl.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/* ctanl.c */
-
-/*
- Contributed by Danny Smith
- 2005-01-04
-*/
-
-#include <math.h>
-#include <complex.h>
-#include <errno.h>
-
-
-/* ctan (x + I * y) = (sin (2 * x) + I * sinh(2 * y))
- / (cos (2 * x) + cosh (2 * y)) */
-
-long double complex ctanl (long double complex Z)
-{
- long double complex Res;
- long double two_I = 2.0L * __imag__ Z;
- long double two_R = 2.0L * __real__ Z;
- long double denom = cosl (two_R) + coshl (two_I);
- if (denom == 0.0L)
- {
- errno = ERANGE;
- __real__ Res = HUGE_VALL;
- __imag__ Res = HUGE_VALL;
- }
- else if (isinf (denom))
- {
- errno = ERANGE;
- __real__ Res = 0.0;
- __imag__ Res = two_I > 0 ? 1.0L : -1.0L;
- }
- else
- {
- __real__ Res = sinl (two_R) / denom;
- __imag__ Res = sinhl (two_I) / denom;
- }
- return Res;
-}
-