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Diffstat (limited to 'winsup/mingw/mingwex/complex/csqrt.c')
-rw-r--r--winsup/mingw/mingwex/complex/csqrt.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/winsup/mingw/mingwex/complex/csqrt.c b/winsup/mingw/mingwex/complex/csqrt.c
deleted file mode 100644
index b5f8868e9..000000000
--- a/winsup/mingw/mingwex/complex/csqrt.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- csqrt.c
- Contributed by Danny Smith
- 2003-10-20
-*/
-
-#include <math.h>
-#include <complex.h>
-
-double complex csqrt (double complex Z)
-{
- double complex Res;
- double t;
- double x = __real__ Z;
- double y = __imag__ Z;
-
- if (y == 0.0)
- {
- if (x < 0.0)
- {
- __real__ Res = 0.0;
- __imag__ Res = sqrt (-x);
- }
- else
- {
- __real__ Res = sqrt (x);
- __imag__ Res = 0.0;
- }
- }
-
- else if (x == 0.0)
- {
- t = sqrt(0.5 * fabs (y));
- __real__ Res = t;
- __imag__ Res = y > 0 ? t : -t;
- }
-
- else
- {
- t = sqrt (2.0 * (_hypot (x, y) + fabs (x)));
- double u = t / 2.0;
- if ( x > 0.0)
- {
- __real__ Res = u;
- __imag__ Res = y / t;
- }
- else
- {
- __real__ Res = fabs ( y / t);
- __imag__ Res = y < 0.0 ? -u : u;
- }
- }
-
- return Res;
-}
-