1 files changed, 20 insertions, 0 deletions
diff --git a/winsup/cygwin/math/fmodl.c b/winsup/cygwin/math/fmodl.c
new file mode 100644
index 0000000..6224db1
--- /dev/null
+++ b/winsup/cygwin/math/fmodl.c
@@ -0,0 +1,20 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+long double fmodl (long double x, long double y);
+
+long double
+fmodl (long double x, long double y)
+{
+  long double res = 0.0L;
+
+  asm ("1:\tfprem\n\t"
+       "fstsw   %%ax\n\t"
+       "sahf\n\t"
+       "jp      1b\n\t"
+       "fstp    %%st(1)"
+       : "=t" (res) : "0" (x), "u" (y) : "ax", "st(1)");
+  return res;
+}