1 files changed, 43 insertions, 0 deletions
diff --git a/winsup/cygwin/local_includes/math.h b/winsup/cygwin/local_includes/math.h
new file mode 100644
index 000000000..d30ecf9e2
--- /dev/null
+++ b/winsup/cygwin/local_includes/math.h
@@ -0,0 +1,43 @@
+#ifndef _LOCAL_MATH_H_
+#define _LOCAL_MATH_H_
+
+/* This header is required to define the types used by some of the
+   mingw-w64 based files in the math subdir. */
+
+typedef union __mingw_dbl_type_t {
+  double x;
+  unsigned long long val;
+  struct {
+    unsigned int low, high;
+  } lh;
+} __mingw_dbl_type_t;
+
+typedef union __mingw_flt_type_t {
+  float x;
+  unsigned int val;
+} __mingw_flt_type_t;
+
+typedef union __mingw_ldbl_type_t
+{
+  long double x;
+  struct {
+    unsigned int low, high;
+    int sign_exponent : 16;
+    int res1 : 16;
+    int res0 : 32;
+  } lh;
+} __mingw_ldbl_type_t;
+
+typedef union __mingw_fp_types_t
+{
+  long double *ld;
+  double *d;
+  float *f;
+  __mingw_ldbl_type_t *ldt;
+  __mingw_dbl_type_t *dt;
+  __mingw_flt_type_t *ft;
+} __mingw_fp_types_t;
+
+#include_next <math.h>
+
+#endif /* _LOCAL_MATH_H_ */