Added copysign(x, y) function to the math module
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 7540b5d..2c6262d 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -133,6 +133,14 @@
"cos(x)\n\nReturn the cosine of x (measured in radians).")
FUNC1(cosh, cosh,
"cosh(x)\n\nReturn the hyperbolic cosine of x.")
+#if defined(MS_WINDOWS) || defined(HAVE_COPYSIGN)
+#ifdef MS_WINDOWS
+FUNC2(copysign, _copysign,
+#else
+FUNC2(copysign, copysign,
+#endif
+ "copysign(x,y)\n\nReturn x with the sign of y.");
+#endif
FUNC1(exp, exp,
"exp(x)\n\nReturn e raised to the power of x.")
FUNC1(fabs, fabs,
@@ -375,6 +383,9 @@
{"atan", math_atan, METH_O, math_atan_doc},
{"atan2", math_atan2, METH_VARARGS, math_atan2_doc},
{"ceil", math_ceil, METH_O, math_ceil_doc},
+#if defined(MS_WINDOWS) || defined(HAVE_COPYSIGN)
+ {"copysign", math_copysign, METH_VARARGS, math_copysign_doc},
+#endif
{"cos", math_cos, METH_O, math_cos_doc},
{"cosh", math_cosh, METH_O, math_cosh_doc},
{"degrees", math_degrees, METH_O, math_degrees_doc},