diff -r 69c0aa8a8185 Modules/mathmodule.c
--- a/Modules/mathmodule.c	Thu Jun 09 16:30:29 2016 +0300
+++ b/Modules/mathmodule.c	Fri Jun 10 16:48:49 2016 -0400
@@ -1921,8 +1921,10 @@
 PyDoc_STRVAR(math_pow_doc,
 "pow(x, y)\n\nReturn x**y (x to the power of y).");
 
-static const double degToRad = Py_MATH_PI / 180.0;
-static const double radToDeg = 180.0 / Py_MATH_PI;
+/* Py_MATH_PI / 180.0 and vice versa precomputed
+    to permit compiling with /fp:strict with MSVC */
+static const double degToRad = 1.74532925199432957692e-2;
+static const double radToDeg = 57.2957795130823208768;
 
 static PyObject *
 math_degrees(PyObject *self, PyObject *arg)

diff -r 69c0aa8a8185 Python/dtoa.c
--- a/Python/dtoa.c	Thu Jun 09 16:30:29 2016 +0300
+++ b/Python/dtoa.c	Fri Jun 10 16:48:49 2016 -0400
@@ -1213,11 +1213,13 @@
 static const double
 bigtens[] = { 1e16, 1e32, 1e64, 1e128, 1e256 };
 static const double tinytens[] = { 1e-16, 1e-32, 1e-64, 1e-128,
-                                   9007199254740992.*9007199254740992.e-256
+                                   8.112963841460668e-225
                                    /* = 2^106 * 1e-256 */
 };
 /* The factor of 2^53 in tinytens[4] helps us avoid setting the underflow */
 /* flag unnecessarily.  It leads to a song and dance at the end of strtod. */
+/* The constant was further simplified to enable compiling with //fp:strict */
+/* with MSVC. */
 #define Scale_Bit 0x10
 #define n_bigtens 5