--- /dev/null
+cdef extern from "math.h":
+
+ enum: M_E
+ enum: M_LOG2E
+ enum: M_LOG10E
+ enum: M_LN2
+ enum: M_LN10
+ enum: M_PI
+ enum: M_PI_2
+ enum: M_PI_4
+ enum: M_1_PI
+ enum: M_2_PI
+ enum: M_2_SQRTPI
+ enum: M_SQRT2
+ enum: M_SQRT1_2
+
+ double acos(double x)
+ double asin(double x)
+ double atan(double x)
+ double atan2(double y, double x)
+ double cos(double x)
+ double sin(double x)
+ double tan(double x)
+
+ double cosh(double x)
+ double sinh(double x)
+ double tanh(double x)
+ double acosh(double x)
+ double asinh(double x)
+ double atanh(double x)
+
+ double exp(double x)
+ double log(double x)
+ double log10(double x)
+
+ double pow(double x, double y)
+ double sqrt(double x)
--- /dev/null
+from libc.math cimport (M_E, M_LOG2E, M_LOG10E, M_LN2, M_LN10, M_PI, M_PI_2,
+ M_PI_4, M_1_PI, M_2_PI, M_2_SQRTPI, M_SQRT2, M_SQRT1_2)
+from libc.math cimport (acos, asin, atan, atan2, cos, sin, tan, cosh, sinh,
+ tanh, acosh, asinh, atanh, exp, log, log10, pow, sqrt)