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old/9apr26_prerefactor/include/amsculib2/amscumath.hpp

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+#ifndef __AMSCUMATH_HPP__
+#define __AMSCUMATH_HPP__
+
+namespace amscuda
+{
+
+
+
+    //Problem: These are not in the namespace
+    //#define nan NAN
+    //#define fnan (float) NAN
+    //#define inf INFINITY
+    //#define finf (float) INFINITY
+    //#define pi 3.1415926535897936
+
+    //These need to be the same symbol for both host and device code
+    AMSCU_CONST static const double nan = NAN;
+    AMSCU_CONST static const float fnan = (float) NAN;
+    AMSCU_CONST static const double inf = INFINITY;
+    AMSCU_CONST static const float finf = (float) INFINITY;
+    AMSCU_CONST static const double pi = 3.1415926535897936;
+    AMSCU_CONST static const float pif = 3.1415926535897936;
+
+    __host__ __device__ double dabs(double x);
+    __host__ __device__ float fabs(float x);
+    
+    template<typename T> __host__ __device__ T abs(const T in)
+    {
+        T ret = in;
+        if(in<0) ret = -in;
+        return ret;
+    }
+
+    __host__ __device__ double mod(double a, double md);
+    __host__ __device__ float mod(float a, float md);
+    __host__ __device__ int mod(int x, int n);
+    __host__ __device__ long mod(long x, long n);
+
+    __host__ __device__ int truediv(int x, int y);
+    __host__ __device__ long truediv(long x, long y);
+
+    template<typename T> __host__ __device__ T min(T a, T b);
+    template<typename T> __host__ __device__ T max(T a, T b);
+
+    __device__ __host__ double arg(double x, double y);
+    __device__ __host__ void get_azel(double x, double y, double z, double *az, double *el);
+
+    void test_amscumath1();
+
+
+}; //end namespace amscuda
+
+#include <amsculib2/amscumath_impl.hpp>
+
+#endif
+