s2let_math.h

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// S2LET package
// Copyright (C) 2012
// Boris Leistedt & Jason McEwen
 
#ifndef S2LET_MATH
#define S2LET_MATH
#include <ssht/ssht.h>
 
#define PI 3.141592653589793238462643383279502884197
 
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define ABS(a) ((a) > (0.0) ? (a) : (-(a)))
 
#ifdef __cplusplus
extern "C" {
#endif
 
double s2let_math_kappa0_quadtrap_s2dw(double a, double b, int n, double B);
 
double s2let_math_kappa0_quadtrap_needlet(double a, double b, int n);
 
double s2let_math_spline_scalingfct(double x, double y);
 
double ran2_dp(int idum);
 
double maxerr_cplx(S2LET_COMPLEX(double) * a, S2LET_COMPLEX(double) * b, int size);
 
double maxerr(double* a, double* b, int size);
 
unsigned long binomial_coefficient(int n, int k, int exact);
 
#ifdef __cplusplus
}
#endif
 
#endif