Gabriele Cosmo
41 lines
1006 B
Plaintext
41 lines
1006 B
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_mathd
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#define tools_mathd
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namespace tools {
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//have : static const pi = 3.1415926535897931160E0; ???
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//HEALPix lsconstants.h. Quite not the same as us.
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//const double pi=3.141592653589793238462643383279502884197;
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//const double twopi=6.283185307179586476925286766559005768394;
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//const double fourpi=12.56637061435917295385057353311801153679;
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//const double halfpi=1.570796326794896619231321691639751442099;
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inline double pi() {return 3.1415926535897931160E0;}
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inline double two_pi() {return 6.2831853071795862320E0;}
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inline double half_pi() {return 1.5707963267948965580E0;}
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inline double deg2rad() {
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static const double s_v = pi()/180.0;
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return s_v;
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}
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inline double rad2deg() {
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static const double s_v = 180.0/pi();
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return s_v;
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}
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}
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#include <cmath>
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namespace tools {
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inline double dfabs(const double& a_x) {return ::fabs(a_x);} //if passing a_fabs(const T&).
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}
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#endif
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