mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-21 05:00:16 +00:00
40 lines
818 B
Diff
40 lines
818 B
Diff
--- a/lib/JAMA/tnt_math_utils.h 2006-06-17 01:46:22.000000000 +0300
|
|
+++ b/lib/JAMA/tnt_math_utils.h 2006-06-17 01:47:02.000000000 +0300
|
|
@@ -20,11 +20,20 @@
|
|
namespace TNT
|
|
{
|
|
/**
|
|
+ @returns the absolute value of a real (no-complex) scalar.
|
|
+*/
|
|
+template <class Real>
|
|
+Real abs(const Real &a)
|
|
+{
|
|
+ return (a > 0 ? a : -a);
|
|
+}
|
|
+/**
|
|
@returns hypotenuse of real (non-complex) scalars a and b by
|
|
avoiding underflow/overflow
|
|
using (a * sqrt( 1 + (b/a) * (b/a))), rather than
|
|
sqrt(a*a + b*b).
|
|
*/
|
|
+
|
|
template <class Real>
|
|
Real hypot(const Real &a, const Real &b)
|
|
{
|
|
@@ -56,15 +65,6 @@
|
|
}
|
|
*/
|
|
|
|
-/**
|
|
- @returns the absolute value of a real (no-complex) scalar.
|
|
-*/
|
|
-template <class Real>
|
|
-Real abs(const Real &a)
|
|
-{
|
|
- return (a > 0 ? a : -a);
|
|
-}
|
|
-
|
|
}
|
|
#endif
|
|
/* MATH_UTILS_H */
|