Changeset 42823

Timestamp:

May 8, 2025, 4:45:44 PM (12 months ago)

Author:

eugene

Message:

edited comments

Location:

trunk/psLib/src/math

Files:

• psSpline.c (modified) (1 diff)
• psSpline.h (modified) (1 diff)

trunk/psLib/src/math/psSpline.c

@@ -194 +194 @@
  *****************************************************************************/
 psSpline1D *psSpline1DFitVector(
-    const psVector* x,                  ///< Ordinates.
-    const psVector* y,                  ///< Coordinates.
-    psF32 dyLower,                      ///< 1st derivative at lower bound
-    psF32 dyUpper)                      ///< 1st derivative at upper bound
+    const psVector* x,        ///< Ordinates.
+    const psVector* y,        ///< Coordinates.
+    psF32 dyLower,            ///< if not NAN, lower-bound 1st derivative is defined
+    psF32 dyUpper)            ///< if not NAN, lower-bound 1st derivative is defined
 {
     psTrace("psLib.math", 3, "---- %s() begin ----\n", __func__);

trunk/psLib/src/math/psSpline.h

@@ -36 +36 @@
 {
     unsigned int n;    ///< The number of knots
-    psF32 *xKnots; ///< x-coordinate of the knots
-    psF32 *yKnots; ///< y-coordinate of the knots
-    psF32 *d2yKnots; ///< 2nd derivative of y at the knots
-    bool equalSpacing; // if knots are equally spaced, the seqment choice can be optimized
-    psF32 xMin; // for equally-spaced knots, the value at the lower bound (xKnots[0])
-    psF32 xMax; // for equally-spaced knots, the value at the upper bound (xKnots[n])
-    psF32 xDel; // for equally-spaced knots, the spacing (xKnots[n] - xKnots[0])/n
+    psF32 *xKnots;     ///< x-coordinate of the knots
+    psF32 *yKnots;     ///< y-coordinate of the knots
+    psF32 *d2yKnots;   ///< 2nd derivative of y at the knots
+    bool equalSpacing; ///< if knots are equally spaced, the seqment choice can be optimized
+    psF32 xMin;        ///< for equally-spaced knots, the value at the lower bound (xKnots[0])
+    psF32 xMax;        ///< for equally-spaced knots, the value at the upper bound (xKnots[n])
+    psF32 xDel;        ///< for equally-spaced knots, the spacing (xKnots[n] - xKnots[0])/n
 }
 psSpline1D;