Changeset 84

Timestamp:

08/01/06 02:35:00 (2 years ago)

Author:

Don Clugston

Message:

Added nextup(), nextdown() functions from IEEE 754R.

Files:

• trunk/mathextra/RealAnalysis.d (modified) (2 diffs)
• trunk/mathextra/ieee.d (added)
• trunk/test.d (modified) (1 diff)

trunk/mathextra/RealAnalysis.d

@@ -154 +154 @@
-
-unittest {
+    int numCalls;
-    real cubicfn (real x) {
+       ++numCalls;
+       if (x>float.max) x = float.max;
+       if (x<-double.max) x = -double.max;
-       return 0.386*x*x*x + 23*x*x + 15.7*x + 525.2;
-    }
-
-    void testbrent(real delegate(real) f, real x1, real x2) {
-        real result = findRoot(f, x1, x2);
@@ -175 +178 @@
-    testbrent( (real x) { return sin(x); }, 6, 90);
-    testbrent(&cubicfn, -100, 100);
-
-
-
+
+
+
+
+
-}
-

trunk/test.d

@@ -17 +17 @@
-import mathextra.mathutil;
-import mathextra.leastsqr;
+import mathextra.ieee;
-
-import std.stdio;