* Fixed a bug in (fl/ x) not inverting its argument.

benchmarks/BUGS

@@ -62,3 +62,25 @@ AFTER $fl+, $fl-, $fl*, $fl/:
       1890 ms elapsed real time
       1600164776 bytes allocated
   
+AFTER $fl=, $fl<, $fl<=, $fl>, $fl>=
+  running stats for fibfp:
+      343 collections
+      1984 ms elapsed cpu time
+      1999 ms elapsed real time
+      1433318512 bytes allocated
+  running stats for mbrot:
+      530 collections
+      1856 ms elapsed cpu time
+      1872 ms elapsed real time
+      2215766432 bytes allocated
+  running stats for pnpoly:
+      81 collections
+      1404 ms elapsed cpu time
+      1413 ms elapsed real time
+      335204824 bytes allocated
+  running stats for sumfp:
+      382 collections
+      1496 ms elapsed cpu time
+      1506 ms elapsed real time
+      1600164816 bytes allocated
+  

benchmarks/bench.ss

@@ -1,11 +1,14 @@
 #!/usr/bin/env ikarus --r6rs-script
 
-(import
+(import (ikarus))
-  (ikarus)
-  #;(r6rs-benchmarks))
 
 (define (run name)
-  (eval '(main) (environment (list 'r6rs-benchmarks name))))
+  (let ([proc (time-it (format "compile-~a" name) 
+                (lambda ()
+                  (eval 'main 
+                    (environment
+                      (list 'r6rs-benchmarks name)))))])
+    (proc)))
 
 (apply 
   (case-lambda

benchmarks/r6rs-benchmarks.ss

@@ -42,6 +42,7 @@
      puzzle-iters
      quicksort-iters
      sboyer-iters
+     simplex-iters
      sum-iters
      sum1-iters
      string-iters

benchmarks/r6rs-benchmarks/simplex.ss

@@ -165,7 +165,7 @@
          (let loop ()
           (simp1 0 #f)
           (cond
-           ((f(run))lpositive? bmax)
+           ((flpositive? bmax)
             (simp2)
             (cond ((zero? ip) #t)
                   (else (simp3 #f)

benchmarks/r6rs-benchmarks/sum1.ss

@@ -16,7 +16,7 @@
     (sumport port 0.0))
   
   (define (go)
-    (set! inport (open-input-file "r6rs-benchmarks/rn100"))
+    (set! inport (open-input-file "rn100"))
     (let ((result (sum inport)))
       (close-input-port inport)
       result))

src/ikarus.numerics.ss

@@ -8,12 +8,12 @@
 (library (ikarus flonums)
   (export $flonum->exact $flonum-signed-biased-exponent flonum-parts
           inexact->exact $flonum-rational? $flonum-integer? $flzero?
-          $flnegative?)
+          $flnegative? flpositive? flabs)
   (import 
     (ikarus system $bytevectors)
     (except (ikarus system $flonums) $flonum-signed-biased-exponent
             $flonum-rational? $flonum-integer?)
-    (except (ikarus) inexact->exact))
+    (except (ikarus) inexact->exact flpositive? flabs))
   
   (define (flonum-bytes f)
     (unless (flonum? f) 
@@ -108,7 +108,18 @@
       [(or (fixnum? x) (ratnum? x) (bignum? x)) x]
       [else
        (error 'inexact->exact "~s is not an inexact number" x)]))
+
+  (define (flpositive? x)
+    (if (flonum? x) 
+        ($fl> x 0.0)
+        (error 'flpositive? "~s is not a flonum" x)))
   
+  (define (flabs x)
+    (if (flonum? x) 
+        (if (flnegative? x) 
+            (fl* x -1.0)
+            x)
+        (error 'flabs "~s is not a flonum" x)))
   )
 
 
@@ -1317,7 +1328,7 @@
              (f (fl/ ac (car rest)) (cdr rest))))]
       [(x) 
        (if (flonum? x) 
-           x
+           (fl/ 1.0 x)
            (error 'fl/ "~s is not a flonum" x))])) 
 
   (flcmp flfl= flfx= fxfl= flbn= bnfl= $fl=)

src/makefile.ss

@@ -381,6 +381,8 @@
     [flsqrt                  i rfl]
     [flzero?                 i rfl]
     [flnegative?             i rfl]
+    [flpositive?             i rfl]
+    [flabs                   i rfl]
     [fixnum->string          i]
     [string->flonum          i]
     [-                       i r]