diff options
Diffstat (limited to 'src/algebra/sf.spad.pamphlet')
| -rw-r--r-- | src/algebra/sf.spad.pamphlet | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/algebra/sf.spad.pamphlet b/src/algebra/sf.spad.pamphlet index 745dc254..b78d9bdb 100644 --- a/src/algebra/sf.spad.pamphlet +++ b/src/algebra/sf.spad.pamphlet @@ -475,10 +475,12 @@ DoubleFloat(): Join(FloatingPointSystem, DifferentialRing, OpenMath, manexp(x) == zero? x => [0,0] - s := sign x; x := abs x - if x > max()$% then return [s*mantissa(max())+1,exponent max()] - me:Record(man:%,exp:Integer) := MANEXP(x)$Lisp - two53:= base()**precision() + s := sign x + x := abs x + if x > max()$% then + return [s*mantissa(max())+1,exponent max()] + me: Record(man:%,exp:Integer) := MANEXP(x)$Lisp + two53 := base()**precision() [s*wholePart(two53 * me.man ),me.exp-precision()] -- rationalApproximation(y,d,b) == |