From 759071327034770c54833a2aa5896ec4e95c8e18 Mon Sep 17 00:00:00 2001
From: Mike Bostock <mbostock@gmail.com>
Date: Mon, 1 Aug 2011 11:16:38 -0700
Subject: [PATCH 1/2] Fix #66 - setting domain recomputes range.

---
 Makefile                    |  6 ++-
 d3.js                       | 50 +++++++++++++----------
 d3.min.js                   |  4 +-
 src/core/noop.js            |  1 +
 src/scale/ordinal.js        | 49 +++++++++++++----------
 test/scale/test-ordinal.js  | 79 +++++++++++++++++++++++++++++++++++++
 test/scale/test-ordinal.out | 61 ++++++++++++++++++++++++++++
 7 files changed, 206 insertions(+), 44 deletions(-)
 create mode 100644 src/core/noop.js
 create mode 100644 test/scale/test-ordinal.js
 create mode 100644 test/scale/test-ordinal.out

diff --git a/Makefile b/Makefile
index 84280b0eea144..da2f3fc66f8aa 100644
--- a/Makefile
+++ b/Makefile
@@ -71,7 +71,8 @@ d3.core.js: \
 	src/core/hsl.js \
 	src/core/selection.js \
 	src/core/transition.js \
-	src/core/timer.js
+	src/core/timer.js \
+	src/core/noop.js
 
 d3.scale.js: \
 	src/scale/scale.js \
@@ -229,7 +230,8 @@ test/scale: \
 	test/scale/test-polylinear.test \
 	test/scale/test-pow.test \
 	test/scale/test-quantile.test \
-	test/scale/test-sqrt.test
+	test/scale/test-sqrt.test \
+	test/scale/test-ordinal.test
 
 test/svg: \
 	test/svg/test-arc.test \
diff --git a/d3.js b/d3.js
index 7be1c05a9d131..4485257e452c9 100644
--- a/d3.js
+++ b/d3.js
@@ -2178,6 +2178,7 @@ var d3_timer_frame = window.requestAnimationFrame
     || window.oRequestAnimationFrame
     || window.msRequestAnimationFrame
     || function(callback) { setTimeout(callback, 17); };
+function d3_noop() {}
 d3.scale = {};
 
 function d3_scaleExtent(domain) {
@@ -2476,7 +2477,8 @@ d3.scale.ordinal = function() {
   var domain = [],
       index = {},
       range = [],
-      rangeBand = 0;
+      rangeBand = 0,
+      rerange = d3_noop;
 
   function scale(x) {
     var i = x in index ? index[x] : (index[x] = domain.push(x) - 1);
@@ -2491,46 +2493,54 @@ d3.scale.ordinal = function() {
       x = domain[i];
       if (!(x in index)) index[x] = ++j;
     }
+    rerange();
     return scale;
   };
 
   scale.range = function(x) {
     if (!arguments.length) return range;
     range = x;
+    rerange = d3_noop;
     return scale;
   };
 
   scale.rangePoints = function(x, padding) {
     if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        step = (stop - start) / (domain.length - 1 + padding);
-    range = domain.length == 1
-        ? [(start + stop) / 2]
-        : d3.range(start + step * padding / 2, stop + step / 2, step);
-    rangeBand = 0;
+    (rerange = function() {
+      var start = x[0],
+          stop = x[1],
+          step = (stop - start) / (domain.length - 1 + padding);
+      range = domain.length == 1
+          ? [(start + stop) / 2]
+          : d3.range(start + step * padding / 2, stop + step / 2, step);
+      rangeBand = 0;
+    })();
     return scale;
   };
 
   scale.rangeBands = function(x, padding) {
     if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        step = (stop - start) / (domain.length + padding);
-    range = d3.range(start + step * padding, stop, step);
-    rangeBand = step * (1 - padding);
+    (rerange = function() {
+      var start = x[0],
+          stop = x[1],
+          step = (stop - start) / (domain.length + padding);
+      range = d3.range(start + step * padding, stop, step);
+      rangeBand = step * (1 - padding);
+    })();
     return scale;
   };
 
   scale.rangeRoundBands = function(x, padding) {
     if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        diff = stop - start,
-        step = Math.floor(diff / (domain.length + padding)),
-        err = diff - (domain.length - padding) * step;
-    range = d3.range(start + Math.round(err / 2), stop, step);
-    rangeBand = Math.round(step * (1 - padding));
+    (rerange = function() {
+      var start = x[0],
+          stop = x[1],
+          diff = stop - start,
+          step = Math.floor(diff / (domain.length + padding)),
+          err = diff - (domain.length - padding) * step;
+      range = d3.range(start + Math.round(err / 2), stop, step);
+      rangeBand = Math.round(step * (1 - padding));
+    })();
     return scale;
   };
 
diff --git a/d3.min.js b/d3.min.js
index 14a5ba2fd65bf..e5f599e090cc7 100644
--- a/d3.min.js
+++ b/d3.min.js
@@ -1,2 +1,2 @@
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d};return d},d3.svg.diagonal.radial=function(){var a=d3.svg.diagonal(),b=cp,c=a.projection;a.projection=function(a){return arguments.length?c(cq(b=a)):b};return a},d3.svg.mouse=function(a){return cs(a,d3.event)};var cr=/WebKit/.test(navigator.userAgent)?-1:0;d3.svg.touches=function(b){var c=d3.event.touches;return c?a(c).map(function(a){var c=cs(b,a);c.identifier=a.identifier;return c}):[]},d3.svg.symbol=function(){function c(c,d){return(cv[a.call(this,c,d)]||cv.circle)(b.call(this,c,d))}var a=cu,b=ct;c.type=function(b){if(!arguments.length)return a;a=d3.functor(b);return c},c.size=function(a){if(!arguments.length)return b;b=d3.functor(a);return c};return c};var cv={circle:function(a){var b=Math.sqrt(a/Math.PI);return"M0,"+b+"A"+b+","+b+" 0 1,1 0,"+ -b+"A"+b+","+b+" 0 1,1 0,"+b+"Z"},cross:function(a){var b=Math.sqrt(a/5)/2;return"M"+ -3*b+","+ -b+"H"+ -b+"V"+ -3*b+"H"+b+"V"+ -b+"H"+3*b+"V"+b+"H"+b+"V"+3*b+"H"+ -b+"V"+b+"H"+ -3*b+"Z"},diamond:function(a){var b=Math.sqrt(a/(2*cx)),c=b*cx;return"M0,"+ -b+"L"+c+",0"+" 0,"+b+" "+ -c+",0"+"Z"},square:function(a){var b=Math.sqrt(a)/2;return"M"+ -b+","+ -b+"L"+b+","+ -b+" "+b+","+b+" "+ -b+","+b+"Z"},"triangle-down":function(a){var b=Math.sqrt(a/cw),c=b*cw/2;return"M0,"+c+"L"+b+","+ -c+" "+ -b+","+ -c+"Z"},"triangle-up":function(a){var b=Math.sqrt(a/cw),c=b*cw/2;return"M0,"+ -c+"L"+b+","+c+" "+ -b+","+c+"Z"}};d3.svg.symbolTypes=d3.keys(cv);var cw=Math.sqrt(3),cx=Math.tan(30*Math.PI/180)})()
\ No newline at end of file
diff --git a/src/core/noop.js b/src/core/noop.js
new file mode 100644
index 0000000000000..35f91d114d1b3
--- /dev/null
+++ b/src/core/noop.js
@@ -0,0 +1 @@
+function d3_noop() {}
diff --git a/src/scale/ordinal.js b/src/scale/ordinal.js
index 8bd155665c430..5f2090470fccd 100644
--- a/src/scale/ordinal.js
+++ b/src/scale/ordinal.js
@@ -2,7 +2,8 @@ d3.scale.ordinal = function() {
   var domain = [],
       index = {},
       range = [],
-      rangeBand = 0;
+      rangeBand = 0,
+      rerange = d3_noop;
 
   function scale(x) {
     var i = x in index ? index[x] : (index[x] = domain.push(x) - 1);
@@ -17,46 +18,54 @@ d3.scale.ordinal = function() {
       x = domain[i];
       if (!(x in index)) index[x] = ++j;
     }
+    rerange();
     return scale;
   };
 
   scale.range = function(x) {
     if (!arguments.length) return range;
     range = x;
+    rerange = d3_noop;
     return scale;
   };
 
   scale.rangePoints = function(x, padding) {
     if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        step = (stop - start) / (domain.length - 1 + padding);
-    range = domain.length == 1
-        ? [(start + stop) / 2]
-        : d3.range(start + step * padding / 2, stop + step / 2, step);
-    rangeBand = 0;
+    (rerange = function() {
+      var start = x[0],
+          stop = x[1],
+          step = (stop - start) / (domain.length - 1 + padding);
+      range = domain.length == 1
+          ? [(start + stop) / 2]
+          : d3.range(start + step * padding / 2, stop + step / 2, step);
+      rangeBand = 0;
+    })();
     return scale;
   };
 
   scale.rangeBands = function(x, padding) {
     if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        step = (stop - start) / (domain.length + padding);
-    range = d3.range(start + step * padding, stop, step);
-    rangeBand = step * (1 - padding);
+    (rerange = function() {
+      var start = x[0],
+          stop = x[1],
+          step = (stop - start) / (domain.length + padding);
+      range = d3.range(start + step * padding, stop, step);
+      rangeBand = step * (1 - padding);
+    })();
     return scale;
   };
 
   scale.rangeRoundBands = function(x, padding) {
     if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        diff = stop - start,
-        step = Math.floor(diff / (domain.length + padding)),
-        err = diff - (domain.length - padding) * step;
-    range = d3.range(start + Math.round(err / 2), stop, step);
-    rangeBand = Math.round(step * (1 - padding));
+    (rerange = function() {
+      var start = x[0],
+          stop = x[1],
+          diff = stop - start,
+          step = Math.floor(diff / (domain.length + padding)),
+          err = diff - (domain.length - padding) * step;
+      range = d3.range(start + Math.round(err / 2), stop, step);
+      rangeBand = Math.round(step * (1 - padding));
+    })();
     return scale;
   };
 
diff --git a/test/scale/test-ordinal.js b/test/scale/test-ordinal.js
new file mode 100644
index 0000000000000..9c5fc080fd394
--- /dev/null
+++ b/test/scale/test-ordinal.js
@@ -0,0 +1,79 @@
+require("./../../lib/env-js/envjs/node");
+require("./../../d3");
+
+var x = d3.scale.ordinal().range(["a", "b", "c"]);
+console.log("range([a, b, c]):");
+console.log("  0 -> " + x(0));
+console.log("  1 -> " + x(1));
+console.log("  2 -> " + x(2));
+console.log("  3 -> " + x(3));
+console.log("  4 -> " + x(4));
+console.log("  5 -> " + x(5));
+console.log("  6 -> " + x(6));
+console.log("  0 -> " + x(0));
+console.log("  1 -> " + x(1));
+console.log("  2 -> " + x(2));
+console.log("  3 -> " + x(3));
+console.log("");
+
+x.domain([]);
+console.log("domain([]).range([a, b, c]):");
+console.log("  1 -> " + x(1));
+console.log("  2 -> " + x(2));
+console.log("  3 -> " + x(3));
+console.log("  0 -> " + x(0));
+console.log("  1 -> " + x(1));
+console.log("  2 -> " + x(2));
+console.log("");
+
+var x = d3.scale.ordinal().domain(["a", "b", "c"]).rangePoints([0, 120]);
+console.log("domain([a, b, c]).rangePoints([0, 120]):");
+console.log("  a -> " + x("a"));
+console.log("  b -> " + x("b"));
+console.log("  c -> " + x("c"));
+console.log("  d -> " + x("d"));
+console.log("");
+
+var x = d3.scale.ordinal().rangePoints([0, 120]).domain(["a", "b", "c"]);
+console.log("rangePoints([0, 120]).domain([a, b, c]):");
+console.log("  a -> " + x("a"));
+console.log("  b -> " + x("b"));
+console.log("  c -> " + x("c"));
+console.log("  d -> " + x("d"));
+console.log("");
+
+var x = d3.scale.ordinal().domain(["a", "b", "c"]).rangeBands([0, 120]);
+console.log("domain([a, b, c]).rangeBands([0, 120]):");
+console.log("  rangeBand: " + x.rangeBand());
+console.log("  a -> " + x("a"));
+console.log("  b -> " + x("b"));
+console.log("  c -> " + x("c"));
+console.log("  d -> " + x("d"));
+console.log("");
+
+var x = d3.scale.ordinal().rangeBands([0, 120]).domain(["a", "b", "c"]);
+console.log("rangeBands([0, 120]).domain([a, b, c]):");
+console.log("  rangeBand: " + x.rangeBand());
+console.log("  a -> " + x("a"));
+console.log("  b -> " + x("b"));
+console.log("  c -> " + x("c"));
+console.log("  d -> " + x("d"));
+console.log("");
+
+var x = d3.scale.ordinal().domain(["a", "b", "c"]).rangeRoundBands([0, 119]);
+console.log("domain([a, b, c]).rangeRoundBands([0, 119]):");
+console.log("  rangeBand: " + x.rangeBand());
+console.log("  a -> " + x("a"));
+console.log("  b -> " + x("b"));
+console.log("  c -> " + x("c"));
+console.log("  d -> " + x("d"));
+console.log("");
+
+var x = d3.scale.ordinal().rangeRoundBands([0, 119]).domain(["a", "b", "c"]);
+console.log("rangeRoundBands([0, 119]).domain([a, b, c]):");
+console.log("  rangeBand: " + x.rangeBand());
+console.log("  a -> " + x("a"));
+console.log("  b -> " + x("b"));
+console.log("  c -> " + x("c"));
+console.log("  d -> " + x("d"));
+console.log("");
diff --git a/test/scale/test-ordinal.out b/test/scale/test-ordinal.out
new file mode 100644
index 0000000000000..68fc28cc33ab4
--- /dev/null
+++ b/test/scale/test-ordinal.out
@@ -0,0 +1,61 @@
+range([a, b, c]):
+  0 -> a
+  1 -> b
+  2 -> c
+  3 -> a
+  4 -> b
+  5 -> c
+  6 -> a
+  0 -> a
+  1 -> b
+  2 -> c
+  3 -> a
+
+domain([]).range([a, b, c]):
+  1 -> a
+  2 -> b
+  3 -> c
+  0 -> a
+  1 -> a
+  2 -> b
+
+domain([a, b, c]).rangePoints([0, 120]):
+  a -> 0
+  b -> 60
+  c -> 120
+  d -> 0
+
+rangePoints([0, 120]).domain([a, b, c]):
+  a -> 0
+  b -> 60
+  c -> 120
+  d -> 0
+
+domain([a, b, c]).rangeBands([0, 120]):
+  rangeBand: 40
+  a -> 0
+  b -> 40
+  c -> 80
+  d -> 0
+
+rangeBands([0, 120]).domain([a, b, c]):
+  rangeBand: 40
+  a -> 0
+  b -> 40
+  c -> 80
+  d -> 0
+
+domain([a, b, c]).rangeRoundBands([0, 119]):
+  rangeBand: 39
+  a -> 1
+  b -> 40
+  c -> 79
+  d -> 118
+
+rangeRoundBands([0, 119]).domain([a, b, c]):
+  rangeBand: 39
+  a -> 1
+  b -> 40
+  c -> 79
+  d -> 118
+

From 9cd6a46019e9eea5aca93e24365cd1efc699d27e Mon Sep 17 00:00:00 2001
From: Mike Bostock <mbostock@gmail.com>
Date: Mon, 1 Aug 2011 11:23:26 -0700
Subject: [PATCH 2/2] Fix #236 - scale.pow accepts negative values.

---
 d3.js                    | 15 ++++-----------
 d3.min.js                |  4 ++--
 src/scale/pow.js         | 15 ++++-----------
 test/scale/test-pow.out  |  6 +++---
 test/scale/test-sqrt.out |  4 ++--
 5 files changed, 15 insertions(+), 29 deletions(-)

diff --git a/d3.js b/d3.js
index 4485257e452c9..e8b80e2fe9426 100644
--- a/d3.js
+++ b/d3.js
@@ -2430,9 +2430,8 @@ d3.scale.pow = function() {
 
   scale.domain = function(x) {
     if (!arguments.length) return linear.domain().map(powb);
-    var pow = (x[0] || x[x.length - 1]) < 0 ? d3_scale_pown : d3_scale_pow;
-    powp = pow(exponent);
-    powb = pow(1 / exponent);
+    powp = d3_scale_powPow(exponent);
+    powb = d3_scale_powPow(1 / exponent);
     linear.domain(x.map(powp));
     return scale;
   };
@@ -2459,15 +2458,9 @@ d3.scale.pow = function() {
   return d3_scale_linearRebind(scale, linear);
 };
 
-function d3_scale_pow(e) {
+function d3_scale_powPow(e) {
   return function(x) {
-    return Math.pow(x, e);
-  };
-}
-
-function d3_scale_pown(e) {
-  return function(x) {
-    return -Math.pow(-x, e);
+    return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
   };
 }
 d3.scale.sqrt = function() {
diff --git a/d3.min.js b/d3.min.js
index e5f599e090cc7..1a38fb6b9aa9a 100644
--- a/d3.min.js
+++ b/d3.min.js
@@ -1,2 +1,2 @@
-(function(){function cu(){return"circle"}function ct(){return 64}function cs(a,b){var c=(a.ownerSVGElement||a).createSVGPoint();if(cr<0&&(window.scrollX||window.scrollY)){var d=d3.select(document.body).append("svg:svg").style("position","absolute").style("top",0).style("left",0),e=d[0][0].getScreenCTM();cr=!e.f&&!e.e,d.remove()}cr?(c.x=b.pageX,c.y=b.pageY):(c.x=b.clientX,c.y=b.clientY),c=c.matrixTransform(a.getScreenCTM().inverse());return[c.x,c.y]}function cq(a){return function(){var b=a.apply(this,arguments),c=b[0],d=b[1]+bC;return[c*Math.cos(d),c*Math.sin(d)]}}function cp(a){return[a.x,a.y]}function co(a){return a.endAngle}function cn(a){return a.startAngle}function cm(a){return a.radius}function cl(a){return a.target}function ck(a){return a.source}function cj(a){return function(b,c){return a[c][1]}}function ci(a){return function(b,c){return a[c][0]}}function ch(a){function i(f){if(f.length<1)return null;var 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diff --git a/src/scale/pow.js b/src/scale/pow.js
index 1bae19ce256cd..452364454e376 100644
--- a/src/scale/pow.js
+++ b/src/scale/pow.js
@@ -14,9 +14,8 @@ d3.scale.pow = function() {
 
   scale.domain = function(x) {
     if (!arguments.length) return linear.domain().map(powb);
-    var pow = (x[0] || x[x.length - 1]) < 0 ? d3_scale_pown : d3_scale_pow;
-    powp = pow(exponent);
-    powb = pow(1 / exponent);
+    powp = d3_scale_powPow(exponent);
+    powb = d3_scale_powPow(1 / exponent);
     linear.domain(x.map(powp));
     return scale;
   };
@@ -43,14 +42,8 @@ d3.scale.pow = function() {
   return d3_scale_linearRebind(scale, linear);
 };
 
-function d3_scale_pow(e) {
+function d3_scale_powPow(e) {
   return function(x) {
-    return Math.pow(x, e);
-  };
-}
-
-function d3_scale_pown(e) {
-  return function(x) {
-    return -Math.pow(-x, e);
+    return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
   };
 }
diff --git a/test/scale/test-pow.out b/test/scale/test-pow.out
index e80cb712a11b1..b9b926eebf314 100644
--- a/test/scale/test-pow.out
+++ b/test/scale/test-pow.out
@@ -1,5 +1,5 @@
 domain([0, 1]).range([0, 1]):
-         -0.5  ->   0.250
+         -0.5  ->  −0.250
           0.0  ->   0.000
           0.5  ->   0.250
           1.0  ->   1.000
@@ -21,14 +21,14 @@ domain([01/01/1990, 01/01/1991]).range([0, 1]):
    03/15/1991  ->   1.206
 
 domain([0, 1]).range(["red", "blue"]):
-         -0.5  ->  rgb(191,0,64)
+         -0.5  ->  rgb(319,0,-64)
           0.0  ->  rgb(255,0,0)
           0.5  ->  rgb(191,0,64)
           1.0  ->  rgb(0,0,255)
           1.5  ->  rgb(-319,0,574)
 
 domain([0, 1]).range(["red", "blue"]).interpolate(hsl):
-        -0.50  ->  #ffff00
+        -0.50  ->  #ff00ff
          0.00  ->  #ff0000
          0.50  ->  #ffff00
         √0.50  ->  #00ff00
diff --git a/test/scale/test-sqrt.out b/test/scale/test-sqrt.out
index 518782eb962e5..a4d93067235ad 100644
--- a/test/scale/test-sqrt.out
+++ b/test/scale/test-sqrt.out
@@ -1,5 +1,5 @@
 domain([0, 1]).range([0, 1]):
-        -0.50  ->   NaN
+        -0.50  ->  −0.707
          0.00  ->   0.000
          0.25  ->   0.500
          0.50  ->   0.707
@@ -7,7 +7,7 @@ domain([0, 1]).range([0, 1]):
          4.00  ->   2.000
 
 domain([0, -1]).range([0, 1]):
-         0.50  ->   NaN
+         0.50  ->  −0.707
          0.00  ->   0.000
         -0.25  ->   0.500
         -0.50  ->   0.707