100% done with CHANGELOG first pass. Have second pass and general cleanup to do. #20

Author: Trevor Black

CHANGELOG.md

@@ -5,23 +5,26 @@ v2.0.0 (In Progress)
 ---------------------
 Common
 - Add: Created single monolithic raytracing.github.io repo
-- Change: Deprecated existing _InOneWeekend_, _TheNextWeek_, _TheRestOfYourLife_ repos
+- Delete: Deprecated existing _InOneWeekend_, _TheNextWeek_, _TheRestOfYourLife_ repos
 - Change: Moved existing _InOneWeekend_, _TheNextWeek_, _TheRestOfYourLife_ content to io repo
 - Add: CHANGELOG.md
 - Add: CONTRIBUTING.md
 - Add: COPYING.txt
 - Add: README.md
 - Change: License change to CC0 in COPYING.txt
-- Add: Markdeep documents created for all three 
-- Change: Replaced drand48() with portable random number generation
 - Add: raytracing.github.io links to all the three books
 - Change: Web links have been changed to new locations
 - Add: Links to Kindle version of the books
-- Add: Syntax coloring for highlighting of text in source blocks
-- Add: CSS for images
 - Add: CSS for body of the text
+- Add: CSS for images
 - Add: CSS for code blocks
-- Add: CSS for the Print variant of the books
+- Add: CSS for highlighting of text in code blocks
+- Add: CSS for Table of Contents
+- Add: CSS for the print variant of the books
+- Change: All instances of `hitable` have become `hittable`
+- Change: Replaced `drand48()` with portable `random_double` number generation
+- Change: Rewrote vec3.h `cross` function for clarity
+
 
 _Ray Tracing In One Weekend_
 - Add: README.md
@@ -34,24 +37,26 @@ _Ray Tracing In One Weekend_
 - Change: Text, Chapter 2, Consistent use of spaces in code blocks
 - Change: Text, Chapter 2, Reordered `vec3` class functions to + - * /
 - Change: Text, Chapter 2, unbolded unit_vector
+- Fix: Text, Chapter 3, Remove `*world` and `depth` parameters from `color` function signature
 - Change: Text, Chapter 3, Reorder include files in code blocks to match src conventions
-- Change: Text, Chapter 3, Remove `*world` and `depth` parameters from `color` function signature
 - Change: Text, Chapter 5, Reorder include files in code blocks to match src conventions
 - Change: Text, Chapter 5, Consistent use of spaces in code blocks
 - Change: Text, Chapter 5, Put `hit_record` and `{` on the same line
+- Fix: Text, Chapter 6, Add `#include "random.h"` in code blocks
 - Change: Text, Chapter 6, Consistent use of spaces in code blocks
-- Change: Text, Chapter 6, Add `#include "random.h"` in code blocks
-- Change: Text, Chapter 7, Remove `depth` parameter from `color` function signature
+- Fix: Text, Chapter 7, Remove `depth` parameter from `color` function signature
 - Change: Text, Chapter 8, Consistent use of spaces in code blocks
 - Change: Text, Chapter 8, Put function signatures and `{` on the same line
+- Fix: Text, Chapter 9, Added metal fuzziness parameter for initial dielectric
 - Change: Text, Chapter 9, Consistent use of spaces in code blocks
 - Change: Text, Chapter 9, Put function signatures and `{` on the same line
-- Change: Text, Chapter 9, Changed contents of `List[0]` to match original text
 - Change: Text, Chapter 10, Consistent use of spaces in code blocks
 - Change: Text, Chapter 10, Add curly braces for `if (refract)` statement
-- Change: Text, Chapter 10, Remove `0.0` from metal instantiation
-- Change: Text, Chapter 11, Change `lookatfrom` to `lookfrom`
+- Fix: Text, Chapter 10, Remove `0.0` from metal instantiation
+- Fix: Text, Chapter 11, Change `lookatfrom` to `lookfrom`
 - Change: Text, Chapter 12, Put function signatures and `{` on the same line
+- Delete: Code, `vec3 p = r.point_at_parameter(2.0);` in main.cc
+- Delete: Code, Removed extraneous `;` from `vec3::operator[]` signature
 
 
 _Ray Tracing: The Next Week_
@@ -60,19 +65,13 @@ _Ray Tracing: The Next Week_
 - Add: Markdeep page created for entire body of text
 - Add: Markdeep MathJax created for formulae and equations for body of text
 - Add: raytracing.github.io/books/RayTracingTheNextWeek.html
+- Add: Earth map picture for use in rendering
 - Change: Text, Syntax highlighting of source modifications
 - Change: Text, Chapter 2, Consistent use of spaces in code blocks
-- Change: Text, Chapter 2, Rewrote `Camera` constructors parameters to match _In One Weekend_
 - Change: Text, Chapter 3, Consistent use of spaces in code blocks
 - Change: Text, Chapter 4, Consistent use of spaces in code blocks
-- Change: Text, Chapter 4, Changed open brace to curly in `constant_texture` constructor
-- Change: Text, Chapter 4, Changed open brace to curly at `const (`
-- Change: Text, Chapter 4, Added `;` to `List[0]` and `List[1]`
 - Change: Text, Chapter 5, Consistent use of spaces in code blocks
 - Change: Text, Chapter 5, added "texture" to "We can use that texture on some spheres"
-- Change: Text, Chapter 5, Changed open brace to curly in `two_perlin_sphere` signature
-- Change: Text, Chapter 5, Changed `Z` to `2` in `trilinear_interp` signature
-- Change: Text, Chapter 5, Removed `;` from `pexm_z` index
 - Change: Text, Chapter 7, Consistent use of spaces in code blocks
 - Change: Text, Chapter 7, "This is yz and xz" changed to "This is xz and yz"
 - Change: Text, Chapter 7, Changed `cornell_box` hittable array size to 5
@@ -81,6 +80,10 @@ _Ray Tracing: The Next Week_
 - Change: Text, Chapter 10, Consistent use of spaces in code blocks
 - Change: Code and Text, Chapter 8, cleaned up implementation of `constant_medium::hit`
 - Change: Code and Text, Chapter 8, Rewrote debug functionality in `constant_medium::hit`
+- Fix: Text, Chapter 2, The `lambertian` class definition now uses `vec3` instead of `texture`s.
+- Fix: Code and Text, Chapter 2, Changed `List[0]` to `List[i]` in `hittable_list::bounding_box()`
+- Fix: Code and Text, Chapter 2, Replaced `fmax` and `fmin` with `ffmax` and `ffmin`
+- Fix: Code, Add missing headers to constant_medium.h to fix g++ compiler error
 
 
 _Ray Tracing: The Rest Of Your Life_
@@ -91,21 +94,16 @@ _Ray Tracing: The Rest Of Your Life_
 - Add: raytracing.github.io/books/RayTracingTheRestOfYourLife.html
 - Fix: Text, Chapter order starting from chapter 2
 - Fix: Text, Renamed figures and images to match new chapter numbering
-- Fix: Text, Chapter 2, The `lambertian` class definition now uses `vec3` instead of `texture`s.
 - Change: Text, Syntax highlighting of source modifications
 - Change: Text, Chapter 2, Reorder include files in code blocks to match src conventions
-- Change: Text, Chapter 2, Changed `i < NX` to `i < N`
 - Change: Text, Chapter 3, Reorder include files in code blocks to match src conventions
+- Fix: Text, Chapter 4, Rewrote formula for "Color" to "Color = A * color(direction"
 - Change: Text, Chapter 6, Consistent use of spaces in code blocks
-- Change: Text, Chapter 6, Remove `flip_normals` from code block
 - Change: Text, Chapter 6, Consistent use of spaces in code blocks
-- Change: Text, Chapter 6, Change `hrec` to `rec`
 - Change: Text, Chapter 8, Changed calculation of `a` axis to pseudocode
 - Change: Text, Chapter 8, Consistent use of spaces in code blocks
+- Fix: Code and Text, Chapter 6, `material::scattering_pdf` now returns type float
 - Fix: Code and Text, Chapter 6, removal of factor of 2 to `random_cosine_direction` calculation
-- Fix: Text, Chapter 4, Rewrote formula for "Color" to "Color = A * color(direction"
-
-
 
 
 v1.123.0  (2018-08-26)
@@ -127,11 +125,12 @@ _Ray Tracing: The Next Week_
 
 
 # TODO:
-- [ ] Go through closed (and open) issues
-- [ ] Go through repo contents
-- [ ] Check for bug that I found, and changed for clarity
+- [x] Go through closed (and open) issues
+- [x] Go through repo contents
+- [x] Check for bug that I found, and changed for clarity
 - [ ] Check changes against original text
 - [ ] Formatting changes
+- [ ] Add issues found in this process (see below)
 - [ ] Fix line width
 - [ ] git push
 
@@ -145,4 +144,6 @@ _Ray Tracing: The Next Week_
 # Issues
 - None of the _Sanity pass for Code Blocks_ changes ported to the src
 - if (refract) in chapter 10 of _InOneWeekend_ needs curly braces
-- In chapter 7 of _RestOfYourLife_ z calculation is different 
+- In chapter 7 of _RestOfYourLife_ z calculation is different
+- MAXFLOAT should become infinity
+- pexm_z in _NextWeek_ should be perm_z