Revert "Import ConTeXt math modules"

This code proved to cause harm than good; unicode-math is doing better
without it. So, revert it back, until we are ready for it.

1 files changed, 0 insertions, 313 deletions

diff --git a/otfl-math-dim.lua b/otfl-math-dim.lua
deleted file mode 100644
index 62d8051..0000000
--- a/otfl-math-dim.lua
+++ /dev/null
@@ -1,313 +0,0 @@
-if not modules then modules = { } end modules ['math-dim'] = {
-    version   = 1.001,
-    comment   = "companion to math-ini.mkiv",
-    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
-    copyright = "PRAGMA ADE / ConTeXt Development Team",
-    license   = "see context related readme files"
-}
-
--- Beware: only Taco really understands in depth what these dimensions do so
--- if you run into problems ...
-
-local abs, next = math.abs, next
-
-mathematics = mathematics or { }
-
-local defaults = {
-    ['axis']={
-        ['default']={ "AxisHeight", "axis_height" },
-    },
-    ['accent_base_height']={
-        ['default']={ "AccentBaseHeight", "x_height" },
-    },
-    ['fraction_del_size']={
-        ['default']={ "FractionDelimiterSize", "delim2" },
-        ['cramped_display_style']={ "FractionDelimiterDisplayStyleSize", "delim1" },
-        ['display_style']={ "FractionDelimiterDisplayStyleSize", "delim1" },
-     },
-    ['fraction_denom_down']={
-        ['default']={ "FractionDenominatorShiftDown", "denom2" },
-        ['cramped_display_style']={ "FractionDenominatorDisplayStyleShiftDown", "denom1" },
-        ['display_style']={ "FractionDenominatorDisplayStyleShiftDown", "denom1" },
-     },
-    ['fraction_denom_vgap']={
-        ['default']={ "FractionDenominatorGapMin", "default_rule_thickness" },
-        ['cramped_display_style']={ "FractionDenominatorDisplayStyleGapMin", "3*default_rule_thickness" },
-        ['display_style']={ "FractionDenominatorDisplayStyleGapMin", "3*default_rule_thickness" },
-     },
-    ['fraction_num_up']={
-        ['default']={ "FractionNumeratorShiftUp", "num2" },
-        ['cramped_display_style']={ "FractionNumeratorDisplayStyleShiftUp", "num1" },
-        ['display_style']={ "FractionNumeratorDisplayStyleShiftUp", "num1" },
-     },
-     ['fraction_num_vgap']={
-        ['default']={ "FractionNumeratorGapMin", "default_rule_thickness" },
-        ['cramped_display_style']={ "FractionNumeratorDisplayStyleGapMin", "3*default_rule_thickness" },
-        ['display_style']={ "FractionNumeratorDisplayStyleGapMin", "3*default_rule_thickness" },
-     },
-    ['fraction_rule']={
-        ['default']={ "FractionRuleThickness", "default_rule_thickness" },
-     },
-    ['limit_above_bgap']={
-        ['default']={ "UpperLimitBaselineRiseMin", "big_op_spacing3" },
-     },
-    ['limit_above_kern']={
-        ['default']={ "0", "big_op_spacing5" },
-     },
-    ['limit_above_vgap']={
-        ['default']={ "UpperLimitGapMin", "big_op_spacing1" },
-     },
-    ['limit_below_bgap']={
-        ['default']={ "LowerLimitBaselineDropMin", "big_op_spacing4" },
-     },
-    ['limit_below_kern']={
-        ['default']={ "0", "big_op_spacing5" },
-     },
-    ['limit_below_vgap']={
-        ['default']={ "LowerLimitGapMin", "big_op_spacing2" },
-     },
-
---~     ['....']={
---~         ['default']={ "DisplayOperatorMinHeight", "....." },
---~     },
-
-    ['overbar_kern']={
-        ['default']={ "OverbarExtraAscender", "default_rule_thickness" },
-     },
-    ['overbar_rule']={
-        ['default']={ "OverbarRuleThickness", "default_rule_thickness" },
-     },
-    ['overbar_vgap']={
-        ['default']={ "OverbarVerticalGap", "3*default_rule_thickness" },
-     },
-    ['quad']={
-        ['default']={ "font_size(f)", "math_quad" },
-     },
-    ['radical_kern']={
-        ['default']={ "RadicalExtraAscender", "default_rule_thickness" },
-     },
-    ['radical_rule']={
-        ['default']={ "RadicalRuleThickness", "<not set>" },
-     },
-    ['radical_vgap']={
-        ['default']={ "RadicalVerticalGap", "default_rule_thickness+(abs(default_rule_thickness)/4)" },
-        ['display_style']={ "RadicalDisplayStyleVerticalGap", "default_rule_thickness+(abs(math_x_height)/4)" },
-     },
-    ['space_after_script']={
-        ['default']={ "SpaceAfterScript", "script_space" },
-     },
-    ['stack_denom_down']={
-        ['default']={ "StackBottomShiftDown", "denom2" },
-        ['cramped_display_style']={ "StackBottomDisplayStyleShiftDown", "denom1" },
-        ['display_style']={ "StackBottomDisplayStyleShiftDown", "denom1" },
-     },
-    ['stack_num_up']={
-        ['default']={ "StackTopShiftUp", "num3" },
-        ['cramped_display_style']={ "StackTopDisplayStyleShiftUp", "num1" },
-        ['display_style']={ "StackTopDisplayStyleShiftUp", "num1" },
-     },
-    ['stack_vgap']={
-        ['default']={ "StackGapMin", "3*default_rule_thickness" },
-        ['cramped_display_style']={ "StackDisplayStyleGapMin", "7*default_rule_thickness" },
-        ['display_style']={ "StackDisplayStyleGapMin", "7*default_rule_thickness" },
-     },
-    ['sub_shift_down']={
-        ['default']={ "SubscriptShiftDown", "sub1" },
-     },
-    ['sub_shift_drop']={
-        ['default']={ "SubscriptBaselineDropMin", "sub_drop" },
-     },
-    ['sub_sup_shift_down']={
-        ['default']={ "SubscriptShiftDown", "sub2" }, -- todo
-     },
-    ['sub_top_max']={
-        ['default']={ "SubscriptTopMax", "abs(math_x_height*4)/5" },
-     },
-    ['subsup_vgap']={
-        ['default']={ "SubSuperscriptGapMin", "4*default_rule_thickness" },
-     },
-    ['sup_bottom_min']={
-        ['default']={ "SuperscriptBottomMin", "abs(math_x_height)/4" },
-     },
-    ['sup_shift_drop']={
-        ['default']={ "SuperscriptBaselineDropMax", "sup_drop" },
-     },
-    ['sup_shift_up']={
-        ['cramped_display_style']={ "SuperscriptShiftUpCramped", "sup3" },
-        ['cramped_script_script_style']={ "SuperscriptShiftUpCramped", "sup3" },
-        ['cramped_script_style']={ "SuperscriptShiftUpCramped", "sup3" },
-        ['cramped_text_style']={ "SuperscriptShiftUpCramped", "sup3" },
-        ['display_style']={ "SuperscriptShiftUp", "sup1" },
-        ['script_script_style']={ "SuperscriptShiftUp", "sup2" },
-        ['script_style']={ "SuperscriptShiftUp", "sup2" },
-        ['text_style']={ "SuperscriptShiftUp", "sup2" },
-     },
-    ['sup_sub_bottom_max']={
-        ['default']={ "SuperscriptBottomMaxWithSubscript", "abs(math_x_height*4)/5" },
-     },
-    ['underbar_kern']={
-        ['default']={ "UnderbarExtraDescender", "0" },
-     },
-    ['underbar_rule']={
-        ['default']={ "UnderbarRuleThickness", "default_rule_thickness" },
-    },
-    ['underbar_vgap']={
-        ['default']={ "UnderbarVerticalGap", "3*default_rule_thickness" },
-    },
-    ['connector_overlap_min']={
-        ['default']={ "MinConnectorOverlap", "0.25*default_rule_thickness" },
-     },
-    ['over_delimiter_vgap']={
-        ['default']={ "StretchStackGapBelowMin", "big_op_spacing1" },
-    },
-    ['over_delimiter_bgap']={
-        ['default']={ "StretchStackTopShiftUp", "big_op_spacing3" },
-    },
-    ['under_delimiter_vgap']={
-        ['default']={ "StretchStackGapAboveMin", "big_op_spacing2" },
-    },
-    ['under_delimiter_bgap']={
-        ['default']={ "StretchStackBottomShiftDown", "big_op_spacing4" },
-    },
-    ['radical_degree_before']={
-        ['default']={ "RadicalKernBeforeDegree", "(5/18)*quad" },
-    },
-    ['radical_degree_after']={
-        ['default']={ "RadicalKernAfterDegree", "(-10/18)*quad" },
-    },
-    ['radical_degree_raise']={
-        ['default']={ "RadicalDegreeBottomRaisePercent", "60" },
-    },
-}
-
-local styles = {
-    'cramped_display_style',
-    'cramped_script_script_style',
-    'cramped_script_style',
-    'cramped_text_style',
-    'display_style',
-    'script_script_style',
-    'script_style',
-    'text_style',
-}
-
-for k, v in next, defaults do
-    for _, s in next, styles do
-        if not v[s] then
-            v[s] = v.default
-        end
-    end
-end
-
--- we cannot use a metatable because we do a copy (takes a bit more work)
---
--- local mt = { }  setmetatable(defaults,mt)
---
--- mt.__index = function(t,s)
---     return t.default or t.text_style or 0
--- end
-
-function mathematics.dimensions(dimens)
-    if dimens.SpaceAfterScript then
-        dimens.SubscriptShiftDownWithSuperscript = dimens.SubscriptShiftDown * 1.5
-        return { }, table.fastcopy(dimens)
-    elseif dimens.AxisHeight or dimens.axis_height then
-        local t = { }
-        local math_x_height = dimens.x_height or 10*65526
-        local math_quad = dimens.quad or 10*65526
-        local default_rule_thickness = dimens.FractionDenominatorGapMin or dimens.default_rule_thickness or 0.4*65526
-        dimens["0"] = 0
-        dimens["60"] = 60
-        dimens["0.25*default_rule_thickness"] = default_rule_thickness / 4
-        dimens["3*default_rule_thickness"] = 3 * default_rule_thickness
-        dimens["4*default_rule_thickness"] = 4 * default_rule_thickness
-        dimens["7*default_rule_thickness"] = 7 * default_rule_thickness
-        dimens["(5/18)*quad"] = (math_quad * 5) / 18
-        dimens["(-10/18)*quad"] = - (math_quad * 10) / 18
-        dimens["abs(math_x_height*4)/5"] = abs(math_x_height * 4) / 5
-        dimens["default_rule_thickness+(abs(default_rule_thickness)/4)"] = default_rule_thickness+(abs(default_rule_thickness) / 4)
-        dimens["default_rule_thickness+(abs(math_x_height)/4)"] = default_rule_thickness+(abs(math_x_height) / 4)
-        dimens["abs(math_x_height)/4"] = abs(math_x_height) / 4
-        dimens["abs(math_x_height*4)/5"] = abs(math_x_height * 4) / 5
-        dimens["<not set>"] = false
-        dimens["script_space"] = false -- at macro level
-        for variable, styles in next, defaults do
-            local tt = { }
-            for style, default in next, styles do
-                local one, two = default[1], default[2]
-                local value = dimens[one]
-                if value then
-                    tt[style] = value
-                else
-                    value = dimens[two]
-                    if value == false then
-                        tt[style] = nil
-                    else
-                        tt[style] = value or 0
-                    end
-                end
-            end
-            t[variable] = tt
-        end
---~ logs.report("warning", "version 0.47 is needed for proper delimited math")
-        local d = {
-            AxisHeight                                  = t . axis                  . text_style,
-            AccentBaseHeight                            = t . accent_base_height    . text_style,
-            FractionDenominatorDisplayStyleGapMin       = t . fraction_denom_vgap   . display_style,
-            FractionDenominatorDisplayStyleShiftDown    = t . fraction_denom_down   . display_style,
-            FractionDenominatorGapMin                   = t . fraction_denom_vgap   . text_style,
-            FractionDenominatorShiftDown                = t . fraction_denom_down   . text_style,
-            FractionNumeratorDisplayStyleGapMin         = t . fraction_num_vgap     . display_style,
-            FractionNumeratorDisplayStyleShiftUp        = t . fraction_num_up       . display_style,
-            FractionNumeratorGapMin                     = t . fraction_num_vgap     . text_style,
-            FractionNumeratorShiftUp                    = t . fraction_num_up       . text_style,
-            FractionRuleThickness                       = t . fraction_rule         . text_style,
-            FractionDelimiterSize                       = t . fraction_del_size     . text_style,
-            FractionDelimiterDisplayStyleSize           = t . fraction_del_size     . display_style,
-            LowerLimitBaselineDropMin                   = t . limit_below_bgap      . text_style,
-            LowerLimitGapMin                            = t . limit_below_vgap      . text_style,
-            OverbarExtraAscender                        = t . overbar_kern          . text_style,
-            OverbarRuleThickness                        = t . overbar_rule          . text_style,
-            OverbarVerticalGap                          = t . overbar_vgap          . text_style,
-            RadicalDisplayStyleVerticalGap              = t . radical_vgap          . display_style,
-            RadicalExtraAscender                        = t . radical_kern          . text_style,
-            RadicalRuleThickness                        = t . radical_rule          . text_style,
-            RadicalVerticalGap                          = t . radical_vgap          . text_style,
-            RadicalKernBeforeDegree                     = t . radical_degree_before . display_style,
-            RadicalKernAfterDegree                      = t . radical_degree_after  . display_style,
-            RadicalDegreeBottomRaisePercent             = t . radical_degree_raise  . display_style,
-            SpaceAfterScript                            = t . space_after_script    . text_style,
-            StackBottomDisplayStyleShiftDown            = t . stack_denom_down      . display_style,
-            StackBottomShiftDown                        = t . stack_denom_down      . text_style,
-            StackDisplayStyleGapMin                     = t . stack_vgap            . display_style,
-            StackGapMin                                 = t . stack_vgap            . text_style,
-            StackTopDisplayStyleShiftUp                 = t . stack_num_up          . display_style,
-            StackTopShiftUp                             = t . stack_num_up          . text_style,
-            SubscriptBaselineDropMin                    = t . sub_shift_drop        . text_style,
-            SubscriptShiftDown                          = t . sub_shift_down        . text_style,
-            SubscriptShiftDownWithSuperscript           = t . sub_sup_shift_down    . text_style,
-            SubscriptTopMax                             = t . sub_top_max           . text_style,
-            SubSuperscriptGapMin                        = t . subsup_vgap           . text_style,
-            SuperscriptBaselineDropMax                  = t . sup_shift_drop        . text_style,
-            SuperscriptBottomMaxWithSubscript           = t . sup_sub_bottom_max    . text_style,
-            SuperscriptBottomMin                        = t . sup_bottom_min        . text_style,
-            SuperscriptShiftUp                          = t . sup_shift_up          . text_style,
-            SuperscriptShiftUpCramped                   = t . sup_shift_up          . cramped_text_style,
-            UnderbarExtraDescender                      = t . underbar_kern         . text_style,
-            UnderbarRuleThickness                       = t . underbar_rule         . text_style,
-            UnderbarVerticalGap                         = t . underbar_vgap         . text_style,
-            UpperLimitBaselineRiseMin                   = t . limit_above_bgap      . text_style,
-            UpperLimitGapMin                            = t . limit_above_vgap      . text_style,
-            MinConnectorOverlap                         = t . connector_overlap_min . text_style,
-            StretchStackGapBelowMin                     = t . over_delimiter_vgap   . text_style,
-            StretchStackTopShiftUp                      = t . over_delimiter_bgap   . text_style,
-            StretchStackGapAboveMin                     = t . under_delimiter_vgap  . text_style,
-            StretchStackBottomShiftDown                 = t . under_delimiter_bgap  . text_style,
-        }
-        d.AccentBaseHeight = 0
-        return t, d -- this might change
-    else
-        return { }, { }
-    end
-end
-