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Merged
Happypig375 merged 1 commit into from
Aug 4, 2026
Merged

Refuse the arc- spellings of the inverse hyperbolic functions #687

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6 changes: 6 additions & 0 deletions Sources/AngouriMath/Core/Antlr/AngouriMath.g
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Original file line number Diff line number Diff line change
Expand Up @@ -324,28 +324,34 @@ atom returns[Entity value]
| 'asinh(' args = function_arguments ')' { Assert("arcsin", 1, $args.list.Count); $value = MathS.Hyperbolic.Arsinh($args.list[0]); }
| 'arsinh(' args = function_arguments ')' { Assert("arcsin", 1, $args.list.Count); $value = MathS.Hyperbolic.Arsinh($args.list[0]); }
| 'arsh(' args = function_arguments ')' { Assert("arcsin", 1, $args.list.Count); $value = MathS.Hyperbolic.Arsinh($args.list[0]); }
| 'arcsinh(' args = function_arguments ')' { throw new UnrecognizedFunctionParseException("there is no function arcsinh: the inverse hyperbolic functions are area functions, not arc functions, so the inverse hyperbolic sine is arsinh, asinh or arsh"); }

| 'acosh(' args = function_arguments ')' { Assert("arccos", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcosh($args.list[0]); }
| 'arcosh(' args = function_arguments ')' { Assert("arccos", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcosh($args.list[0]); }
| 'arch(' args = function_arguments ')' { Assert("arccos", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcosh($args.list[0]); }
| 'arccosh(' args = function_arguments ')' { throw new UnrecognizedFunctionParseException("there is no function arccosh: the inverse hyperbolic functions are area functions, not arc functions, so the inverse hyperbolic cosine is arcosh, acosh or arch"); }

| 'atanh(' args = function_arguments ')' { Assert("arctan", 1, $args.list.Count); $value = MathS.Hyperbolic.Artanh($args.list[0]); }
| 'artanh(' args = function_arguments ')' { Assert("arctan", 1, $args.list.Count); $value = MathS.Hyperbolic.Artanh($args.list[0]); }
| 'arth(' args = function_arguments ')' { Assert("arctan", 1, $args.list.Count); $value = MathS.Hyperbolic.Artanh($args.list[0]); }
| 'arctanh(' args = function_arguments ')' { throw new UnrecognizedFunctionParseException("there is no function arctanh: the inverse hyperbolic functions are area functions, not arc functions, so the inverse hyperbolic tangent is artanh, atanh or arth"); }

| 'acoth(' args = function_arguments ')' { Assert("arccotan", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcotanh($args.list[0]); }
| 'arcoth(' args = function_arguments ')' { Assert("arccotan", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcotanh($args.list[0]); }
| 'acotanh(' args = function_arguments ')' { Assert("arccotan", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcotanh($args.list[0]); }
| 'arcotanh(' args = function_arguments ')' { Assert("arccotan", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcotanh($args.list[0]); }
| 'arcth(' args = function_arguments ')' { Assert("arccotan", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcotanh($args.list[0]); }
| 'arccotanh(' args = function_arguments ')' { throw new UnrecognizedFunctionParseException("there is no function arccotanh: the inverse hyperbolic functions are area functions, not arc functions, so the inverse hyperbolic cotangent is arcotanh, acotanh, arcoth, acoth or arcth"); }

| 'asech(' args = function_arguments ')' { Assert("arcsec", 1, $args.list.Count); $value = MathS.Hyperbolic.Arsech($args.list[0]); }
| 'arsech(' args = function_arguments ')' { Assert("arcsec", 1, $args.list.Count); $value = MathS.Hyperbolic.Arsech($args.list[0]); }
| 'arsch(' args = function_arguments ')' { Assert("arcsec", 1, $args.list.Count); $value = MathS.Hyperbolic.Arsech($args.list[0]); }
| 'arcsech(' args = function_arguments ')' { throw new UnrecognizedFunctionParseException("there is no function arcsech: the inverse hyperbolic functions are area functions, not arc functions, so the inverse hyperbolic secant is arsech, asech or arsch"); }

| 'acosech(' args = function_arguments ')' { Assert("arccosec", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcosech($args.list[0]); }
| 'arcosech(' args = function_arguments ')' { Assert("arccosec", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcosech($args.list[0]); }
| 'arcsch(' args = function_arguments ')' { Assert("arccosec", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcosech($args.list[0]); }
| 'arccosech(' args = function_arguments ')' { throw new UnrecognizedFunctionParseException("there is no function arccosech: the inverse hyperbolic functions are area functions, not arc functions, so the inverse hyperbolic cosecant is arcosech, acosech, arcsch or acsch"); }
| 'acsch(' args = function_arguments ')' { Assert("arccosec", 1, $args.list.Count); $value = MathS.Hyperbolic.Arcosech($args.list[0]); }
/* End */

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14 changes: 13 additions & 1 deletion Sources/AngouriMath/Core/Antlr/AngouriMath.interp
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92 changes: 52 additions & 40 deletions Sources/AngouriMath/Core/Antlr/AngouriMath.tokens
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Original file line number Diff line number Diff line change
Expand Up @@ -119,13 +119,19 @@ T__117=118
T__118=119
T__119=120
T__120=121
NEWLINE=122
NUMBER=123
SPECIALSET=124
BOOLEAN=125
VARIABLE=126
COMMENT=127
WS=128
T__121=122
T__122=123
T__123=124
T__124=125
T__125=126
T__126=127
NEWLINE=128
NUMBER=129
SPECIALSET=130
BOOLEAN=131
VARIABLE=132
COMMENT=133
WS=134
'!'=1
'^'=2
'-'=3
Expand Down Expand Up @@ -214,36 +220,42 @@ WS=128
'asinh('=86
'arsinh('=87
'arsh('=88
'acosh('=89
'arcosh('=90
'arch('=91
'atanh('=92
'artanh('=93
'arth('=94
'acoth('=95
'arcoth('=96
'acotanh('=97
'arcotanh('=98
'arcth('=99
'asech('=100
'arsech('=101
'arsch('=102
'acosech('=103
'arcosech('=104
'arcsch('=105
'acsch('=106
'gamma('=107
'derivative('=108
'integral('=109
'limit('=110
'limitleft('=111
'limitright('=112
'signum('=113
'sgn('=114
'sign('=115
'abs('=116
'phi('=117
'domain('=118
'piecewise('=119
'apply('=120
'lambda('=121
'arcsinh('=89
'acosh('=90
'arcosh('=91
'arch('=92
'arccosh('=93
'atanh('=94
'artanh('=95
'arth('=96
'arctanh('=97
'acoth('=98
'arcoth('=99
'acotanh('=100
'arcotanh('=101
'arcth('=102
'arccotanh('=103
'asech('=104
'arsech('=105
'arsch('=106
'arcsech('=107
'acosech('=108
'arcosech('=109
'arcsch('=110
'arccosech('=111
'acsch('=112
'gamma('=113
'derivative('=114
'integral('=115
'limit('=116
'limitleft('=117
'limitright('=118
'signum('=119
'sgn('=120
'sign('=121
'abs('=122
'phi('=123
'domain('=124
'piecewise('=125
'apply('=126
'lambda('=127
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