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Allow nested integrals

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This commit is contained in:
bakk 2022-01-16 21:58:46 +01:00
parent 13e42c48a8
commit 1dd0377e31
1 changed files with 4 additions and 2 deletions
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6
kalk/src/analysis.rs
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@ -597,10 +597,12 @@ fn build_fn_call(
log_base: Option<Expr>, log_base: Option<Expr>,
) -> Result<Expr, CalcError> { ) -> Result<Expr, CalcError> {
let is_integral = identifier.pure_name == "integrate"; let is_integral = identifier.pure_name == "integrate";
let prev_in_integral = context.in_integral;
if is_integral { if is_integral {
context.in_integral = true; context.in_integral = true;
} }
let prev_in_sum_prod = context.in_sum_prod;
let is_sum_prod = identifier.pure_name == "sum" || identifier.pure_name == "prod"; let is_sum_prod = identifier.pure_name == "sum" || identifier.pure_name == "prod";
if is_sum_prod { if is_sum_prod {
context.in_sum_prod = true; context.in_sum_prod = true;
@ -652,11 +654,11 @@ fn build_fn_call(
}; };
if is_integral { if is_integral {
context.in_integral = false; context.in_integral = prev_in_integral;
} }
if is_sum_prod { if is_sum_prod {
context.in_sum_prod = false; context.in_sum_prod = prev_in_sum_prod;
} }
Ok(Expr::FnCall(identifier, arguments)) Ok(Expr::FnCall(identifier, arguments))