change in src/lib.cairo

CarmineOptions · Jul 17, 2024 · 2b13854 · 2b13854
1 parent 209243f
commit 2b13854
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/src/amm_core/pricing/lookup_table_cdf.cairo b/src/amm_core/pricing/lookup_table_cdf.cairo
@@ -2,7 +2,7 @@ use array::ArrayTrait;
 use array::SpanTrait;
 
 fn get_std_normal_cdf_table() -> Array<u128> {
-    let mut arr = ArrayTrait::new();
+    let mut arr = ArrayTrait::<u128>::new();
     arr.append(9223372036854775808);
     arr.append(9238090399336028160);
     arr.append(9252808702943967232);
@@ -4003,5 +4003,6 @@ fn get_std_normal_cdf_table() -> Array<u128> {
     arr.append(18446744073709539328);
     arr.append(18446744073709539328);
     arr.append(18446744073709539328);
-    arr.append(18446744073709539328)
+    arr.append(18446744073709539328);
+    arr
 }
diff --git a/src/amm_core/pricing/option_pricing.cairo b/src/amm_core/pricing/option_pricing.cairo
@@ -52,6 +52,7 @@ mod OptionPricing {
     //      and that is used for updating prices.
     // @param x: number in Math64x61 form
     // @return Returns std normal cdf value in Math64x61 form
+
     fn std_normal_cdf_dep(x: Fixed) -> Fixed {
         let TWO = FixedTrait::from_unscaled_felt(2);
         let THREE = FixedTrait::from_unscaled_felt(3);
@@ -88,7 +89,7 @@ mod OptionPricing {
             return (FixedTrait::ONE() - dist_symmetric_value);
         };
         let scaled_x = x * FixedTrait::new(4000, false);
-        let index_fixed = scaled_x / FixedTrait::new(147573952589676412928, false); // 2^6
+        let index_fixed = scaled_x / FixedTrait::new(147573952589676412928, false); // 2^67
         let index: usize = index_fixed.try_into().unwrap();
 
         // Ensure index is within bounds

diff --git a/src/lib.cairo b/src/lib.cairo
@@ -17,6 +17,7 @@ mod amm_core {
         mod fees;
         mod option_pricing;
         mod option_pricing_helpers;
+        mod lookup_table_cdf;
     }
     mod peripheries {
         mod view;