Create pbrMathLogTesting.sol

Contracts/pbrMathLogTesting.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity 0.8.26;
+
+// Unsigned
+import { UD60x18, ud } from "@prb/math/src/UD60x18.sol"; 
+// // Signed
+// import { SD59x18, sd } from "@prb/math/src/SD59x18.sol";
+
+contract pbrMathLogTesting {
+
+  /// @notice Calculates the binary logarithm of the given signed number.
+  /// @dev Try this with x = 128e18.
+  function unsignedLog2WithTenEther() external pure returns (UD60x18 result) {
+    UD60x18 x = ud(10 ether);
+    // Returns 3.321928094887362334 ether, since: 
+    // 10 ether = 2**(3.321928094887362334 ether)
+    result = x.log2(); 
+  }
+
+  /// @notice Calculates the binary logarithm of the given signed number.
+  /// @dev Try this with x = 128e18.
+  function unsignedLog10WithTenEther() external pure returns (UD60x18 result) {
+    UD60x18 x = ud(10 ether);
+    // Returns 1 ether, since: 
+    // 10 ether = 10**(1 ether).
+    result = x.log10(); 
+  }
+
+  /// @notice Calculates the binary logarithm of the given signed number.
+  /// @dev Try this with x = 128e18.
+  function unsignedLog2(UD60x18 x) external pure returns (UD60x18 result) {
+    result = x.log2();
+  }
+
+  /// @notice Calculates the binary logarithm of the given signed number.
+  /// @dev Try this with x = 128e18.
+  function unsignedLog10(UD60x18 x) external pure returns (UD60x18 result) {
+    result = x.log10();
+  }
+
+}