aboutsummaryrefslogtreecommitdiff
path: root/node_modules/es5-ext/math/log10/shim.js
diff options
context:
space:
mode:
authorFlorian Dold <florian.dold@gmail.com>2017-08-14 05:01:11 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-08-14 05:02:09 +0200
commit363723fc84f7b8477592e0105aeb331ec9a017af (patch)
tree29f92724f34131bac64d6a318dd7e30612e631c7 /node_modules/es5-ext/math/log10/shim.js
parent5634e77ad96bfe1818f6b6ee70b7379652e5487f (diff)
node_modules
Diffstat (limited to 'node_modules/es5-ext/math/log10/shim.js')
-rw-r--r--node_modules/es5-ext/math/log10/shim.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/node_modules/es5-ext/math/log10/shim.js b/node_modules/es5-ext/math/log10/shim.js
new file mode 100644
index 000000000..e8599a260
--- /dev/null
+++ b/node_modules/es5-ext/math/log10/shim.js
@@ -0,0 +1,14 @@
+"use strict";
+
+var log = Math.log, LOG10E = Math.LOG10E;
+
+module.exports = function (value) {
+ if (isNaN(value)) return NaN;
+ value = Number(value);
+ if (value < 0) return NaN;
+ if (value === 0) return -Infinity;
+ if (value === 1) return 0;
+ if (value === Infinity) return Infinity;
+
+ return log(value) * LOG10E;
+};