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authorYukihiro "Matz" Matsumoto <[email protected]>2012-06-04 17:04:47 -0700
committerYukihiro "Matz" Matsumoto <[email protected]>2012-06-04 17:04:47 -0700
commit114168a551ffe4c429f9eeb2b2ccc09471b403a5 (patch)
tree3b4a9483b6993a471de6a1096caaa92114e14755 /src/math.c
parent2778058a8aaf119a032f689fb36d77f9787ab13d (diff)
parent2c7cee8a1a7886691f5103a4319fca411408b500 (diff)
downloadmruby-114168a551ffe4c429f9eeb2b2ccc09471b403a5.tar.gz
mruby-114168a551ffe4c429f9eeb2b2ccc09471b403a5.zip
Merge pull request #245 from pbosetti/tests
Added Math.sqrt() that was missing in math.c, and added relevant test case
Diffstat (limited to 'src/math.c')
-rw-r--r--src/math.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/math.c b/src/math.c
index b0d911573..eff2edcad 100644
--- a/src/math.c
+++ b/src/math.c
@@ -465,6 +465,25 @@ math_log10(mrb_state *mrb, mrb_value obj)
/*
* call-seq:
+ * Math.sqrt(numeric) -> float
+ *
+ * Returns the square root of <i>numeric</i>.
+ *
+ */
+static mrb_value
+math_sqrt(mrb_state *mrb, mrb_value obj)
+{
+ mrb_float x;
+
+ mrb_get_args(mrb, "f", &x);
+ x = sqrt(x);
+
+ return mrb_float_value(x);
+}
+
+
+/*
+ * call-seq:
* Math.cbrt(numeric) -> float
*
* Returns the cube root of <i>numeric</i>.
@@ -646,6 +665,7 @@ mrb_init_math(mrb_state *mrb)
mrb_define_module_function(mrb, mrb_math, "log", math_log, -1);
mrb_define_module_function(mrb, mrb_math, "log2", math_log2, 1);
mrb_define_module_function(mrb, mrb_math, "log10", math_log10, 1);
+ mrb_define_module_function(mrb, mrb_math, "sqrt", math_sqrt, 1);
mrb_define_module_function(mrb, mrb_math, "cbrt", math_cbrt, 1);
mrb_define_module_function(mrb, mrb_math, "frexp", math_frexp, 1);