RDoc for complex.c

1 files changed, 36 insertions, 43 deletions

diff --git a/complex.c b/complex.c
index 9057771b5c..d29189e367 100644
--- a/complex.c
+++ b/complex.c
@@ -1932,9 +1932,9 @@ nilclass_to_c(VALUE self)
 
 /*
  * call-seq:
- *    num.to_c  ->  complex
+ *   to_c -> complex
  *
- * Returns the value as a complex.
+ * Returns +self+ as a Complex object.
  */
 static VALUE
 numeric_to_c(VALUE self)
@@ -2232,32 +2232,30 @@ string_to_c_strict(VALUE self, int raise)
 
 /*
  * call-seq:
- *    str.to_c  ->  complex
- *
- * Returns a complex which denotes the string form.  The parser
- * ignores leading whitespaces and trailing garbage.  Any digit
- * sequences can be separated by an underscore.  Returns zero for null
- * or garbage string.
- *
- *    '9'.to_c           #=> (9+0i)
- *    '2.5'.to_c         #=> (2.5+0i)
- *    '2.5/1'.to_c       #=> ((5/2)+0i)
- *    '-3/2'.to_c        #=> ((-3/2)+0i)
- *    '-i'.to_c          #=> (0-1i)
- *    '45i'.to_c         #=> (0+45i)
- *    '3-4i'.to_c        #=> (3-4i)
- *    '-4e2-4e-2i'.to_c  #=> (-400.0-0.04i)
- *    '-0.0-0.0i'.to_c   #=> (-0.0-0.0i)
- *    '1/2+3/4i'.to_c    #=> ((1/2)+(3/4)*i)
- *    'ruby'.to_c        #=> (0+0i)
- *
- * Polar form:
- *    include Math
- *    "1.0@0".to_c        #=> (1+0.0i)
- *    "1.0@#{PI/2}".to_c  #=> (0.0+1i)
- *    "1.0@#{PI}".to_c    #=> (-1+0.0i)
- *
- * See Kernel.Complex.
+ *   to_c -> complex
+ *
+ * Returns +self+ interpreted as a Complex object;
+ * leading whitespace and trailing garbage are ignored:
+ *
+ *   '9'.to_c                 # => (9+0i)
+ *   '2.5'.to_c               # => (2.5+0i)
+ *   '2.5/1'.to_c             # => ((5/2)+0i)
+ *   '-3/2'.to_c              # => ((-3/2)+0i)
+ *   '-i'.to_c                # => (0-1i)
+ *   '45i'.to_c               # => (0+45i)
+ *   '3-4i'.to_c              # => (3-4i)
+ *   '-4e2-4e-2i'.to_c        # => (-400.0-0.04i)
+ *   '-0.0-0.0i'.to_c         # => (-0.0-0.0i)
+ *   '1/2+3/4i'.to_c          # => ((1/2)+(3/4)*i)
+ *   '1.0@0'.to_c             # => (1+0.0i)
+ *   "1.0@#{Math::PI/2}".to_c # => (0.0+1i)
+ *   "1.0@#{Math::PI}".to_c   # => (-1+0.0i)
+ *
+ * Returns \Complex zero if the string cannot be converted:
+ *
+ *   'ruby'.to_c        # => (0+0i)
+ *
+ * See Kernel#Complex.
  */
 static VALUE
 string_to_c(VALUE self)
@@ -2368,9 +2366,9 @@ nucomp_s_convert(int argc, VALUE *argv, VALUE klass)
 
 /*
  * call-seq:
- *    num.abs2  ->  real
+ *   abs2 -> real
  *
- * Returns square of self.
+ * Returns the square of +self+.
  */
 static VALUE
 numeric_abs2(VALUE self)
@@ -2380,11 +2378,9 @@ numeric_abs2(VALUE self)
 
 /*
  * call-seq:
- *    num.arg    ->  0 or float
- *    num.angle  ->  0 or float
- *    num.phase  ->  0 or float
+ *   arg -> 0 or Math::PI
  *
- * Returns 0 if the value is positive, pi otherwise.
+ * Returns zero if +self+ is positive, Math::PI otherwise.
  */
 static VALUE
 numeric_arg(VALUE self)
@@ -2396,10 +2392,9 @@ numeric_arg(VALUE self)
 
 /*
  * call-seq:
- *    num.rect  ->  array
- *    num.rectangular  ->  array
+ *   rect -> array
  *
- * Returns an array; [num, 0].
+ * Returns array <tt>[self, 0]</tt>.
  */
 static VALUE
 numeric_rect(VALUE self)
@@ -2409,9 +2404,9 @@ numeric_rect(VALUE self)
 
 /*
  * call-seq:
- *    num.polar  ->  array
+ *   polar -> array
  *
- * Returns an array; [num.abs, num.arg].
+ * Returns array <tt>[self.abs, self.arg]</tt>.
  */
 static VALUE
 numeric_polar(VALUE self)
@@ -2439,11 +2434,9 @@ numeric_polar(VALUE self)
 
 /*
  * call-seq:
- *    flo.arg    ->  0 or float
- *    flo.angle  ->  0 or float
- *    flo.phase  ->  0 or float
+ *   arg -> 0 or Math::PI
  *
- * Returns 0 if the value is positive, pi otherwise.
+ * Returns 0 if +self+ is positive, Math::PI otherwise.
  */
 static VALUE
 float_arg(VALUE self)