Updating the Math and MathF docs to indicate which functions may vary across OS or architecture (#5264)

Author: tannergooding

xml/System/Math.xml

@@ -616,6 +616,8 @@
 ## Remarks 
  Multiply the return value by 180/<xref:System.Math.PI?displayProperty=nameWithType> to convert from radians to degrees. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -673,6 +675,8 @@
 ## Remarks 
  Multiply the return value by 180/<xref:System.Math.PI?displayProperty=nameWithType> to convert from radians to degrees. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  ]]></format>
  </remarks>
  </Docs>
@@ -738,6 +742,8 @@
  
  Multiply the return value by 180/<xref:System.Math.PI?displayProperty=nameWithType> to convert from radians to degrees. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -795,6 +801,8 @@
 ## Remarks 
  Multiply the return value by 180/<xref:System.Math.PI?displayProperty=nameWithType> to convert from radians to degrees. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  ]]></format>
  </remarks>
  </Docs>
@@ -860,6 +868,8 @@
  
  Multiply the return value by 180/<xref:System.Math.PI?displayProperty=nameWithType> to convert from radians to degrees. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -952,6 +962,8 @@
 ## Remarks 
  The return value is the angle in the Cartesian plane formed by the x-axis, and a vector starting from the origin, (0,0), and terminating at the point, (x,y). 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -1009,6 +1021,8 @@
 ## Remarks 
  Multiply the return value by 180/<xref:System.Math.PI?displayProperty=nameWithType> to convert from radians to degrees. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  ]]></format>
  </remarks>
  </Docs>
@@ -1277,7 +1291,14 @@
  -or- 
 
  <see cref="F:System.Double.NaN" /> if <paramref name="x" /> equals <see cref="F:System.Double.NaN" />.</returns>
- <remarks>To be added.</remarks>
+ <remarks>
+ <format type="text/markdown"><![CDATA[ 
+ 
+## Remarks 
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
+ ]]></format>
+ </remarks>
  <altmember cref="M:System.Math.Pow(System.Double,System.Double)" />
  </Docs>
  </Member>
@@ -2123,7 +2144,7 @@ Dim i2 As Integer = CInt(Math.Ceiling(d2)) ' Result: 7969
 ## Remarks 
  The angle, `d`, must be in radians. Multiply by <xref:System.Math.PI?displayProperty=nameWithType>/180 to convert degrees to radians. 
  
- Acceptable values of `d` range from approximately -9223372036854775295 to approximately 9223372036854775295. For values outside this range, the <xref:System.Math.Cos%2A> method returns `d` unchanged rather than throwing an exception. 
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
  
  
  
@@ -2193,6 +2214,8 @@ Dim i2 As Integer = CInt(Math.Ceiling(d2)) ' Result: 7969
 ## Remarks 
  The angle, `value`, must be in radians. Multiply by <xref:System.Math.PI?displayProperty=nameWithType>/180 to convert degrees to radians. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -2473,6 +2496,8 @@ Dim i2 As Integer = CInt(Math.Ceiling(d2)) ' Result: 7969
  
  <xref:System.Math.Exp%2A> is the inverse of <xref:System.Math.Log%2A>. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -2833,6 +2858,8 @@ Remainder = (Math.Abs(dividend) - (Math.Abs(divisor) *
 ## Remarks 
  Parameter `x` is specified as a base 10 number. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  ]]></format>
  </remarks>
  </Docs>
@@ -2916,6 +2943,10 @@ Remainder = (Math.Abs(dividend) - (Math.Abs(divisor) *
 ## Remarks 
  Parameter `d` is specified as a base 10 number. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -3066,6 +3097,11 @@ Remainder = (Math.Abs(dividend) - (Math.Abs(divisor) *
  <remarks>
  <format type="text/markdown"><![CDATA[ 
  
+## Remarks 
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
+ 
+ 
 ## Examples 
  The following example uses <xref:System.Math.Log%2A> to evaluate certain logarithmic identities for selected values. 
 
@@ -3146,6 +3182,8 @@ Remainder = (Math.Abs(dividend) - (Math.Abs(divisor) *
 ## Remarks 
  Parameter `d` is specified as a base 10 number. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -3211,6 +3249,8 @@ Remainder = (Math.Abs(dividend) - (Math.Abs(divisor) *
 ## Remarks 
  Parameter `x` is specified as a base 10 number. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  ]]></format>
  </remarks>
  </Docs>
@@ -4783,6 +4823,8 @@ The following example demonstrates how to use the <xref:System.Math.Min%2A> meth
 |`x` = `PositiveInfinity`; `y` < 0.|0| 
 |`x` = `PositiveInfinity`; `y` > 0.|`PositiveInfinity`| 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -5616,7 +5658,14 @@ The following example demonstrates how to use the <xref:System.Math.Round%28Syst
  <param name="n">A 32-bit integer that specifies the power.</param>
  <summary>Returns x * 2^n computed efficiently.</summary>
  <returns>x * 2^n computed efficiently.</returns>
- <remarks>To be added.</remarks>
+ <remarks>
+ <format type="text/markdown"><![CDATA[ 
+ 
+## Remarks 
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
+ ]]></format>
+ </remarks>
  </Docs>
  </Member>
  <MemberGroup MemberName="Sign">
@@ -6261,7 +6310,7 @@ The following example demonstrates how to use the <xref:System.Math.Round%28Syst
 ## Remarks 
  The angle, `a`, must be in radians. Multiply by <xref:System.Math.PI?displayProperty=nameWithType>/180 to convert degrees to radians. 
  
- Acceptable values of `a` range from approximately -9223372036854775295 to approximately 9223372036854775295. For values outside of this range, the <xref:System.Math.Sin%2A> method returns `a` unchanged rather than throwing an exception. 
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
  
  
  
@@ -6331,6 +6380,8 @@ The following example demonstrates how to use the <xref:System.Math.Round%28Syst
 ## Remarks 
  The angle, `value`, must be in radians. Multiply by <xref:System.Math.PI?displayProperty=nameWithType>/180 to convert degrees to radians. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -6479,6 +6530,8 @@ The following example demonstrates how to use the <xref:System.Math.Round%28Syst
 ## Remarks 
  The angle, `a`, must be in radians. Multiply by <xref:System.Math.PI?displayProperty=nameWithType>/180 to convert degrees to radians. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples 
@@ -6547,6 +6600,8 @@ The following example demonstrates how to use the <xref:System.Math.Round%28Syst
 ## Remarks 
  The angle, `value`, must be in radians. Multiply by <xref:System.Math.PI?displayProperty=nameWithType>/180 to convert degrees to radians. 
  
+ This method calls into the underlying C runtime, and the exact result or valid input range may differ between different operating systems or architectures. 
+ 
  
  
 ## Examples