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-rw-r--r--lib/pure/math.nim68
-rw-r--r--lib/pure/unicode.nim59
-rw-r--r--lib/wrappers/linenoise/clinenoise.c (renamed from lib/wrappers/linenoise/linenoise.c)2
-rw-r--r--lib/wrappers/linenoise/clinenoise.h (renamed from lib/wrappers/linenoise/linenoise.h)0
-rw-r--r--lib/wrappers/linenoise/linenoise.nim2
5 files changed, 84 insertions, 47 deletions
diff --git a/lib/pure/math.nim b/lib/pure/math.nim
index d3f1f3814..821ab738b 100644
--- a/lib/pure/math.nim
+++ b/lib/pure/math.nim
@@ -56,7 +56,7 @@ type
     fcNegInf     ## value is negative infinity
 
 proc classify*(x: float): FloatClass =
-  ## classifies a floating point value. Returns `x`'s class as specified by
+  ## Classifies a floating point value. Returns `x`'s class as specified by
   ## `FloatClass`.
 
   # JavaScript and most C compilers have no classify:
@@ -74,7 +74,7 @@ proc classify*(x: float): FloatClass =
 
 
 proc binom*(n, k: int): int {.noSideEffect.} =
-  ## computes the binomial coefficient
+  ## Computes the binomial coefficient
   if k <= 0: return 1
   if 2*k > n: return binom(n, n-k)
   result = n
@@ -82,18 +82,18 @@ proc binom*(n, k: int): int {.noSideEffect.} =
     result = (result * (n + 1 - i)) div i
 
 proc fac*(n: int): int {.noSideEffect.} =
-  ## computes the faculty/factorial function.
+  ## Computes the faculty/factorial function.
   result = 1
   for i in countup(2, n):
     result = result * i
 
 proc isPowerOfTwo*(x: int): bool {.noSideEffect.} =
-  ## returns true, if `x` is a power of two, false otherwise.
+  ## Returns true, if `x` is a power of two, false otherwise.
   ## Zero and negative numbers are not a power of two.
   return (x > 0) and ((x and (x - 1)) == 0)
 
 proc nextPowerOfTwo*(x: int): int {.noSideEffect.} =
-  ## returns `x` rounded up to the nearest power of two.
+  ## Returns `x` rounded up to the nearest power of two.
   ## Zero and negative numbers get rounded up to 1.
   result = x - 1
   when defined(cpu64):
@@ -108,28 +108,28 @@ proc nextPowerOfTwo*(x: int): int {.noSideEffect.} =
   result += 1 + ord(x<=0)
 
 proc countBits32*(n: int32): int {.noSideEffect.} =
-  ## counts the set bits in `n`.
+  ## Counts the set bits in `n`.
   var v = n
   v = v -% ((v shr 1'i32) and 0x55555555'i32)
   v = (v and 0x33333333'i32) +% ((v shr 2'i32) and 0x33333333'i32)
   result = ((v +% (v shr 4'i32) and 0xF0F0F0F'i32) *% 0x1010101'i32) shr 24'i32
 
 proc sum*[T](x: openArray[T]): T {.noSideEffect.} =
-  ## computes the sum of the elements in `x`.
+  ## Computes the sum of the elements in `x`.
   ## If `x` is empty, 0 is returned.
   for i in items(x): result = result + i
 
 template toFloat(f: float): float = f
 
 proc mean*[T](x: openArray[T]): float {.noSideEffect.} =
-  ## computes the mean of the elements in `x`, which are first converted to floats.
+  ## Computes the mean of the elements in `x`, which are first converted to floats.
   ## If `x` is empty, NaN is returned.
   ## ``toFloat(x: T): float`` must be defined.
   for i in items(x): result = result + toFloat(i)
   result = result / toFloat(len(x))
 
 proc variance*[T](x: openArray[T]): float {.noSideEffect.} =
-  ## computes the variance of the elements in `x`.
+  ## Computes the variance of the elements in `x`.
   ## If `x` is empty, NaN is returned.
   ## ``toFloat(x: T): float`` must be defined.
   result = 0.0
@@ -140,41 +140,43 @@ proc variance*[T](x: openArray[T]): float {.noSideEffect.} =
   result = result / toFloat(len(x))
 
 proc random*(max: int): int {.benign.}
-  ## returns a random number in the range 0..max-1. The sequence of
+  ## Returns a random number in the range 0..max-1. The sequence of
   ## random number is always the same, unless `randomize` is called
   ## which initializes the random number generator with a "random"
   ## number, i.e. a tickcount.
 
 proc random*(max: float): float {.benign.}
-  ## returns a random number in the range 0..<max. The sequence of
+  ## Returns a random number in the range 0..<max. The sequence of
   ## random number is always the same, unless `randomize` is called
   ## which initializes the random number generator with a "random"
   ## number, i.e. a tickcount. This has a 16-bit resolution on windows
   ## and a 48-bit resolution on other platforms.
 
 proc randomize*() {.benign.}
-  ## initializes the random number generator with a "random"
+  ## Initializes the random number generator with a "random"
   ## number, i.e. a tickcount. Note: Does nothing for the JavaScript target,
   ## as JavaScript does not support this.
 
 proc randomize*(seed: int) {.benign.}
-  ## initializes the random number generator with a specific seed.
+  ## Initializes the random number generator with a specific seed.
   ## Note: Does nothing for the JavaScript target,
   ## as JavaScript does not support this.
 
 {.push noSideEffect.}
 when not defined(JS):
   proc sqrt*(x: float): float {.importc: "sqrt", header: "<math.h>".}
-    ## computes the square root of `x`.
+    ## Computes the square root of `x`.
   proc cbrt*(x: float): float {.importc: "cbrt", header: "<math.h>".}
-    ## computes the cubic root of `x`
+    ## Computes the cubic root of `x`
 
   proc ln*(x: float): float {.importc: "log", header: "<math.h>".}
-    ## computes ln(x).
+    ## Computes the natural log of `x`
   proc log10*(x: float): float {.importc: "log10", header: "<math.h>".}
+    ## Computes the common logarithm (base 10) of `x`
   proc log2*(x: float): float = return ln(x) / ln(2.0)
+    ## Computes the binary logarithm (base 2) of `x`
   proc exp*(x: float): float {.importc: "exp", header: "<math.h>".}
-    ## computes e**x.
+    ## Computes the exponential function of `x` (pow(E, x))
 
   proc frexp*(x: float, exponent: var int): float {.
     importc: "frexp", header: "<math.h>".}
@@ -185,11 +187,14 @@ when not defined(JS):
     ## m.
 
   proc round*(x: float): int {.importc: "lrint", header: "<math.h>".}
-    ## converts a float to an int by rounding.
+    ## Converts a float to an int by rounding.
 
   proc arccos*(x: float): float {.importc: "acos", header: "<math.h>".}
+    ## Computes the arc cosine of `x`
   proc arcsin*(x: float): float {.importc: "asin", header: "<math.h>".}
+    ## Computes the arc sine of `x`
   proc arctan*(x: float): float {.importc: "atan", header: "<math.h>".}
+    ## Calculate the arc tangent of `y` / `x`
   proc arctan2*(y, x: float): float {.importc: "atan2", header: "<math.h>".}
     ## Calculate the arc tangent of `y` / `x`.
     ## `atan2` returns the arc tangent of `y` / `x`; it produces correct
@@ -197,16 +202,23 @@ when not defined(JS):
     ## (`x` near 0).
 
   proc cos*(x: float): float {.importc: "cos", header: "<math.h>".}
+    ## Computes the cosine of `x`
   proc cosh*(x: float): float {.importc: "cosh", header: "<math.h>".}
+    ## Computes the hyperbolic cosine of `x`
   proc hypot*(x, y: float): float {.importc: "hypot", header: "<math.h>".}
-    ## same as ``sqrt(x*x + y*y)``.
+    ## Computes the hypotenuse of a right-angle triangle with `x` and
+    ## `y` as its base and height. Equivalent to ``sqrt(x*x + y*y)``.
 
   proc sinh*(x: float): float {.importc: "sinh", header: "<math.h>".}
+    ## Computes the hyperbolic sine of `x`
   proc sin*(x: float): float {.importc: "sin", header: "<math.h>".}
+    ## Computes the sine of `x`
   proc tan*(x: float): float {.importc: "tan", header: "<math.h>".}
+    ## Computes the tangent of `x`
   proc tanh*(x: float): float {.importc: "tanh", header: "<math.h>".}
+    ## Computes the hyperbolic tangent of `x`
   proc pow*(x, y: float): float {.importc: "pow", header: "<math.h>".}
-    ## computes x to power raised of y.
+    ## Computes `x` to power of `y`.
 
   proc erf*(x: float): float {.importc: "erf", header: "<math.h>".}
     ## The error function
@@ -269,10 +281,26 @@ when not defined(JS):
     result = int(rand()) mod max
 
   proc trunc*(x: float): float {.importc: "trunc", header: "<math.h>".}
+    ## Truncates `x` to the decimal point
+    ##
+    ## .. code-block:: nim
+    ##  echo trunc(PI) # 3.0
   proc floor*(x: float): float {.importc: "floor", header: "<math.h>".}
+    ## Computes the floor function (i.e., the largest integer not greater than `x`)
+    ##
+    ## .. code-block:: nim
+    ##  echo floor(-3.5) ## -4.0
   proc ceil*(x: float): float {.importc: "ceil", header: "<math.h>".}
+    ## Computes the ceiling function (i.e., the smallest integer not less than `x`)
+    ##
+    ## .. code-block:: nim
+    ##  echo ceil(-2.1) ## -2.0
 
   proc fmod*(x, y: float): float {.importc: "fmod", header: "<math.h>".}
+    ## Computes the remainder of `x` divided by `y`
+    ##
+    ## .. code-block:: nim
+    ##  echo fmod(-2.5, 0.3) ## -0.1
 
 else:
   proc mathrandom(): float {.importc: "Math.random", nodecl.}
diff --git a/lib/pure/unicode.nim b/lib/pure/unicode.nim
index 4446eaa0c..5e20db32b 100644
--- a/lib/pure/unicode.nim
+++ b/lib/pure/unicode.nim
@@ -27,7 +27,7 @@ proc `==`*(a, b: Rune): bool = return int(a) == int(b)
 template ones(n: expr): expr = ((1 shl n)-1)
 
 proc runeLen*(s: string): int {.rtl, extern: "nuc$1".} =
-  ## returns the number of Unicode characters of the string `s`.
+  ## Returns the number of Unicode characters of the string ``s``
   var i = 0
   while i < len(s):
     if ord(s[i]) <=% 127: inc(i)
@@ -40,7 +40,7 @@ proc runeLen*(s: string): int {.rtl, extern: "nuc$1".} =
     inc(result)
 
 proc runeLenAt*(s: string, i: Natural): int =
-  ## returns the number of bytes the rune starting at ``s[i]`` takes.
+  ## Returns the number of bytes the rune starting at ``s[i]`` takes
   if ord(s[i]) <=% 127: result = 1
   elif ord(s[i]) shr 5 == 0b110: result = 2
   elif ord(s[i]) shr 4 == 0b1110: result = 3
@@ -50,8 +50,8 @@ proc runeLenAt*(s: string, i: Natural): int =
   else: result = 1
 
 template fastRuneAt*(s: string, i: int, result: expr, doInc = true) =
-  ## Returns the unicode character ``s[i]`` in `result`. If ``doInc == true``
-  ## `i` is incremented by the number of bytes that have been processed.
+  ## Returns the Unicode character ``s[i]`` in ``result``. If ``doInc == true``
+  ## ``i`` is incremented by the number of bytes that have been processed.
   bind ones
   if ord(s[i]) <=% 127:
     result = Rune(ord(s[i]))
@@ -106,8 +106,8 @@ template fastRuneAt*(s: string, i: int, result: expr, doInc = true) =
     when doInc: inc(i)
 
 proc validateUtf8*(s: string): int =
-  ## returns the position of the invalid byte in ``s`` if the string ``s`` does
-  ## not hold valid UTF-8 data. Otherwise -1 is returned.
+  ## Returns the position of the invalid byte in ``s`` if the string ``s`` does
+  ## not hold valid UTF-8 data. Otherwise ``-1`` is returned.
   var i = 0
   let L = s.len
   while i < L:
@@ -131,11 +131,11 @@ proc validateUtf8*(s: string): int =
   return -1
 
 proc runeAt*(s: string, i: Natural): Rune =
-  ## returns the unicode character in `s` at byte index `i`
+  ## Returns the unicode character in ``s`` at byte index ``i``
   fastRuneAt(s, i, result, false)
 
 proc toUTF8*(c: Rune): string {.rtl, extern: "nuc$1".} =
-  ## converts a rune into its UTF8 representation
+  ## Converts a rune into its UTF-8 representation
   var i = RuneImpl(c)
   if i <=% 127:
     result = newString(1)
@@ -174,11 +174,11 @@ proc toUTF8*(c: Rune): string {.rtl, extern: "nuc$1".} =
     discard # error, exception?
 
 proc `$`*(rune: Rune): string =
-  ## converts a rune to a string
+  ## Converts a Rune to a string
   rune.toUTF8
 
 proc `$`*(runes: seq[Rune]): string =
-  ## converts a sequence of runes to a string
+  ## Converts a sequence of Runes to a string
   result = ""
   for rune in runes: result.add(rune.toUTF8)
 
@@ -1163,8 +1163,8 @@ proc binarySearch(c: RuneImpl, tab: openArray[RuneImpl], len, stride: int): int
   return -1
 
 proc toLower*(c: Rune): Rune {.rtl, extern: "nuc$1", procvar.} =
-  ## Converts `c` into lower case. This works for any Unicode character.
-  ## If possible, prefer `toLower` over `toUpper`.
+  ## Converts ``c`` into lower case. This works for any Unicode character.
+  ## If possible, prefer ``toLower`` over ``toUpper``.
   var c = RuneImpl(c)
   var p = binarySearch(c, tolowerRanges, len(tolowerRanges) div 3, 3)
   if p >= 0 and c >= tolowerRanges[p] and c <= tolowerRanges[p+1]:
@@ -1175,8 +1175,8 @@ proc toLower*(c: Rune): Rune {.rtl, extern: "nuc$1", procvar.} =
   return Rune(c)
 
 proc toUpper*(c: Rune): Rune {.rtl, extern: "nuc$1", procvar.} =
-  ## Converts `c` into upper case. This works for any Unicode character.
-  ## If possible, prefer `toLower` over `toUpper`.
+  ## Converts ``c`` into upper case. This works for any Unicode character.
+  ## If possible, prefer ``toLower`` over ``toUpper``.
   var c = RuneImpl(c)
   var p = binarySearch(c, toupperRanges, len(toupperRanges) div 3, 3)
   if p >= 0 and c >= toupperRanges[p] and c <= toupperRanges[p+1]:
@@ -1187,6 +1187,7 @@ proc toUpper*(c: Rune): Rune {.rtl, extern: "nuc$1", procvar.} =
   return Rune(c)
 
 proc toTitle*(c: Rune): Rune {.rtl, extern: "nuc$1", procvar.} =
+  ## Converts ``c`` to title case
   var c = RuneImpl(c)
   var p = binarySearch(c, toTitleSinglets, len(toTitleSinglets) div 2, 2)
   if p >= 0 and c == toTitleSinglets[p]:
@@ -1194,8 +1195,8 @@ proc toTitle*(c: Rune): Rune {.rtl, extern: "nuc$1", procvar.} =
   return Rune(c)
 
 proc isLower*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
-  ## returns true iff `c` is a lower case Unicode character
-  ## If possible, prefer `isLower` over `isUpper`.
+  ## Returns true iff ``c`` is a lower case Unicode character.
+  ## If possible, prefer ``isLower`` over ``isUpper``.
   var c = RuneImpl(c)
   # Note: toUpperRanges is correct here!
   var p = binarySearch(c, toupperRanges, len(toupperRanges) div 3, 3)
@@ -1206,8 +1207,8 @@ proc isLower*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
     return true
 
 proc isUpper*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
-  ## returns true iff `c` is a upper case Unicode character
-  ## If possible, prefer `isLower` over `isUpper`.
+  ## Returns true iff ``c`` is a upper case Unicode character.
+  ## If possible, prefer ``isLower`` over ``isUpper``.
   var c = RuneImpl(c)
   # Note: toLowerRanges is correct here!
   var p = binarySearch(c, tolowerRanges, len(tolowerRanges) div 3, 3)
@@ -1218,7 +1219,7 @@ proc isUpper*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
     return true
 
 proc isAlpha*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
-  ## returns true iff `c` is an *alpha* Unicode character (i.e. a letter)
+  ## Returns true iff ``c`` is an *alpha* Unicode character (i.e., a letter)
   if isUpper(c) or isLower(c):
     return true
   var c = RuneImpl(c)
@@ -1230,17 +1231,18 @@ proc isAlpha*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
     return true
 
 proc isTitle*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
+  ## Returns true iff ``c`` is a Unicode titlecase character
   return isUpper(c) and isLower(c)
 
 proc isWhiteSpace*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
-  ## returns true iff `c` is a Unicode whitespace character
+  ## Returns true iff ``c`` is a Unicode whitespace character
   var c = RuneImpl(c)
   var p = binarySearch(c, spaceRanges, len(spaceRanges) div 2, 2)
   if p >= 0 and c >= spaceRanges[p] and c <= spaceRanges[p+1]:
     return true
 
 proc isCombining*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
-  ## returns true iff `c` is a Unicode combining character
+  ## Returns true iff ``c`` is a Unicode combining character
   var c = RuneImpl(c)
 
   # Optimized to return false immediately for ASCII
@@ -1251,7 +1253,7 @@ proc isCombining*(c: Rune): bool {.rtl, extern: "nuc$1", procvar.} =
     (c >= 0xfe20 and c <= 0xfe2f))
 
 iterator runes*(s: string): Rune =
-  ## iterates over any unicode character of the string `s`.
+  ## Iterates over any unicode character of the string ``s``
   var
     i = 0
     result: Rune
@@ -1259,8 +1261,14 @@ iterator runes*(s: string): Rune =
     fastRuneAt(s, i, result, true)
     yield result
 
+proc toRunes*(s: string): seq[Rune] =
+  ## Obtains a sequence containing the Runes in ``s``
+  result = newSeq[Rune]()
+  for r in s.runes:
+    result.add(r)
+
 proc cmpRunesIgnoreCase*(a, b: string): int {.rtl, extern: "nuc$1", procvar.} =
-  ## compares two UTF8 strings and ignores the case. Returns:
+  ## Compares two UTF-8 strings and ignores the case. Returns:
   ##
   ## | 0 iff a == b
   ## | < 0 iff a < b
@@ -1277,8 +1285,8 @@ proc cmpRunesIgnoreCase*(a, b: string): int {.rtl, extern: "nuc$1", procvar.} =
   result = a.len - b.len
 
 proc reversed*(s: string): string =
-  ## returns the reverse of `s`, interpreting it as unicode characters. Unicode
-  ## combining characters are correctly interpreted as well:
+  ## Returns the reverse of ``s``, interpreting it as Unicode characters. 
+  ## Unicode combining characters are correctly interpreted as well:
   ##
   ## .. code-block:: nim
   ##
@@ -1322,3 +1330,4 @@ when isMainModule:
   assert reversed("先秦兩漢") == "漢兩秦先"
   assert reversed("as⃝df̅") == "f̅ds⃝a"
   assert reversed("a⃞b⃞c⃞") == "c⃞b⃞a⃞"
+  assert len(toRunes("as⃝df̅")) == runeLen("as⃝df̅")
diff --git a/lib/wrappers/linenoise/linenoise.c b/lib/wrappers/linenoise/clinenoise.c
index c10557d0e..b4ae32472 100644
--- a/lib/wrappers/linenoise/linenoise.c
+++ b/lib/wrappers/linenoise/clinenoise.c
@@ -116,7 +116,7 @@
 #include <sys/types.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
-#include "linenoise.h"
+#include "clinenoise.h"
 
 #define LINENOISE_DEFAULT_HISTORY_MAX_LEN 100
 #define LINENOISE_MAX_LINE 4096
diff --git a/lib/wrappers/linenoise/linenoise.h b/lib/wrappers/linenoise/clinenoise.h
index fbb01cfaa..fbb01cfaa 100644
--- a/lib/wrappers/linenoise/linenoise.h
+++ b/lib/wrappers/linenoise/clinenoise.h
diff --git a/lib/wrappers/linenoise/linenoise.nim b/lib/wrappers/linenoise/linenoise.nim
index a6260eb12..b7004c6e2 100644
--- a/lib/wrappers/linenoise/linenoise.nim
+++ b/lib/wrappers/linenoise/linenoise.nim
@@ -14,7 +14,7 @@ type
 
   CompletionCallback* = proc (a2: cstring; a3: ptr Completions) {.cdecl.}
 
-{.compile: "linenoise.c".}
+{.compile: "clinenoise.c".}
 
 proc setCompletionCallback*(a2: ptr CompletionCallback) {.
     importc: "linenoiseSetCompletionCallback".}