linux/110stop.subx.


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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-22 01:38:52 +0000
 

n class="o">/eax: int <- copy key
    digit-value <- subtract 0x30
    var digit-value-f/xmm3: float <- convert digit-value
    digit-value-f <- multiply current-position
    result <- add digit-value-f
    current-position <- divide ten-f
    #
    first-iter? <- copy 0/false
    loop
  }
  # finally, the sign
  compare negative?, 0/false
  {
    break-if-=
    var minus-one/eax: int <- copy -1
    var minus-one-f/xmm2: float <- convert minus-one
    result <- multiply minus-one-f
  }
  return result
}

fn test-parse-float-decimal-zero {
  var s-storage: (stream byte 0x10)
  var s/esi: (addr stream byte) <- address s-storage
  write s, "00"
  var x/xmm1: float <- parse-float-decimal s
  var expected/eax: int <- copy 0
  var expected-f/xmm0: float <- convert expected
  compare x, expected-f
  {
    break-if-=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - test-parse-float-decimal-zero", 3/fg 0/bg
    move-cursor-to-left-margin-of-next-line 0/screen
    count-test-failure
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
}

fn test-parse-float-decimal-integer {
  var s-storage: (stream byte 0x10)
  var s/esi: (addr stream byte) <- address s-storage
  write s, "34"
  var x/xmm1: float <- parse-float-decimal s
  var expected/eax: int <- copy 0x22/34
  var expected-f/xmm0: float <- convert expected
  compare x, expected-f
  {
    break-if-=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - test-parse-float-decimal-integer", 3/fg 0/bg
    move-cursor-to-left-margin-of-next-line 0/screen
    count-test-failure
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
}

fn test-parse-float-decimal-negative-integer {
  var s-storage: (stream byte 0x10)
  var s/esi: (addr stream byte) <- address s-storage
  write s, "-34"
  var x/xmm1: float <- parse-float-decimal s
  var expected/eax: int <- copy -0x22/-34
  var expected-f/xmm0: float <- convert expected
  compare x, expected-f
  {
    break-if-=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - test-parse-float-decimal-negative-integer", 3/fg 0/bg
    move-cursor-to-left-margin-of-next-line 0/screen
    count-test-failure
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
}

fn test-parse-float-decimal-fraction {
  var s-storage: (stream byte 0x10)
  var s/esi: (addr stream byte) <- address s-storage
  write s, "3.4"
  var x/xmm1: float <- parse-float-decimal s
  var expected-f/xmm0: float <- rational 0x22/34, 0xa/10
  compare x, expected-f
  {
    break-if-=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - test-parse-float-decimal-fraction", 3/fg 0/bg
    move-cursor-to-left-margin-of-next-line 0/screen
    count-test-failure
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
}

fn test-parse-float-decimal-negative-fraction {
  var s-storage: (stream byte 0x10)
  var s/esi: (addr stream byte) <- address s-storage
  write s, "-3.4"
  var x/xmm1: float <- parse-float-decimal s
  var expected-f/xmm0: float <- rational -0x22/-34, 0xa/10
  compare x, expected-f
  {
    break-if-=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - test-parse-float-decimal-negative-fraction", 3/fg 0/bg
    move-cursor-to-left-margin-of-next-line 0/screen
    count-test-failure
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
}