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windows-xp/Source/XPSP1/NT/base/crts/fpw32/conv/constpow.c

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  1. /***
  2. *constpow.c - constant powers of ten
  3. *
  4. * Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
  5. *
  6. *Purpose:
  7. * Provide powers of ten in long double form:
  8. * 10^(2^i), i=0,1,2,...
  9. *
  10. *Revision History:
  11. * 7-17-91 GDP Initial version (ported from assembly)
  12. *
  13. *******************************************************************************/
  16. #include <cv.h>
  18. /* Format: A 10 byte long double + 2 bytes of extra precision
  19. * If the extra precision is desired, the 10-byte long double
  20. * should be "unrounded" first.
  21. * This may change in later versions
  22. */
  24. #ifdef L_END
  26. _LDBL12 _pow10pos[] = {
  27. /*P0001*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xA0,0x02,0x40}},
  28. /*P0002*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC8,0x05,0x40}},
  29. /*P0003*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFA,0x08,0x40}},
  30. /*P0004*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x9C,0x0C,0x40}},
  31. /*P0005*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x50,0xC3,0x0F,0x40}},
  32. /*P0006*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x24,0xF4,0x12,0x40}},
  33. /*P0007*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x80,0x96,0x98,0x16,0x40}},
  34. /*P0008*/ {{0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x20,0xBC,0xBE,0x19,0x40}},
  35. /*P0016*/ {{0x00,0x00, 0x00,0x00,0x00,0x04,0xBF,0xC9,0x1B,0x8E,0x34,0x40}},
  36. /*P0024*/ {{0x00,0x00, 0x00,0xA1,0xED,0xCC,0xCE,0x1B,0xC2,0xD3,0x4E,0x40}},
  37. /*P0032*/ {{0x20,0xF0, 0x9E,0xB5,0x70,0x2B,0xA8,0xAD,0xC5,0x9D,0x69,0x40}},
  38. /*P0040*/ {{0xD0,0x5D, 0xFD,0x25,0xE5,0x1A,0x8E,0x4F,0x19,0xEB,0x83,0x40}},
  39. /*P0048*/ {{0x71,0x96, 0xD7,0x95,0x43,0x0E,0x05,0x8D,0x29,0xAF,0x9E,0x40}},
  40. /*P0056*/ {{0xF9,0xBF, 0xA0,0x44,0xED,0x81,0x12,0x8F,0x81,0x82,0xB9,0x40}},
  41. /*P0064*/ {{0xBF,0x3C, 0xD5,0xA6,0xCF,0xFF,0x49,0x1F,0x78,0xC2,0xD3,0x40}},
  42. /*P0128*/ {{0x6F,0xC6, 0xE0,0x8C,0xE9,0x80,0xC9,0x47,0xBA,0x93,0xA8,0x41}},
  43. /*P0192*/ {{0xBC,0x85, 0x6B,0x55,0x27,0x39,0x8D,0xF7,0x70,0xE0,0x7C,0x42}},
  44. /*P0256*/ {{0xBC,0xDD, 0x8E,0xDE,0xF9,0x9D,0xFB,0xEB,0x7E,0xAA,0x51,0x43}},
  45. /*P0320*/ {{0xA1,0xE6, 0x76,0xE3,0xCC,0xF2,0x29,0x2F,0x84,0x81,0x26,0x44}},
  46. /*P0384*/ {{0x28,0x10, 0x17,0xAA,0xF8,0xAE,0x10,0xE3,0xC5,0xC4,0xFA,0x44}},
  47. /*P0448*/ {{0xEB,0xA7, 0xD4,0xF3,0xF7,0xEB,0xE1,0x4A,0x7A,0x95,0xCF,0x45}},
  48. /*P0512*/ {{0x65,0xCC, 0xC7,0x91,0x0E,0xA6,0xAE,0xA0,0x19,0xE3,0xA3,0x46}},
  49. /*P1024*/ {{0x0D,0x65, 0x17,0x0C,0x75,0x81,0x86,0x75,0x76,0xC9,0x48,0x4D}},
  50. /*P1536*/ {{0x58,0x42, 0xE4,0xA7,0x93,0x39,0x3B,0x35,0xB8,0xB2,0xED,0x53}},
  51. /*P2048*/ {{0x4D,0xA7, 0xE5,0x5D,0x3D,0xC5,0x5D,0x3B,0x8B,0x9E,0x92,0x5A}},
  52. /*P2560*/ {{0xFF,0x5D, 0xA6,0xF0,0xA1,0x20,0xC0,0x54,0xA5,0x8C,0x37,0x61}},
  53. /*P3072*/ {{0xD1,0xFD, 0x8B,0x5A,0x8B,0xD8,0x25,0x5D,0x89,0xF9,0xDB,0x67}},
  54. /*P3584*/ {{0xAA,0x95, 0xF8,0xF3,0x27,0xBF,0xA2,0xC8,0x5D,0xDD,0x80,0x6E}},
  55. /*P4096*/ {{0x4C,0xC9, 0x9B,0x97,0x20,0x8A,0x02,0x52,0x60,0xC4,0x25,0x75}}
  56. };
  58. _LDBL12 _pow10neg[] = {
  59. /*N0001*/ {{0xCD,0xCC, 0xCD,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC,0xFB,0x3F}},
  60. /*N0002*/ {{0x71,0x3D, 0x0A,0xD7,0xA3,0x70,0x3D,0x0A,0xD7,0xA3,0xF8,0x3F}},
  61. /*N0003*/ {{0x5A,0x64, 0x3B,0xDF,0x4F,0x8D,0x97,0x6E,0x12,0x83,0xF5,0x3F}},
  62. /*N0004*/ {{0xC3,0xD3, 0x2C,0x65,0x19,0xE2,0x58,0x17,0xB7,0xD1,0xF1,0x3F}},
  63. /*N0005*/ {{0xD0,0x0F, 0x23,0x84,0x47,0x1B,0x47,0xAC,0xC5,0xA7,0xEE,0x3F}},
  64. /*N0006*/ {{0x40,0xA6, 0xB6,0x69,0x6C,0xAF,0x05,0xBD,0x37,0x86,0xEB,0x3F}},
  65. /*N0007*/ {{0x33,0x3D, 0xBC,0x42,0x7A,0xE5,0xD5,0x94,0xBF,0xD6,0xE7,0x3F}},
  66. /*N0008*/ {{0xC2,0xFD, 0xFD,0xCE,0x61,0x84,0x11,0x77,0xCC,0xAB,0xE4,0x3F}},
  67. /*N0016*/ {{0x2F,0x4C, 0x5B,0xE1,0x4D,0xC4,0xBE,0x94,0x95,0xE6,0xC9,0x3F}},
  68. /*N0024*/ {{0x92,0xC4, 0x53,0x3B,0x75,0x44,0xCD,0x14,0xBE,0x9A,0xAF,0x3F}},
  69. /*N0032*/ {{0xDE,0x67, 0xBA,0x94,0x39,0x45,0xAD,0x1E,0xB1,0xCF,0x94,0x3F}},
  70. /*N0040*/ {{0x24,0x23, 0xC6,0xE2,0xBC,0xBA,0x3B,0x31,0x61,0x8B,0x7A,0x3F}},
  71. /*N0048*/ {{0x61,0x55, 0x59,0xC1,0x7E,0xB1,0x53,0x7C,0x12,0xBB,0x5F,0x3F}},
  72. /*N0056*/ {{0xD7,0xEE, 0x2F,0x8D,0x06,0xBE,0x92,0x85,0x15,0xFB,0x44,0x3F}},
  73. /*N0064*/ {{0x24,0x3F, 0xA5,0xE9,0x39,0xA5,0x27,0xEA,0x7F,0xA8,0x2A,0x3F}},
  74. /*N0128*/ {{0x7D,0xAC, 0xA1,0xE4,0xBC,0x64,0x7C,0x46,0xD0,0xDD,0x55,0x3E}},
  75. /*N0192*/ {{0x63,0x7B, 0x06,0xCC,0x23,0x54,0x77,0x83,0xFF,0x91,0x81,0x3D}},
  76. /*N0256*/ {{0x91,0xFA, 0x3A,0x19,0x7A,0x63,0x25,0x43,0x31,0xC0,0xAC,0x3C}},
  77. /*N0320*/ {{0x21,0x89, 0xD1,0x38,0x82,0x47,0x97,0xB8,0x00,0xFD,0xD7,0x3B}},
  78. /*N0384*/ {{0xDC,0x88, 0x58,0x08,0x1B,0xB1,0xE8,0xE3,0x86,0xA6,0x03,0x3B}},
  79. /*N0448*/ {{0xC6,0x84, 0x45,0x42,0x07,0xB6,0x99,0x75,0x37,0xDB,0x2E,0x3A}},
  80. /*N0512*/ {{0x33,0x71, 0x1C,0xD2,0x23,0xDB,0x32,0xEE,0x49,0x90,0x5A,0x39}},
  81. /*N1024*/ {{0xA6,0x87, 0xBE,0xC0,0x57,0xDA,0xA5,0x82,0xA6,0xA2,0xB5,0x32}},
  82. /*N1536*/ {{0xE2,0x68, 0xB2,0x11,0xA7,0x52,0x9F,0x44,0x59,0xB7,0x10,0x2C}},
  83. /*N2048*/ {{0x25,0x49, 0xE4,0x2D,0x36,0x34,0x4F,0x53,0xAE,0xCE,0x6B,0x25}},
  84. /*N2560*/ {{0x8F,0x59, 0x04,0xA4,0xC0,0xDE,0xC2,0x7D,0xFB,0xE8,0xC6,0x1E}},
  85. /*N3072*/ {{0x9E,0xE7, 0x88,0x5A,0x57,0x91,0x3C,0xBF,0x50,0x83,0x22,0x18}},
  86. /*N3584*/ {{0x4E,0x4B, 0x65,0x62,0xFD,0x83,0x8F,0xAF,0x06,0x94,0x7D,0x11}},
  87. /*N4096*/ {{0xE4,0x2D, 0xDE,0x9F,0xCE,0xD2,0xC8,0x04,0xDD,0xA6,0xD8,0x0A}}
  88. };
  90. #endif
  92. #ifdef B_END
  94. _LDBL12 _pow10pos[] = {
  95. /*P0001*/ {{0x40,0x02,0xA0,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  96. /*P0002*/ {{0x40,0x05,0xC8,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  97. /*P0003*/ {{0x40,0x08,0xFA,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  98. /*P0004*/ {{0x40,0x0C,0x9C,0x40,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  99. /*P0005*/ {{0x40,0x0F,0xC3,0x50,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  100. /*P0006*/ {{0x40,0x12,0xF4,0x24,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  101. /*P0007*/ {{0x40,0x16,0x98,0x96,0x80,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  102. /*P0008*/ {{0x40,0x19,0xBE,0xBC,0x20,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}},
  103. /*P0016*/ {{0x40,0x34,0x8E,0x1B,0xC9,0xBF,0x04,0x00,0x00,0x00, 0x00,0x00}},
  104. /*P0024*/ {{0x40,0x4E,0xD3,0xC2,0x1B,0xCE,0xCC,0xED,0xA1,0x00, 0x00,0x00}},
  105. /*P0032*/ {{0x40,0x69,0x9D,0xC5,0xAD,0xA8,0x2B,0x70,0xB5,0x9E, 0xF0,0x20}},
  106. /*P0040*/ {{0x40,0x83,0xEB,0x19,0x4F,0x8E,0x1A,0xE5,0x25,0xFD, 0x5D,0xD0}},
  107. /*P0048*/ {{0x40,0x9E,0xAF,0x29,0x8D,0x05,0x0E,0x43,0x95,0xD7, 0x96,0x71}},
  108. /*P0056*/ {{0x40,0xB9,0x82,0x81,0x8F,0x12,0x81,0xED,0x44,0xA0, 0xBF,0xF9}},
  109. /*P0064*/ {{0x40,0xD3,0xC2,0x78,0x1F,0x49,0xFF,0xCF,0xA6,0xD5, 0x3C,0xBF}},
  110. /*P0128*/ {{0x41,0xA8,0x93,0xBA,0x47,0xC9,0x80,0xE9,0x8C,0xE0, 0xC6,0x6F}},
  111. /*P0192*/ {{0x42,0x7C,0xE0,0x70,0xF7,0x8D,0x39,0x27,0x55,0x6B, 0x85,0xBC}},
  112. /*P0256*/ {{0x43,0x51,0xAA,0x7E,0xEB,0xFB,0x9D,0xF9,0xDE,0x8E, 0xDD,0xBC}},
  113. /*P0320*/ {{0x44,0x26,0x81,0x84,0x2F,0x29,0xF2,0xCC,0xE3,0x76, 0xE6,0xA1}},
  114. /*P0384*/ {{0x44,0xFA,0xC4,0xC5,0xE3,0x10,0xAE,0xF8,0xAA,0x17, 0x10,0x28}},
  115. /*P0448*/ {{0x45,0xCF,0x95,0x7A,0x4A,0xE1,0xEB,0xF7,0xF3,0xD4, 0xA7,0xEB}},
  116. /*P0512*/ {{0x46,0xA3,0xE3,0x19,0xA0,0xAE,0xA6,0x0E,0x91,0xC7, 0xCC,0x65}},
  117. /*P1024*/ {{0x4D,0x48,0xC9,0x76,0x75,0x86,0x81,0x75,0x0C,0x17, 0x65,0x0D}},
  118. /*P1536*/ {{0x53,0xED,0xB2,0xB8,0x35,0x3B,0x39,0x93,0xA7,0xE4, 0x42,0x58}},
  119. /*P2048*/ {{0x5A,0x92,0x9E,0x8B,0x3B,0x5D,0xC5,0x3D,0x5D,0xE5, 0xA7,0x4D}},
  120. /*P2560*/ {{0x61,0x37,0x8C,0xA5,0x54,0xC0,0x20,0xA1,0xF0,0xA6, 0x5D,0xFF}},
  121. /*P3072*/ {{0x67,0xDB,0xF9,0x89,0x5D,0x25,0xD8,0x8B,0x5A,0x8B, 0xFD,0xD1}},
  122. /*P3584*/ {{0x6E,0x80,0xDD,0x5D,0xC8,0xA2,0xBF,0x27,0xF3,0xF8, 0x95,0xAA}},
  123. /*P4096*/ {{0x75,0x25,0xC4,0x60,0x52,0x02,0x8A,0x20,0x97,0x9B, 0xC9,0x4C}}
  124. };
  126. _LDBL12 _pow10neg[] = {
  127. /*N0001*/ {{0x3F,0xFB,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC,0xCD, 0xCC,0xCD}},
  128. /*N0002*/ {{0x3F,0xF8,0xA3,0xD7,0x0A,0x3D,0x70,0xA3,0xD7,0x0A, 0x3D,0x71}},
  129. /*N0003*/ {{0x3F,0xF5,0x83,0x12,0x6E,0x97,0x8D,0x4F,0xDF,0x3B, 0x64,0x5A}},
  130. /*N0004*/ {{0x3F,0xF1,0xD1,0xB7,0x17,0x58,0xE2,0x19,0x65,0x2C, 0xD3,0xC3}},
  131. /*N0005*/ {{0x3F,0xEE,0xA7,0xC5,0xAC,0x47,0x1B,0x47,0x84,0x23, 0x0F,0xD0}},
  132. /*N0006*/ {{0x3F,0xEB,0x86,0x37,0xBD,0x05,0xAF,0x6C,0x69,0xB6, 0xA6,0x40}},
  133. /*N0007*/ {{0x3F,0xE7,0xD6,0xBF,0x94,0xD5,0xE5,0x7A,0x42,0xBC, 0x3D,0x33}},
  134. /*N0008*/ {{0x3F,0xE4,0xAB,0xCC,0x77,0x11,0x84,0x61,0xCE,0xFD, 0xFD,0xC2}},
  135. /*N0016*/ {{0x3F,0xC9,0xE6,0x95,0x94,0xBE,0xC4,0x4D,0xE1,0x5B, 0x4C,0x2F}},
  136. /*N0024*/ {{0x3F,0xAF,0x9A,0xBE,0x14,0xCD,0x44,0x75,0x3B,0x53, 0xC4,0x92}},
  137. /*N0032*/ {{0x3F,0x94,0xCF,0xB1,0x1E,0xAD,0x45,0x39,0x94,0xBA, 0x67,0xDE}},
  138. /*N0040*/ {{0x3F,0x7A,0x8B,0x61,0x31,0x3B,0xBA,0xBC,0xE2,0xC6, 0x23,0x24}},
  139. /*N0048*/ {{0x3F,0x5F,0xBB,0x12,0x7C,0x53,0xB1,0x7E,0xC1,0x59, 0x55,0x61}},
  140. /*N0056*/ {{0x3F,0x44,0xFB,0x15,0x85,0x92,0xBE,0x06,0x8D,0x2F, 0xEE,0xD7}},
  141. /*N0064*/ {{0x3F,0x2A,0xA8,0x7F,0xEA,0x27,0xA5,0x39,0xE9,0xA5, 0x3F,0x24}},
  142. /*N0128*/ {{0x3E,0x55,0xDD,0xD0,0x46,0x7C,0x64,0xBC,0xE4,0xA1, 0xAC,0x7D}},
  143. /*N0192*/ {{0x3D,0x81,0x91,0xFF,0x83,0x77,0x54,0x23,0xCC,0x06, 0x7B,0x63}},
  144. /*N0256*/ {{0x3C,0xAC,0xC0,0x31,0x43,0x25,0x63,0x7A,0x19,0x3A, 0xFA,0x91}},
  145. /*N0320*/ {{0x3B,0xD7,0xFD,0x00,0xB8,0x97,0x47,0x82,0x38,0xD1, 0x89,0x21}},
  146. /*N0384*/ {{0x3B,0x03,0xA6,0x86,0xE3,0xE8,0xB1,0x1B,0x08,0x58, 0x88,0xDC}},
  147. /*N0448*/ {{0x3A,0x2E,0xDB,0x37,0x75,0x99,0xB6,0x07,0x42,0x45, 0x84,0xC6}},
  148. /*N0512*/ {{0x39,0x5A,0x90,0x49,0xEE,0x32,0xDB,0x23,0xD2,0x1C, 0x71,0x33}},
  149. /*N1024*/ {{0x32,0xB5,0xA2,0xA6,0x82,0xA5,0xDA,0x57,0xC0,0xBE, 0x87,0xA6}},
  150. /*N1536*/ {{0x2C,0x10,0xB7,0x59,0x44,0x9F,0x52,0xA7,0x11,0xB2, 0x68,0xE2}},
  151. /*N2048*/ {{0x25,0x6B,0xCE,0xAE,0x53,0x4F,0x34,0x36,0x2D,0xE4, 0x49,0x25}},
  152. /*N2560*/ {{0x1E,0xC6,0xE8,0xFB,0x7D,0xC2,0xDE,0xC0,0xA4,0x04, 0x59,0x8F}},
  153. /*N3072*/ {{0x18,0x22,0x83,0x50,0xBF,0x3C,0x91,0x57,0x5A,0x88, 0xE7,0x9E}},
  154. /*N3584*/ {{0x11,0x7D,0x94,0x06,0xAF,0x8F,0x83,0xFD,0x62,0x65, 0x4B,0x4E}},
  155. /*N4096*/ {{0x0A,0xD8,0xA6,0xDD,0x04,0xC8,0xD2,0xCE,0x9F,0xDE, 0x2D,0xE4}}
  156. };
  158. #endif