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-rw-r--r--libm/double/shichi.c599
1 files changed, 0 insertions, 599 deletions
diff --git a/libm/double/shichi.c b/libm/double/shichi.c
deleted file mode 100644
index a1497fc34..000000000
--- a/libm/double/shichi.c
+++ /dev/null
@@ -1,599 +0,0 @@
-/* shichi.c
- *
- * Hyperbolic sine and cosine integrals
- *
- *
- *
- * SYNOPSIS:
- *
- * double x, Chi, Shi, shichi();
- *
- * shichi( x, &Chi, &Shi );
- *
- *
- * DESCRIPTION:
- *
- * Approximates the integrals
- *
- * x
- * -
- * | | cosh t - 1
- * Chi(x) = eul + ln x + | ----------- dt,
- * | | t
- * -
- * 0
- *
- * x
- * -
- * | | sinh t
- * Shi(x) = | ------ dt
- * | | t
- * -
- * 0
- *
- * where eul = 0.57721566490153286061 is Euler's constant.
- * The integrals are evaluated by power series for x < 8
- * and by Chebyshev expansions for x between 8 and 88.
- * For large x, both functions approach exp(x)/2x.
- * Arguments greater than 88 in magnitude return MAXNUM.
- *
- *
- * ACCURACY:
- *
- * Test interval 0 to 88.
- * Relative error:
- * arithmetic function # trials peak rms
- * DEC Shi 3000 9.1e-17
- * IEEE Shi 30000 6.9e-16 1.6e-16
- * Absolute error, except relative when |Chi| > 1:
- * DEC Chi 2500 9.3e-17
- * IEEE Chi 30000 8.4e-16 1.4e-16
- */
-
-/*
-Cephes Math Library Release 2.8: June, 2000
-Copyright 1984, 1987, 2000 by Stephen L. Moshier
-*/
-
-
-#include <math.h>
-
-#ifdef UNK
-/* x exp(-x) shi(x), inverted interval 8 to 18 */
-static double S1[] = {
- 1.83889230173399459482E-17,
--9.55485532279655569575E-17,
- 2.04326105980879882648E-16,
- 1.09896949074905343022E-15,
--1.31313534344092599234E-14,
- 5.93976226264314278932E-14,
--3.47197010497749154755E-14,
--1.40059764613117131000E-12,
- 9.49044626224223543299E-12,
--1.61596181145435454033E-11,
--1.77899784436430310321E-10,
- 1.35455469767246947469E-9,
--1.03257121792819495123E-9,
--3.56699611114982536845E-8,
- 1.44818877384267342057E-7,
- 7.82018215184051295296E-7,
--5.39919118403805073710E-6,
--3.12458202168959833422E-5,
- 8.90136741950727517826E-5,
- 2.02558474743846862168E-3,
- 2.96064440855633256972E-2,
- 1.11847751047257036625E0
-};
-
-/* x exp(-x) shi(x), inverted interval 18 to 88 */
-static double S2[] = {
--1.05311574154850938805E-17,
- 2.62446095596355225821E-17,
- 8.82090135625368160657E-17,
--3.38459811878103047136E-16,
--8.30608026366935789136E-16,
- 3.93397875437050071776E-15,
- 1.01765565969729044505E-14,
--4.21128170307640802703E-14,
--1.60818204519802480035E-13,
- 3.34714954175994481761E-13,
- 2.72600352129153073807E-12,
- 1.66894954752839083608E-12,
--3.49278141024730899554E-11,
--1.58580661666482709598E-10,
--1.79289437183355633342E-10,
- 1.76281629144264523277E-9,
- 1.69050228879421288846E-8,
- 1.25391771228487041649E-7,
- 1.16229947068677338732E-6,
- 1.61038260117376323993E-5,
- 3.49810375601053973070E-4,
- 1.28478065259647610779E-2,
- 1.03665722588798326712E0
-};
-#endif
-
-#ifdef DEC
-static unsigned short S1[] = {
-0022251,0115635,0165120,0006574,
-0122734,0050751,0020305,0101356,
-0023153,0111154,0011103,0177462,
-0023636,0060321,0060253,0124246,
-0124554,0106655,0152525,0166400,
-0025205,0140145,0171006,0106556,
-0125034,0056427,0004205,0176022,
-0126305,0016731,0025011,0134453,
-0027046,0172453,0112604,0116235,
-0127216,0022071,0116600,0137667,
-0130103,0115126,0071104,0052535,
-0030672,0025450,0010071,0141414,
-0130615,0165136,0132137,0177737,
-0132031,0031611,0074436,0175407,
-0032433,0077602,0104345,0060076,
-0033121,0165741,0167177,0172433,
-0133665,0025262,0174621,0022612,
-0134403,0006761,0124566,0145405,
-0034672,0126332,0034737,0116744,
-0036004,0137654,0037332,0131766,
-0036762,0104466,0121445,0124326,
-0040217,0025105,0062145,0042640
-};
-
-static unsigned short S2[] = {
-0122102,0041774,0016051,0055137,
-0022362,0010125,0007651,0015773,
-0022713,0062551,0040227,0071645,
-0123303,0015732,0025731,0146570,
-0123557,0064016,0002067,0067711,
-0024215,0136214,0132374,0124234,
-0024467,0051425,0071066,0064210,
-0125075,0124305,0135123,0024170,
-0125465,0010261,0005560,0034232,
-0025674,0066602,0030724,0174557,
-0026477,0151520,0051510,0067250,
-0026352,0161076,0113154,0116271,
-0127431,0116470,0177465,0127274,
-0130056,0056174,0170315,0013321,
-0130105,0020575,0075327,0036710,
-0030762,0043625,0113046,0125035,
-0031621,0033211,0154354,0022077,
-0032406,0121555,0074270,0041141,
-0033234,0000116,0041611,0173743,
-0034207,0013263,0174715,0115563,
-0035267,0063300,0175753,0117266,
-0036522,0077633,0033255,0136200,
-0040204,0130457,0014454,0166254
-};
-#endif
-
-#ifdef IBMPC
-static unsigned short S1[] = {
-0x01b0,0xbd4a,0x3373,0x3c75,
-0xb05e,0x2418,0x8a3d,0xbc9b,
-0x7fe6,0x8248,0x724d,0x3cad,
-0x7515,0x2c15,0xcc1a,0x3cd3,
-0xbda0,0xbaaa,0x91b5,0xbd0d,
-0xd1ae,0xbe40,0xb80c,0x3d30,
-0xbf82,0xe110,0x8ba2,0xbd23,
-0x3725,0x2541,0xa3bb,0xbd78,
-0x9394,0x72b0,0xdea5,0x3da4,
-0x17f7,0x33b0,0xc487,0xbdb1,
-0x8aac,0xce48,0x734a,0xbde8,
-0x3862,0x0207,0x4565,0x3e17,
-0xfffc,0xd68b,0xbd4b,0xbe11,
-0xdf61,0x2f23,0x2671,0xbe63,
-0xac08,0x511c,0x6ff0,0x3e83,
-0xfea3,0x3dcf,0x3d7c,0x3eaa,
-0x24b1,0x5f32,0xa556,0xbed6,
-0xd961,0x352e,0x61be,0xbf00,
-0xf3bd,0x473b,0x559b,0x3f17,
-0x567f,0x87db,0x97f5,0x3f60,
-0xb51b,0xd464,0x5126,0x3f9e,
-0xa8b4,0xac8c,0xe548,0x3ff1
-};
-
-static unsigned short S2[] = {
-0x2b4c,0x8385,0x487f,0xbc68,
-0x237f,0xa1f5,0x420a,0x3c7e,
-0xee75,0x2812,0x6cad,0x3c99,
-0x39af,0x457b,0x637b,0xbcb8,
-0xedf9,0xc086,0xed01,0xbccd,
-0x9513,0x969f,0xb791,0x3cf1,
-0xcd11,0xae46,0xea62,0x3d06,
-0x650f,0xb74a,0xb518,0xbd27,
-0x0713,0x216e,0xa216,0xbd46,
-0x9f2e,0x463a,0x8db0,0x3d57,
-0x0dd5,0x0a69,0xfa6a,0x3d87,
-0x9397,0xd2cd,0x5c47,0x3d7d,
-0xb5d8,0x1fe6,0x33a7,0xbdc3,
-0xa2da,0x9e19,0xcb8f,0xbde5,
-0xe7b9,0xaf5a,0xa42f,0xbde8,
-0xd544,0xb2c4,0x48f2,0x3e1e,
-0x8488,0x3b1d,0x26d1,0x3e52,
-0x084c,0xaf17,0xd46d,0x3e80,
-0x3efc,0xc871,0x8009,0x3eb3,
-0xb36e,0x7f39,0xe2d6,0x3ef0,
-0x73d7,0x1f7d,0xecd8,0x3f36,
-0xb790,0x66d5,0x4ff3,0x3f8a,
-0x9d96,0xe325,0x9625,0x3ff0
-};
-#endif
-
-#ifdef MIEEE
-static unsigned short S1[] = {
-0x3c75,0x3373,0xbd4a,0x01b0,
-0xbc9b,0x8a3d,0x2418,0xb05e,
-0x3cad,0x724d,0x8248,0x7fe6,
-0x3cd3,0xcc1a,0x2c15,0x7515,
-0xbd0d,0x91b5,0xbaaa,0xbda0,
-0x3d30,0xb80c,0xbe40,0xd1ae,
-0xbd23,0x8ba2,0xe110,0xbf82,
-0xbd78,0xa3bb,0x2541,0x3725,
-0x3da4,0xdea5,0x72b0,0x9394,
-0xbdb1,0xc487,0x33b0,0x17f7,
-0xbde8,0x734a,0xce48,0x8aac,
-0x3e17,0x4565,0x0207,0x3862,
-0xbe11,0xbd4b,0xd68b,0xfffc,
-0xbe63,0x2671,0x2f23,0xdf61,
-0x3e83,0x6ff0,0x511c,0xac08,
-0x3eaa,0x3d7c,0x3dcf,0xfea3,
-0xbed6,0xa556,0x5f32,0x24b1,
-0xbf00,0x61be,0x352e,0xd961,
-0x3f17,0x559b,0x473b,0xf3bd,
-0x3f60,0x97f5,0x87db,0x567f,
-0x3f9e,0x5126,0xd464,0xb51b,
-0x3ff1,0xe548,0xac8c,0xa8b4
-};
-
-static unsigned short S2[] = {
-0xbc68,0x487f,0x8385,0x2b4c,
-0x3c7e,0x420a,0xa1f5,0x237f,
-0x3c99,0x6cad,0x2812,0xee75,
-0xbcb8,0x637b,0x457b,0x39af,
-0xbccd,0xed01,0xc086,0xedf9,
-0x3cf1,0xb791,0x969f,0x9513,
-0x3d06,0xea62,0xae46,0xcd11,
-0xbd27,0xb518,0xb74a,0x650f,
-0xbd46,0xa216,0x216e,0x0713,
-0x3d57,0x8db0,0x463a,0x9f2e,
-0x3d87,0xfa6a,0x0a69,0x0dd5,
-0x3d7d,0x5c47,0xd2cd,0x9397,
-0xbdc3,0x33a7,0x1fe6,0xb5d8,
-0xbde5,0xcb8f,0x9e19,0xa2da,
-0xbde8,0xa42f,0xaf5a,0xe7b9,
-0x3e1e,0x48f2,0xb2c4,0xd544,
-0x3e52,0x26d1,0x3b1d,0x8488,
-0x3e80,0xd46d,0xaf17,0x084c,
-0x3eb3,0x8009,0xc871,0x3efc,
-0x3ef0,0xe2d6,0x7f39,0xb36e,
-0x3f36,0xecd8,0x1f7d,0x73d7,
-0x3f8a,0x4ff3,0x66d5,0xb790,
-0x3ff0,0x9625,0xe325,0x9d96
-};
-#endif
-
-
-#ifdef UNK
-/* x exp(-x) chin(x), inverted interval 8 to 18 */
-static double C1[] = {
--8.12435385225864036372E-18,
- 2.17586413290339214377E-17,
- 5.22624394924072204667E-17,
--9.48812110591690559363E-16,
- 5.35546311647465209166E-15,
--1.21009970113732918701E-14,
--6.00865178553447437951E-14,
- 7.16339649156028587775E-13,
--2.93496072607599856104E-12,
--1.40359438136491256904E-12,
- 8.76302288609054966081E-11,
--4.40092476213282340617E-10,
--1.87992075640569295479E-10,
- 1.31458150989474594064E-8,
--4.75513930924765465590E-8,
--2.21775018801848880741E-7,
- 1.94635531373272490962E-6,
- 4.33505889257316408893E-6,
--6.13387001076494349496E-5,
--3.13085477492997465138E-4,
- 4.97164789823116062801E-4,
- 2.64347496031374526641E-2,
- 1.11446150876699213025E0
-};
-
-/* x exp(-x) chin(x), inverted interval 18 to 88 */
-static double C2[] = {
- 8.06913408255155572081E-18,
--2.08074168180148170312E-17,
--5.98111329658272336816E-17,
- 2.68533951085945765591E-16,
- 4.52313941698904694774E-16,
--3.10734917335299464535E-15,
--4.42823207332531972288E-15,
- 3.49639695410806959872E-14,
- 6.63406731718911586609E-14,
--3.71902448093119218395E-13,
--1.27135418132338309016E-12,
- 2.74851141935315395333E-12,
- 2.33781843985453438400E-11,
- 2.71436006377612442764E-11,
--2.56600180000355990529E-10,
--1.61021375163803438552E-9,
--4.72543064876271773512E-9,
--3.00095178028681682282E-9,
- 7.79387474390914922337E-8,
- 1.06942765566401507066E-6,
- 1.59503164802313196374E-5,
- 3.49592575153777996871E-4,
- 1.28475387530065247392E-2,
- 1.03665693917934275131E0
-};
-#endif
-
-#ifdef DEC
-static unsigned short C1[] = {
-0122025,0157055,0021702,0021427,
-0022310,0130043,0123265,0022340,
-0022561,0002231,0017746,0013043,
-0123610,0136375,0002352,0024467,
-0024300,0171555,0141300,0000446,
-0124531,0176777,0126210,0035616,
-0125207,0046604,0167760,0077132,
-0026111,0120666,0026606,0064143,
-0126516,0103615,0054127,0005436,
-0126305,0104721,0025415,0004134,
-0027700,0131556,0164725,0157553,
-0130361,0170602,0077274,0055406,
-0130116,0131420,0125472,0017231,
-0031541,0153747,0177312,0056304,
-0132114,0035517,0041545,0043151,
-0132556,0020415,0110044,0172442,
-0033402,0117041,0031152,0010364,
-0033621,0072737,0050647,0013720,
-0134600,0121366,0140010,0063265,
-0135244,0022637,0013756,0044742,
-0035402,0052052,0006523,0043564,
-0036730,0106660,0020277,0162146,
-0040216,0123254,0135147,0005724
-};
-
-static unsigned short C2[] = {
-0022024,0154550,0104311,0144257,
-0122277,0165037,0133443,0155601,
-0122611,0165102,0157053,0055252,
-0023232,0146235,0153511,0113222,
-0023402,0057340,0145304,0010471,
-0124137,0164171,0113071,0100002,
-0124237,0105473,0056130,0022022,
-0025035,0073266,0056746,0164433,
-0025225,0061313,0055600,0165407,
-0125721,0056312,0107613,0051215,
-0126262,0166534,0115336,0066653,
-0026501,0064307,0127442,0065573,
-0027315,0121375,0142020,0045356,
-0027356,0140764,0070641,0046570,
-0130215,0010503,0146335,0177737,
-0130735,0047134,0015215,0163665,
-0131242,0056523,0155276,0050053,
-0131116,0034515,0050707,0163512,
-0032247,0057507,0107545,0032007,
-0033217,0104501,0021706,0025047,
-0034205,0146413,0033746,0076562,
-0035267,0044605,0065355,0002772,
-0036522,0077173,0130716,0170304,
-0040204,0130454,0130571,0027270
-};
-#endif
-
-#ifdef IBMPC
-static unsigned short C1[] = {
-0x4463,0xa478,0xbbc5,0xbc62,
-0xa49c,0x74d6,0x1604,0x3c79,
-0xc2c4,0x23fc,0x2093,0x3c8e,
-0x4527,0xa09d,0x179f,0xbcd1,
-0x0025,0xb858,0x1e6d,0x3cf8,
-0x0772,0xf591,0x3fbf,0xbd0b,
-0x0fcb,0x9dfe,0xe9b0,0xbd30,
-0xcd0c,0xc5b0,0x3436,0x3d69,
-0xe164,0xab0a,0xd0f1,0xbd89,
-0xa10c,0x2561,0xb13a,0xbd78,
-0xbbed,0xdd3a,0x166d,0x3dd8,
-0x8b61,0x4fd7,0x3e30,0xbdfe,
-0x43d3,0x1567,0xd662,0xbde9,
-0x4b98,0xffd9,0x3afc,0x3e4c,
-0xa8cd,0xe86c,0x8769,0xbe69,
-0x9ea4,0xb204,0xc421,0xbe8d,
-0x421f,0x264d,0x53c4,0x3ec0,
-0xe2fa,0xea34,0x2ebb,0x3ed2,
-0x0cd7,0xd801,0x145e,0xbf10,
-0xc93c,0xe2fd,0x84b3,0xbf34,
-0x68ef,0x41aa,0x4a85,0x3f40,
-0xfc8d,0x0417,0x11b6,0x3f9b,
-0xe17b,0x974c,0xd4d5,0x3ff1
-};
-
-static unsigned short C2[] = {
-0x3916,0x1119,0x9b2d,0x3c62,
-0x7b70,0xf6e4,0xfd43,0xbc77,
-0x6b55,0x5bc5,0x3d48,0xbc91,
-0x32d2,0xbae9,0x5993,0x3cb3,
-0x8227,0x1958,0x4bdc,0x3cc0,
-0x3000,0x32c7,0xfd0f,0xbceb,
-0x0482,0x6b8b,0xf167,0xbcf3,
-0xdd23,0xcbbc,0xaed6,0x3d23,
-0x1d61,0x6b70,0xac59,0x3d32,
-0x6a52,0x51f1,0x2b99,0xbd5a,
-0xcdb5,0x935b,0x5dab,0xbd76,
-0x4d6f,0xf5e4,0x2d18,0x3d88,
-0x095e,0xb882,0xb45f,0x3db9,
-0x29af,0x8e34,0xd83e,0x3dbd,
-0xbffc,0x799b,0xa228,0xbdf1,
-0xbcf7,0x8351,0xa9cb,0xbe1b,
-0xca05,0x7b57,0x4baa,0xbe34,
-0xfce9,0xaa38,0xc729,0xbe29,
-0xa681,0xf1ec,0xebe8,0x3e74,
-0xc545,0x2478,0xf128,0x3eb1,
-0xcfae,0x66fc,0xb9a1,0x3ef0,
-0xa0bf,0xad5d,0xe930,0x3f36,
-0xde19,0x7639,0x4fcf,0x3f8a,
-0x25d7,0x962f,0x9625,0x3ff0
-};
-#endif
-
-#ifdef MIEEE
-static unsigned short C1[] = {
-0xbc62,0xbbc5,0xa478,0x4463,
-0x3c79,0x1604,0x74d6,0xa49c,
-0x3c8e,0x2093,0x23fc,0xc2c4,
-0xbcd1,0x179f,0xa09d,0x4527,
-0x3cf8,0x1e6d,0xb858,0x0025,
-0xbd0b,0x3fbf,0xf591,0x0772,
-0xbd30,0xe9b0,0x9dfe,0x0fcb,
-0x3d69,0x3436,0xc5b0,0xcd0c,
-0xbd89,0xd0f1,0xab0a,0xe164,
-0xbd78,0xb13a,0x2561,0xa10c,
-0x3dd8,0x166d,0xdd3a,0xbbed,
-0xbdfe,0x3e30,0x4fd7,0x8b61,
-0xbde9,0xd662,0x1567,0x43d3,
-0x3e4c,0x3afc,0xffd9,0x4b98,
-0xbe69,0x8769,0xe86c,0xa8cd,
-0xbe8d,0xc421,0xb204,0x9ea4,
-0x3ec0,0x53c4,0x264d,0x421f,
-0x3ed2,0x2ebb,0xea34,0xe2fa,
-0xbf10,0x145e,0xd801,0x0cd7,
-0xbf34,0x84b3,0xe2fd,0xc93c,
-0x3f40,0x4a85,0x41aa,0x68ef,
-0x3f9b,0x11b6,0x0417,0xfc8d,
-0x3ff1,0xd4d5,0x974c,0xe17b
-};
-
-static unsigned short C2[] = {
-0x3c62,0x9b2d,0x1119,0x3916,
-0xbc77,0xfd43,0xf6e4,0x7b70,
-0xbc91,0x3d48,0x5bc5,0x6b55,
-0x3cb3,0x5993,0xbae9,0x32d2,
-0x3cc0,0x4bdc,0x1958,0x8227,
-0xbceb,0xfd0f,0x32c7,0x3000,
-0xbcf3,0xf167,0x6b8b,0x0482,
-0x3d23,0xaed6,0xcbbc,0xdd23,
-0x3d32,0xac59,0x6b70,0x1d61,
-0xbd5a,0x2b99,0x51f1,0x6a52,
-0xbd76,0x5dab,0x935b,0xcdb5,
-0x3d88,0x2d18,0xf5e4,0x4d6f,
-0x3db9,0xb45f,0xb882,0x095e,
-0x3dbd,0xd83e,0x8e34,0x29af,
-0xbdf1,0xa228,0x799b,0xbffc,
-0xbe1b,0xa9cb,0x8351,0xbcf7,
-0xbe34,0x4baa,0x7b57,0xca05,
-0xbe29,0xc729,0xaa38,0xfce9,
-0x3e74,0xebe8,0xf1ec,0xa681,
-0x3eb1,0xf128,0x2478,0xc545,
-0x3ef0,0xb9a1,0x66fc,0xcfae,
-0x3f36,0xe930,0xad5d,0xa0bf,
-0x3f8a,0x4fcf,0x7639,0xde19,
-0x3ff0,0x9625,0x962f,0x25d7
-};
-#endif
-
-
-
-/* Sine and cosine integrals */
-
-#ifdef ANSIPROT
-extern double log ( double );
-extern double exp ( double );
-extern double fabs ( double );
-extern double chbevl ( double, void *, int );
-#else
-double log(), exp(), fabs(), chbevl();
-#endif
-#define EUL 0.57721566490153286061
-extern double MACHEP, MAXNUM, PIO2;
-
-int shichi( x, si, ci )
-double x;
-double *si, *ci;
-{
-double k, z, c, s, a;
-short sign;
-
-if( x < 0.0 )
- {
- sign = -1;
- x = -x;
- }
-else
- sign = 0;
-
-
-if( x == 0.0 )
- {
- *si = 0.0;
- *ci = -MAXNUM;
- return( 0 );
- }
-
-if( x >= 8.0 )
- goto chb;
-
-z = x * x;
-
-/* Direct power series expansion */
-
-a = 1.0;
-s = 1.0;
-c = 0.0;
-k = 2.0;
-
-do
- {
- a *= z/k;
- c += a/k;
- k += 1.0;
- a /= k;
- s += a/k;
- k += 1.0;
- }
-while( fabs(a/s) > MACHEP );
-
-s *= x;
-goto done;
-
-
-chb:
-
-if( x < 18.0 )
- {
- a = (576.0/x - 52.0)/10.0;
- k = exp(x) / x;
- s = k * chbevl( a, S1, 22 );
- c = k * chbevl( a, C1, 23 );
- goto done;
- }
-
-if( x <= 88.0 )
- {
- a = (6336.0/x - 212.0)/70.0;
- k = exp(x) / x;
- s = k * chbevl( a, S2, 23 );
- c = k * chbevl( a, C2, 24 );
- goto done;
- }
-else
- {
- if( sign )
- *si = -MAXNUM;
- else
- *si = MAXNUM;
- *ci = MAXNUM;
- return(0);
- }
-done:
-if( sign )
- s = -s;
-
-*si = s;
-
-*ci = EUL + log(x) + c;
-return(0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 21:29:33 +0000