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154 lines
3.1 KiB
C
154 lines
3.1 KiB
C
/* voc 1.95 [2016/09/22] for gcc LP64 on cygwin xtspaSfF */
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#define INTEGER int32
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#define LONGINT int64
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#define SET uint64
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#include "SYSTEM.h"
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static void Reals_BytesToHex (SYSTEM_BYTE *b, LONGINT b__len, SYSTEM_BYTE *d, LONGINT d__len);
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export void Reals_Convert (REAL x, int32 n, CHAR *d, LONGINT d__len);
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export void Reals_ConvertH (REAL y, CHAR *d, LONGINT d__len);
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export void Reals_ConvertHL (LONGREAL x, CHAR *d, LONGINT d__len);
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export void Reals_ConvertL (LONGREAL x, int32 n, CHAR *d, LONGINT d__len);
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export int32 Reals_Expo (REAL x);
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export int32 Reals_ExpoL (LONGREAL x);
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export void Reals_SetExpo (REAL *x, int32 ex);
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export REAL Reals_Ten (int32 e);
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export LONGREAL Reals_TenL (int32 e);
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static CHAR Reals_ToHex (int32 i);
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REAL Reals_Ten (int32 e)
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{
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REAL _o_result;
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LONGREAL r, power;
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r = (LONGREAL)1;
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power = (LONGREAL)10;
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while (e > 0) {
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if (__ODD(e)) {
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r = r * power;
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}
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power = power * power;
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e = __ASHR(e, 1);
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}
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_o_result = r;
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return _o_result;
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}
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LONGREAL Reals_TenL (int32 e)
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{
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LONGREAL _o_result;
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LONGREAL r, power;
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r = (LONGREAL)1;
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power = (LONGREAL)10;
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for (;;) {
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if (__ODD(e)) {
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r = r * power;
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}
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e = __ASHR(e, 1);
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if (e <= 0) {
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_o_result = r;
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return _o_result;
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}
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power = power * power;
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}
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__RETCHK;
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}
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int32 Reals_Expo (REAL x)
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{
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int32 _o_result;
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int32 i;
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__GET((address)&x + 2, i, int32);
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_o_result = __MASK(__ASHR(i, 7), -256);
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return _o_result;
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}
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void Reals_SetExpo (REAL *x, int32 ex)
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{
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CHAR c;
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__GET((address)x + 3, c, CHAR);
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__PUT((address)x + 3, (CHAR)(__ASHL(__ASHR(c, 7), 7) + __MASK(__ASHR(ex, 1), -128)), CHAR);
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__GET((address)x + 2, c, CHAR);
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__PUT((address)x + 2, (CHAR)(__MASK(c, -128) + __ASHL(__MASK(ex, -2), 7)), CHAR);
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}
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int32 Reals_ExpoL (LONGREAL x)
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{
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int32 _o_result;
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int32 i;
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__GET((address)&x + 6, i, int32);
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_o_result = __MASK(__ASHR(i, 4), -2048);
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return _o_result;
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}
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void Reals_ConvertL (LONGREAL x, int32 n, CHAR *d, LONGINT d__len)
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{
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int64 i, j, k;
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if (x < (LONGREAL)0) {
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x = -x;
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}
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k = 0;
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i = __ENTIER(x);
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while (k < (int64)n) {
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d[__X(k, d__len)] = (CHAR)(__MOD(i, 10) + 48);
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i = __DIV(i, 10);
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k += 1;
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}
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}
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void Reals_Convert (REAL x, int32 n, CHAR *d, LONGINT d__len)
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{
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Reals_ConvertL(x, n, (void*)d, d__len);
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}
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static CHAR Reals_ToHex (int32 i)
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{
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CHAR _o_result;
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if (i < 10) {
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_o_result = (CHAR)(i + 48);
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return _o_result;
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} else {
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_o_result = (CHAR)(i + 55);
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return _o_result;
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}
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__RETCHK;
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}
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static void Reals_BytesToHex (SYSTEM_BYTE *b, LONGINT b__len, SYSTEM_BYTE *d, LONGINT d__len)
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{
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int32 i;
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int64 l;
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CHAR by;
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i = 0;
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l = b__len;
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while ((int64)i < l) {
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by = __VAL(CHAR, b[__X(i, b__len)]);
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d[__X(__ASHL(i, 1), d__len)] = Reals_ToHex(__ASHR(by, 4));
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d[__X(__ASHL(i, 1) + 1, d__len)] = Reals_ToHex(__MASK(by, -16));
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i += 1;
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}
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}
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void Reals_ConvertH (REAL y, CHAR *d, LONGINT d__len)
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{
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Reals_BytesToHex((void*)&y, 4, (void*)d, d__len * 1);
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}
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void Reals_ConvertHL (LONGREAL x, CHAR *d, LONGINT d__len)
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{
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Reals_BytesToHex((void*)&x, 8, (void*)d, d__len * 1);
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}
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export void *Reals__init(void)
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{
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__DEFMOD;
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__REGMOD("Reals", 0);
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/* BEGIN */
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__ENDMOD;
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}
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