mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-09-20 04:24:48 +00:00
Move _MK and _CV implementation functions to separate cpp
This commit is contained in:
parent
01b4209c1b
commit
b9a4bec188
5 changed files with 574 additions and 545 deletions
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@ -6847,7 +6847,6 @@ int32 lock_display_required = 0;
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#define cost_delay 0
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uint32 cost = 0;
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#include "msbin.c"
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int64 build_int64(uint32 val2, uint32 val1) {
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static int64 val;
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@ -7202,276 +7201,6 @@ qbs *func_varptr_helper(uint8 type, uint16 offset) {
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return tqbs;
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}
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qbs *func_mksmbf(float val) {
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static qbs *tqbs;
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tqbs = qbs_new(4, 1);
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if (_fieeetomsbin(&val, (float *)tqbs->chr) == 1) {
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error(5);
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tqbs->len = 0;
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}
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return tqbs;
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}
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qbs *func_mkdmbf(double val) {
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static qbs *tqbs;
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tqbs = qbs_new(8, 1);
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if (_dieeetomsbin(&val, (double *)tqbs->chr) == 1) {
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error(5);
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tqbs->len = 0;
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}
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return tqbs;
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}
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float func_cvsmbf(qbs *str) {
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static float val;
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if (str->len < 4) {
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error(5);
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return 0;
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}
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if (_fmsbintoieee((float *)str->chr, &val) == 1) {
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error(5);
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return 0;
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}
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return val;
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}
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double func_cvdmbf(qbs *str) {
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static double val;
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if (str->len < 8) {
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error(5);
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return 0;
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}
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if (_dmsbintoieee((double *)str->chr, &val) == 1) {
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error(5);
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return 0;
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}
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return val;
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}
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qbs *b2string(char v) {
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static qbs *tqbs;
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tqbs = qbs_new(1, 1);
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*((char *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *ub2string(char v) {
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static qbs *tqbs;
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tqbs = qbs_new(1, 1);
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*((uint8 *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *i2string(int16 v) {
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static qbs *tqbs;
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tqbs = qbs_new(2, 1);
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*((int16 *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *ui2string(int16 v) {
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static qbs *tqbs;
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tqbs = qbs_new(2, 1);
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*((uint16 *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *l2string(int32 v) {
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static qbs *tqbs;
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tqbs = qbs_new(4, 1);
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*((int32 *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *ul2string(uint32 v) {
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static qbs *tqbs;
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tqbs = qbs_new(4, 1);
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*((uint32 *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *i642string(int64 v) {
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static qbs *tqbs;
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tqbs = qbs_new(8, 1);
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*((int64 *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *ui642string(uint64 v) {
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static qbs *tqbs;
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tqbs = qbs_new(8, 1);
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*((uint64 *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *s2string(float v) {
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static qbs *tqbs;
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tqbs = qbs_new(4, 1);
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*((float *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *d2string(double v) {
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static qbs *tqbs;
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tqbs = qbs_new(8, 1);
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*((double *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *f2string(long double v) {
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static qbs *tqbs;
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tqbs = qbs_new(32, 1);
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memset(tqbs->chr, 0, 32);
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*((long double *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *o2string(ptrszint v) {
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static qbs *tqbs;
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tqbs = qbs_new(sizeof(ptrszint), 1);
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memset(tqbs->chr, 0, sizeof(ptrszint));
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*((ptrszint *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *uo2string(uptrszint v) {
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static qbs *tqbs;
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tqbs = qbs_new(sizeof(uptrszint), 1);
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memset(tqbs->chr, 0, sizeof(uptrszint));
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*((uptrszint *)(tqbs->chr)) = v;
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return tqbs;
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}
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qbs *bit2string(uint32 bsize, int64 v) {
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static qbs *tqbs;
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tqbs = qbs_new(8, 1);
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int64 bmask;
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bmask = ~(-(((int64)1) << bsize));
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*((int64 *)(tqbs->chr)) = v & bmask;
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tqbs->len = (bsize + 7) >> 3;
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return tqbs;
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}
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qbs *ubit2string(uint32 bsize, uint64 v) {
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static qbs *tqbs;
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int64 bmask;
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tqbs = qbs_new(8, 1);
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bmask = ~(-(((int64)1) << bsize));
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*((uint64 *)(tqbs->chr)) = v & bmask;
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tqbs->len = (bsize + 7) >> 3;
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return tqbs;
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}
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char string2b(qbs *str) {
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if (str->len < 1) {
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error(5);
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return 0;
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} else {
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return *((char *)str->chr);
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}
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}
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uint8 string2ub(qbs *str) {
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if (str->len < 1) {
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error(5);
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return 0;
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} else {
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return *((uint8 *)str->chr);
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}
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}
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int16 string2i(qbs *str) {
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if (str->len < 2) {
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error(5);
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return 0;
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} else {
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return *((int16 *)str->chr);
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}
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}
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uint16 string2ui(qbs *str) {
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if (str->len < 2) {
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error(5);
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return 0;
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} else {
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return *((uint16 *)str->chr);
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}
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}
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int32 string2l(qbs *str) {
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if (str->len < 4) {
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error(5);
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return 0;
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} else {
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return *((int32 *)str->chr);
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}
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}
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uint32 string2ul(qbs *str) {
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if (str->len < 4) {
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error(5);
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return 0;
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} else {
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return *((uint32 *)str->chr);
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}
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}
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int64 string2i64(qbs *str) {
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if (str->len < 8) {
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error(5);
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return 0;
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} else {
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return *((int64 *)str->chr);
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}
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}
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uint64 string2ui64(qbs *str) {
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if (str->len < 8) {
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error(5);
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return 0;
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} else {
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return *((uint64 *)str->chr);
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}
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}
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float string2s(qbs *str) {
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if (str->len < 4) {
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error(5);
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return 0;
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} else {
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return *((float *)str->chr);
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}
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}
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double string2d(qbs *str) {
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if (str->len < 8) {
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error(5);
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return 0;
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} else {
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return *((double *)str->chr);
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}
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}
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long double string2f(qbs *str) {
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if (str->len < 32) {
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error(5);
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return 0;
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} else {
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return *((long double *)str->chr);
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}
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}
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ptrszint string2o(qbs *str) {
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if (str->len < sizeof(ptrszint)) {
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error(5);
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return 0;
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} else {
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return *((ptrszint *)str->chr);
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}
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}
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uptrszint string2uo(qbs *str) {
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if (str->len < sizeof(uptrszint)) {
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error(5);
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return 0;
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} else {
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return *((uptrszint *)str->chr);
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}
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}
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uint64 string2ubit(qbs *str, uint32 bsize) {
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int64 bmask;
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if (str->len < ((bsize + 7) >> 3)) {
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error(5);
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return 0;
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}
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bmask = ~(-(((int64)1) << bsize));
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return (*(uint64 *)str->chr) & bmask;
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}
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int64 string2bit(qbs *str, uint32 bsize) {
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int64 bmask, bval64;
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if (str->len < ((bsize + 7) >> 3)) {
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error(5);
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return 0;
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}
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bmask = ~(-(((int64)1) << bsize));
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bval64 = (*(uint64 *)str->chr) & bmask;
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if (bval64 & (((int64)1) << (bsize - 1)))
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return (bval64 | (~bmask));
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return bval64;
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}
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qbs *qbs_inkey() {
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if (is_error_pending())
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return qbs_new(0, 1);
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@ -13,6 +13,7 @@ libqb-objs-y += $(PATH_LIBQB)/src/rounding.o
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libqb-objs-y += $(PATH_LIBQB)/src/qbs.o
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libqb-objs-y += $(PATH_LIBQB)/src/qbs_str.o
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libqb-objs-y += $(PATH_LIBQB)/src/qbs_cmem.o
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libqb-objs-y += $(PATH_LIBQB)/src/qbs_mk_cv.o
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libqb-objs-y += $(PATH_LIBQB)/src/string_functions.o
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libqb-objs-$(DEP_HTTP) += $(PATH_LIBQB)/src/http.o
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42
internal/c/libqb/include/qbs-mk-cv.h
Normal file
42
internal/c/libqb/include/qbs-mk-cv.h
Normal file
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@ -0,0 +1,42 @@
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#pragma once
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#include <stdint.h>
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#include "qbs.h"
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qbs *func_mksmbf(float val);
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qbs *func_mkdmbf(double val);
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float func_cvsmbf(qbs *str);
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double func_cvdmbf(qbs *str);
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qbs *b2string(char v);
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qbs *ub2string(char v);
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qbs *i2string(int16_t v);
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qbs *ui2string(int16_t v);
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qbs *l2string(int32_t v);
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qbs *ul2string(uint32_t v);
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qbs *i642string(int64_t v);
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qbs *ui642string(uint64_t v);
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qbs *s2string(float v);
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qbs *d2string(double v);
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qbs *f2string(long double v);
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qbs *o2string(intptr_t v);
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qbs *uo2string(uintptr_t v);
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qbs *bit2string(uint32_t bsize, int64_t v);
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qbs *ubit2string(uint32_t bsize, uint64_t v);
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char string2b(qbs *str);
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uint8_t string2ub(qbs *str);
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int16_t string2i(qbs *str);
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uint16_t string2ui(qbs *str);
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int32_t string2l(qbs *str);
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uint32_t string2ul(qbs *str);
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int64_t string2i64(qbs *str);
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uint64_t string2ui64(qbs *str);
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float string2s(qbs *str);
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double string2d(qbs *str);
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long double string2f(qbs *str);
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intptr_t string2o(qbs *str);
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uintptr_t string2uo(qbs *str);
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uint64_t string2ubit(qbs *str, uint32_t bsize);
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int64_t string2bit(qbs *str, uint32_t bsize);
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@ -1,240 +1,530 @@
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//
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// The following are implementations of Microsoft RTL functions not
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// include in the Borland RTL.
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//
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// Functions:
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// _fmsbintoieee()
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// _fieeetomsbin()
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// _dmsbintoieee()
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// _dieeetomsbin()
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//
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// These functions convert back and forth from Microsoft Binary Format
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// to IEEE floating point format.
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//
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// As with the Microsoft RTL functions,
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//
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// The argument srcX points to the value to be converted and the
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// result is stored at the location given at destX.
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//
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// These routines do not handle IEE NAN's and infinities. IEEE
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// denormals are treated as 0's.
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//
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// Return:
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//
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// These functions return 0 if the conversion is successful and 1
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// if the conversion causes an overflow.
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//
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//
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//
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// Examples of the use of these functions can be found online as
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// MSBIN.ZIP.
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//
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//--------------------------------------------------------------------
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//#include <string.h> /* for strncpy */
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int32 _fmsbintoieee(float *src4, float *dest4) {
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unsigned char *msbin = (unsigned char *)src4;
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unsigned char *ieee = (unsigned char *)dest4;
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unsigned char sign = 0x00;
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unsigned char ieee_exp = 0x00;
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int32 i;
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/* MS Binary Format */
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/* byte order => m3 | m2 | m1 | exponent */
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/* m1 is most significant byte => sbbb|bbbb */
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/* m3 is the least significant byte */
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/* m = mantissa byte */
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/* s = sign bit */
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/* b = bit */
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sign = msbin[2] & 0x80; /* 1000|0000b */
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/* IEEE Single Precision Float Format */
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/* m3 m2 m1 exponent */
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/* mmmm|mmmm mmmm|mmmm emmm|mmmm seee|eeee */
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/* s = sign bit */
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/* e = exponent bit */
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/* m = mantissa bit */
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for (i = 0; i < 4; i++)
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ieee[i] = 0;
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/* any msbin w/ exponent of zero = zero */
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if (msbin[3] == 0)
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return 0;
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ieee[3] |= sign;
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/* MBF is bias 128 and IEEE is bias 127. ALSO, MBF places */
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/* the decimal point before the assumed bit, while */
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/* IEEE places the decimal point after the assumed bit. */
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ieee_exp = msbin[3] - 2; /* actually, msbin[3]-1-128+127 */
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/* the first 7 bits of the exponent in ieee[3] */
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ieee[3] |= ieee_exp >> 1;
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/* the one remaining bit in first bin of ieee[2] */
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ieee[2] |= ieee_exp << 7;
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/* 0111|1111b : mask out the msbin sign bit */
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ieee[2] |= msbin[2] & 0x7f;
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ieee[1] = msbin[1];
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ieee[0] = msbin[0];
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return 0;
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}
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int32 _fieeetomsbin(float *src4, float *dest4) {
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unsigned char *ieee = (unsigned char *)src4;
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unsigned char *msbin = (unsigned char *)dest4;
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unsigned char sign = 0x00;
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unsigned char msbin_exp = 0x00;
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int32 i;
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/* See _fmsbintoieee() for details of formats */
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sign = ieee[3] & 0x80;
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msbin_exp |= ieee[3] << 1;
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msbin_exp |= ieee[2] >> 7;
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/* An ieee exponent of 0xfe overflows in MBF */
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if (msbin_exp == 0xfe)
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return 1;
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msbin_exp += 2; /* actually, -127 + 128 + 1 */
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for (i = 0; i < 4; i++)
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msbin[i] = 0;
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msbin[3] = msbin_exp;
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msbin[2] |= sign;
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msbin[2] |= ieee[2] & 0x7f;
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msbin[1] = ieee[1];
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msbin[0] = ieee[0];
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return 0;
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}
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int32 _dmsbintoieee(double *src8, double *dest8) {
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unsigned char msbin[8];
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unsigned char *ieee = (unsigned char *)dest8;
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unsigned char sign = 0x00;
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uint32 ieee_exp = 0x0000;
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int32 i;
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/* A manipulatable copy of the msbin number */
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memcpy(msbin, src8, 8); // strncpy((char *)msbin,(char *)src8,8);
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/* MS Binary Format */
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/* byte order => m7 | m6 | m5 | m4 | m3 | m2 | m1 | exponent */
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/* m1 is most significant byte => smmm|mmmm */
|
||||
/* m7 is the least significant byte */
|
||||
/* m = mantissa byte */
|
||||
/* s = sign bit */
|
||||
/* b = bit */
|
||||
|
||||
sign = msbin[6] & 0x80; /* 1000|0000b */
|
||||
|
||||
/* IEEE Single Precision Float Format */
|
||||
/* byte 8 byte 7 byte 6 byte 5 byte 4 and so on */
|
||||
/* seee|eeee eeee|mmmm mmmm|mmmm mmmm|mmmm mmmm|mmmm ... */
|
||||
/* s = sign bit */
|
||||
/* e = exponent bit */
|
||||
/* m = mantissa bit */
|
||||
|
||||
for (i = 0; i < 8; i++)
|
||||
ieee[i] = 0;
|
||||
|
||||
/* any msbin w/ exponent of zero = zero */
|
||||
if (msbin[7] == 0)
|
||||
return 0;
|
||||
|
||||
ieee[7] |= sign;
|
||||
|
||||
/* MBF is bias 128 and IEEE is bias 1023. ALSO, MBF places */
|
||||
/* the decimal point before the assumed bit, while */
|
||||
/* IEEE places the decimal point after the assumed bit. */
|
||||
|
||||
ieee_exp = msbin[7] - 128 - 1 + 1023;
|
||||
|
||||
/* First 4 bits of the msbin exponent */
|
||||
/* go into the last 4 bits of ieee[7] */
|
||||
ieee[7] |= ieee_exp >> 4;
|
||||
|
||||
/* The last 4 bits of msbin exponent */
|
||||
/* go into the first 4 bits of ieee[6] */
|
||||
ieee[6] |= ieee_exp << 4;
|
||||
|
||||
/* The msbin mantissa must be shifted to the right 1 bit. */
|
||||
/* Remember that the msbin number has its bytes reversed. */
|
||||
for (i = 6; i > 0; i--) {
|
||||
msbin[i] <<= 1;
|
||||
msbin[i] |= msbin[i - 1] >> 7;
|
||||
}
|
||||
msbin[0] <<= 1;
|
||||
|
||||
/* Now the mantissa is put into the ieee array starting in */
|
||||
/* the middle of the second to last byte. */
|
||||
|
||||
for (i = 6; i > 0; i--) {
|
||||
ieee[i] |= msbin[i] >> 4;
|
||||
ieee[i - 1] |= msbin[i] << 4;
|
||||
}
|
||||
ieee[0] |= msbin[0] >> 4;
|
||||
|
||||
/* IEEE has a half byte less for its mantissa. If the msbin */
|
||||
/* number has anything in this last half byte, then there is an */
|
||||
/* overflow. */
|
||||
if (msbin[0] & 0x0f)
|
||||
return 1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
int32 _dieeetomsbin(double *src8, double *dest8) {
|
||||
unsigned char ieee[8];
|
||||
unsigned char *msbin = (unsigned char *)dest8;
|
||||
unsigned char sign = 0x00;
|
||||
unsigned char any_on = 0x00;
|
||||
uint32 msbin_exp = 0x0000;
|
||||
int32 i;
|
||||
|
||||
/* Make a clobberable copy of the source number */
|
||||
memcpy(ieee, src8, 8); // strncpy((char *)ieee,(char *)src8,8);
|
||||
|
||||
memset(msbin, 0, sizeof(*dest8)); // for (i=0; i<8; i++) msbin[i] = 0;
|
||||
|
||||
/* If all are zero in src8, the msbin should be zero */
|
||||
for (i = 0; i < 8; i++)
|
||||
any_on |= ieee[i];
|
||||
if (!any_on) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
sign = ieee[7] & 0x80;
|
||||
msbin[6] |= sign;
|
||||
msbin_exp = (unsigned)(ieee[7] & 0x7f) << 4; //(unsigned)(ieee[7] & 0x7f) * 0x10;
|
||||
msbin_exp += ieee[6] >> 4;
|
||||
|
||||
// verify the exponent is in range for MBF encoding
|
||||
msbin_exp = msbin_exp - 0x3ff + 0x80 + 1;
|
||||
if ((msbin_exp & 0xff00) != 0)
|
||||
return 1;
|
||||
msbin[7] = msbin_exp;
|
||||
// if (msbin_exp-0x3ff > 0x80) return 1;
|
||||
// msbin[7] = msbin_exp - 0x3ff + 0x80 + 1;
|
||||
|
||||
/* The ieee mantissa must be shifted up 3 bits */
|
||||
ieee[6] &= 0x0f; /* mask out the exponent in the second byte */
|
||||
for (i = 6; i > 0; i--) {
|
||||
msbin[i] |= ieee[i] << 3;
|
||||
msbin[i] |= ieee[i - 1] >> 5;
|
||||
}
|
||||
|
||||
msbin[0] |= ieee[0] << 3;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#include "libqb-common.h"
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "error_handle.h"
|
||||
#include "qbs-mk-cv.h"
|
||||
|
||||
//
|
||||
// The following are implementations of Microsoft RTL functions not
|
||||
// include in the Borland RTL.
|
||||
//
|
||||
// Functions:
|
||||
// _fmsbintoieee()
|
||||
// _fieeetomsbin()
|
||||
// _dmsbintoieee()
|
||||
// _dieeetomsbin()
|
||||
//
|
||||
// These functions convert back and forth from Microsoft Binary Format
|
||||
// to IEEE floating point format.
|
||||
//
|
||||
// As with the Microsoft RTL functions,
|
||||
//
|
||||
// The argument srcX points to the value to be converted and the
|
||||
// result is stored at the location given at destX.
|
||||
//
|
||||
// These routines do not handle IEE NAN's and infinities. IEEE
|
||||
// denormals are treated as 0's.
|
||||
//
|
||||
// Return:
|
||||
//
|
||||
// These functions return 0 if the conversion is successful and 1
|
||||
// if the conversion causes an overflow.
|
||||
//
|
||||
//
|
||||
//
|
||||
// Examples of the use of these functions can be found online as
|
||||
// MSBIN.ZIP.
|
||||
//
|
||||
//--------------------------------------------------------------------
|
||||
|
||||
static int32_t _fmsbintoieee(float *src4, float *dest4) {
|
||||
unsigned char *msbin = (unsigned char *)src4;
|
||||
unsigned char *ieee = (unsigned char *)dest4;
|
||||
unsigned char sign = 0x00;
|
||||
unsigned char ieee_exp = 0x00;
|
||||
int32_t i;
|
||||
|
||||
/* MS Binary Format */
|
||||
/* byte order => m3 | m2 | m1 | exponent */
|
||||
/* m1 is most significant byte => sbbb|bbbb */
|
||||
/* m3 is the least significant byte */
|
||||
/* m = mantissa byte */
|
||||
/* s = sign bit */
|
||||
/* b = bit */
|
||||
|
||||
sign = msbin[2] & 0x80; /* 1000|0000b */
|
||||
|
||||
/* IEEE Single Precision Float Format */
|
||||
/* m3 m2 m1 exponent */
|
||||
/* mmmm|mmmm mmmm|mmmm emmm|mmmm seee|eeee */
|
||||
/* s = sign bit */
|
||||
/* e = exponent bit */
|
||||
/* m = mantissa bit */
|
||||
|
||||
for (i = 0; i < 4; i++)
|
||||
ieee[i] = 0;
|
||||
|
||||
/* any msbin w/ exponent of zero = zero */
|
||||
if (msbin[3] == 0)
|
||||
return 0;
|
||||
|
||||
ieee[3] |= sign;
|
||||
|
||||
/* MBF is bias 128 and IEEE is bias 127. ALSO, MBF places */
|
||||
/* the decimal point before the assumed bit, while */
|
||||
/* IEEE places the decimal point after the assumed bit. */
|
||||
|
||||
ieee_exp = msbin[3] - 2; /* actually, msbin[3]-1-128+127 */
|
||||
|
||||
/* the first 7 bits of the exponent in ieee[3] */
|
||||
ieee[3] |= ieee_exp >> 1;
|
||||
|
||||
/* the one remaining bit in first bin of ieee[2] */
|
||||
ieee[2] |= ieee_exp << 7;
|
||||
|
||||
/* 0111|1111b : mask out the msbin sign bit */
|
||||
ieee[2] |= msbin[2] & 0x7f;
|
||||
|
||||
ieee[1] = msbin[1];
|
||||
ieee[0] = msbin[0];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int32_t _fieeetomsbin(float *src4, float *dest4) {
|
||||
unsigned char *ieee = (unsigned char *)src4;
|
||||
unsigned char *msbin = (unsigned char *)dest4;
|
||||
unsigned char sign = 0x00;
|
||||
unsigned char msbin_exp = 0x00;
|
||||
int32_t i;
|
||||
|
||||
/* See _fmsbintoieee() for details of formats */
|
||||
sign = ieee[3] & 0x80;
|
||||
msbin_exp |= ieee[3] << 1;
|
||||
msbin_exp |= ieee[2] >> 7;
|
||||
|
||||
/* An ieee exponent of 0xfe overflows in MBF */
|
||||
if (msbin_exp == 0xfe)
|
||||
return 1;
|
||||
|
||||
msbin_exp += 2; /* actually, -127 + 128 + 1 */
|
||||
|
||||
for (i = 0; i < 4; i++)
|
||||
msbin[i] = 0;
|
||||
|
||||
msbin[3] = msbin_exp;
|
||||
|
||||
msbin[2] |= sign;
|
||||
msbin[2] |= ieee[2] & 0x7f;
|
||||
msbin[1] = ieee[1];
|
||||
msbin[0] = ieee[0];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int32_t _dmsbintoieee(double *src8, double *dest8) {
|
||||
unsigned char msbin[8];
|
||||
unsigned char *ieee = (unsigned char *)dest8;
|
||||
unsigned char sign = 0x00;
|
||||
uint32_t ieee_exp = 0x0000;
|
||||
int32_t i;
|
||||
|
||||
/* A manipulatable copy of the msbin number */
|
||||
memcpy(msbin, src8, 8); // strncpy((char *)msbin,(char *)src8,8);
|
||||
|
||||
/* MS Binary Format */
|
||||
/* byte order => m7 | m6 | m5 | m4 | m3 | m2 | m1 | exponent */
|
||||
/* m1 is most significant byte => smmm|mmmm */
|
||||
/* m7 is the least significant byte */
|
||||
/* m = mantissa byte */
|
||||
/* s = sign bit */
|
||||
/* b = bit */
|
||||
|
||||
sign = msbin[6] & 0x80; /* 1000|0000b */
|
||||
|
||||
/* IEEE Single Precision Float Format */
|
||||
/* byte 8 byte 7 byte 6 byte 5 byte 4 and so on */
|
||||
/* seee|eeee eeee|mmmm mmmm|mmmm mmmm|mmmm mmmm|mmmm ... */
|
||||
/* s = sign bit */
|
||||
/* e = exponent bit */
|
||||
/* m = mantissa bit */
|
||||
|
||||
for (i = 0; i < 8; i++)
|
||||
ieee[i] = 0;
|
||||
|
||||
/* any msbin w/ exponent of zero = zero */
|
||||
if (msbin[7] == 0)
|
||||
return 0;
|
||||
|
||||
ieee[7] |= sign;
|
||||
|
||||
/* MBF is bias 128 and IEEE is bias 1023. ALSO, MBF places */
|
||||
/* the decimal point before the assumed bit, while */
|
||||
/* IEEE places the decimal point after the assumed bit. */
|
||||
|
||||
ieee_exp = msbin[7] - 128 - 1 + 1023;
|
||||
|
||||
/* First 4 bits of the msbin exponent */
|
||||
/* go into the last 4 bits of ieee[7] */
|
||||
ieee[7] |= ieee_exp >> 4;
|
||||
|
||||
/* The last 4 bits of msbin exponent */
|
||||
/* go into the first 4 bits of ieee[6] */
|
||||
ieee[6] |= ieee_exp << 4;
|
||||
|
||||
/* The msbin mantissa must be shifted to the right 1 bit. */
|
||||
/* Remember that the msbin number has its bytes reversed. */
|
||||
for (i = 6; i > 0; i--) {
|
||||
msbin[i] <<= 1;
|
||||
msbin[i] |= msbin[i - 1] >> 7;
|
||||
}
|
||||
msbin[0] <<= 1;
|
||||
|
||||
/* Now the mantissa is put into the ieee array starting in */
|
||||
/* the middle of the second to last byte. */
|
||||
|
||||
for (i = 6; i > 0; i--) {
|
||||
ieee[i] |= msbin[i] >> 4;
|
||||
ieee[i - 1] |= msbin[i] << 4;
|
||||
}
|
||||
ieee[0] |= msbin[0] >> 4;
|
||||
|
||||
/* IEEE has a half byte less for its mantissa. If the msbin */
|
||||
/* number has anything in this last half byte, then there is an */
|
||||
/* overflow. */
|
||||
if (msbin[0] & 0x0f)
|
||||
return 1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int32_t _dieeetomsbin(double *src8, double *dest8) {
|
||||
unsigned char ieee[8];
|
||||
unsigned char *msbin = (unsigned char *)dest8;
|
||||
unsigned char sign = 0x00;
|
||||
unsigned char any_on = 0x00;
|
||||
uint32_t msbin_exp = 0x0000;
|
||||
int32_t i;
|
||||
|
||||
/* Make a clobberable copy of the source number */
|
||||
memcpy(ieee, src8, 8); // strncpy((char *)ieee,(char *)src8,8);
|
||||
|
||||
memset(msbin, 0, sizeof(*dest8)); // for (i=0; i<8; i++) msbin[i] = 0;
|
||||
|
||||
/* If all are zero in src8, the msbin should be zero */
|
||||
for (i = 0; i < 8; i++)
|
||||
any_on |= ieee[i];
|
||||
if (!any_on) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
sign = ieee[7] & 0x80;
|
||||
msbin[6] |= sign;
|
||||
msbin_exp = (unsigned)(ieee[7] & 0x7f) << 4; //(unsigned)(ieee[7] & 0x7f) * 0x10;
|
||||
msbin_exp += ieee[6] >> 4;
|
||||
|
||||
// verify the exponent is in range for MBF encoding
|
||||
msbin_exp = msbin_exp - 0x3ff + 0x80 + 1;
|
||||
if ((msbin_exp & 0xff00) != 0)
|
||||
return 1;
|
||||
msbin[7] = msbin_exp;
|
||||
// if (msbin_exp-0x3ff > 0x80) return 1;
|
||||
// msbin[7] = msbin_exp - 0x3ff + 0x80 + 1;
|
||||
|
||||
/* The ieee mantissa must be shifted up 3 bits */
|
||||
ieee[6] &= 0x0f; /* mask out the exponent in the second byte */
|
||||
for (i = 6; i > 0; i--) {
|
||||
msbin[i] |= ieee[i] << 3;
|
||||
msbin[i] |= ieee[i - 1] >> 5;
|
||||
}
|
||||
|
||||
msbin[0] |= ieee[0] << 3;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
qbs *func_mksmbf(float val) {
|
||||
qbs *tqbs = qbs_new(4, 1);
|
||||
if (_fieeetomsbin(&val, (float *)tqbs->chr) == 1) {
|
||||
error(5);
|
||||
tqbs->len = 0;
|
||||
}
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *func_mkdmbf(double val) {
|
||||
qbs *tqbs = qbs_new(8, 1);
|
||||
if (_dieeetomsbin(&val, (double *)tqbs->chr) == 1) {
|
||||
error(5);
|
||||
tqbs->len = 0;
|
||||
}
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
float func_cvsmbf(qbs *str) {
|
||||
float val;
|
||||
if (str->len < 4) {
|
||||
error(5);
|
||||
return 0;
|
||||
}
|
||||
if (_fmsbintoieee((float *)str->chr, &val) == 1) {
|
||||
error(5);
|
||||
return 0;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
double func_cvdmbf(qbs *str) {
|
||||
double val;
|
||||
if (str->len < 8) {
|
||||
error(5);
|
||||
return 0;
|
||||
}
|
||||
if (_dmsbintoieee((double *)str->chr, &val) == 1) {
|
||||
error(5);
|
||||
return 0;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
qbs *b2string(char v) {
|
||||
qbs *tqbs = qbs_new(1, 1);
|
||||
*((char *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *ub2string(char v) {
|
||||
qbs *tqbs = qbs_new(1, 1);
|
||||
*((uint8_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *i2string(int16_t v) {
|
||||
qbs *tqbs = qbs_new(2, 1);
|
||||
*((int16_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *ui2string(int16_t v) {
|
||||
qbs *tqbs = qbs_new(2, 1);
|
||||
*((uint16_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *l2string(int32_t v) {
|
||||
qbs *tqbs = qbs_new(4, 1);
|
||||
*((int32_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *ul2string(uint32_t v) {
|
||||
qbs *tqbs = qbs_new(4, 1);
|
||||
*((uint32_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *i642string(int64_t v) {
|
||||
qbs *tqbs = qbs_new(8, 1);
|
||||
*((int64_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *ui642string(uint64_t v) {
|
||||
qbs *tqbs = qbs_new(8, 1);
|
||||
*((uint64_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *s2string(float v) {
|
||||
qbs *tqbs = qbs_new(4, 1);
|
||||
*((float *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *d2string(double v) {
|
||||
qbs *tqbs = qbs_new(8, 1);
|
||||
*((double *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *f2string(long double v) {
|
||||
qbs *tqbs = qbs_new(32, 1);
|
||||
memset(tqbs->chr, 0, 32);
|
||||
*((long double *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *o2string(intptr_t v) {
|
||||
qbs *tqbs = qbs_new(sizeof(intptr_t), 1);
|
||||
memset(tqbs->chr, 0, sizeof(intptr_t));
|
||||
*((intptr_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *uo2string(uintptr_t v) {
|
||||
qbs *tqbs = qbs_new(sizeof(uintptr_t), 1);
|
||||
memset(tqbs->chr, 0, sizeof(uintptr_t));
|
||||
*((uintptr_t *)(tqbs->chr)) = v;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *bit2string(uint32_t bsize, int64_t v) {
|
||||
qbs *tqbs = qbs_new(8, 1);
|
||||
int64_t bmask;
|
||||
bmask = ~(-(((int64_t)1) << bsize));
|
||||
*((int64_t *)(tqbs->chr)) = v & bmask;
|
||||
tqbs->len = (bsize + 7) >> 3;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
qbs *ubit2string(uint32_t bsize, uint64_t v) {
|
||||
qbs *tqbs = qbs_new(8, 1);
|
||||
int64_t bmask = ~(-(((int64_t)1) << bsize));
|
||||
*((uint64_t *)(tqbs->chr)) = v & bmask;
|
||||
tqbs->len = (bsize + 7) >> 3;
|
||||
return tqbs;
|
||||
}
|
||||
|
||||
char string2b(qbs *str) {
|
||||
if (str->len < 1) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((char *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
uint8_t string2ub(qbs *str) {
|
||||
if (str->len < 1) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((uint8_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
int16_t string2i(qbs *str) {
|
||||
if (str->len < 2) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((int16_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
uint16_t string2ui(qbs *str) {
|
||||
if (str->len < 2) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((uint16_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
int32_t string2l(qbs *str) {
|
||||
if (str->len < 4) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((int32_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t string2ul(qbs *str) {
|
||||
if (str->len < 4) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((uint32_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
int64_t string2i64(qbs *str) {
|
||||
if (str->len < 8) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((int64_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
uint64_t string2ui64(qbs *str) {
|
||||
if (str->len < 8) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((uint64_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
float string2s(qbs *str) {
|
||||
if (str->len < 4) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((float *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
double string2d(qbs *str) {
|
||||
if (str->len < 8) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((double *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
long double string2f(qbs *str) {
|
||||
if (str->len < 32) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((long double *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
intptr_t string2o(qbs *str) {
|
||||
if (str->len < sizeof(intptr_t)) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((intptr_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
uintptr_t string2uo(qbs *str) {
|
||||
if (str->len < sizeof(uintptr_t)) {
|
||||
error(5);
|
||||
return 0;
|
||||
} else {
|
||||
return *((uintptr_t *)str->chr);
|
||||
}
|
||||
}
|
||||
|
||||
uint64_t string2ubit(qbs *str, uint32_t bsize) {
|
||||
int64_t bmask;
|
||||
if (str->len < ((bsize + 7) >> 3)) {
|
||||
error(5);
|
||||
return 0;
|
||||
}
|
||||
bmask = ~(-(((int64_t)1) << bsize));
|
||||
return (*(uint64_t *)str->chr) & bmask;
|
||||
}
|
||||
|
||||
int64_t string2bit(qbs *str, uint32_t bsize) {
|
||||
int64_t bmask, bval64;
|
||||
if (str->len < ((bsize + 7) >> 3)) {
|
||||
error(5);
|
||||
return 0;
|
||||
}
|
||||
bmask = ~(-(((int64_t)1) << bsize));
|
||||
bval64 = (*(uint64_t *)str->chr) & bmask;
|
||||
if (bval64 & (((int64_t)1) << (bsize - 1)))
|
||||
return (bval64 | (~bmask));
|
||||
return bval64;
|
||||
}
|
|
@ -11,6 +11,7 @@
|
|||
#include "gui.h"
|
||||
#include "image.h"
|
||||
#include "qbs.h"
|
||||
#include "qbs-mk-cv.h"
|
||||
#include "error_handle.h"
|
||||
#include "mem.h"
|
||||
#include "rounding.h"
|
||||
|
@ -250,14 +251,6 @@ extern int32 func_peek(int32 offset);
|
|||
extern void sub_poke(int32 offset, int32 value);
|
||||
extern void more_return_points();
|
||||
extern qbs *func_varptr_helper(uint8 type, uint16 offset);
|
||||
extern qbs *func_mksmbf(float val);
|
||||
extern qbs *func_mkdmbf(double val);
|
||||
extern float func_cvsmbf(qbs *str);
|
||||
extern double func_cvdmbf(qbs *str);
|
||||
extern qbs *bit2string(uint32 bsize, int64 v);
|
||||
extern qbs *ubit2string(uint32 bsize, uint64 v);
|
||||
extern uint64 string2ubit(qbs *str, uint32 bsize);
|
||||
extern int64 string2bit(qbs *str, uint32 bsize);
|
||||
extern void sub_lset(qbs *dest, qbs *source);
|
||||
extern void sub_rset(qbs *dest, qbs *source);
|
||||
extern qbs *func_space(int32 spaces);
|
||||
|
@ -507,32 +500,6 @@ extern int32 print_using_double(qbs *format, double value, int32 start,
|
|||
qbs *output);
|
||||
extern int32 print_using_float(qbs *format, long double value, int32 start,
|
||||
qbs *output);
|
||||
extern qbs *b2string(char v);
|
||||
extern qbs *ub2string(char v);
|
||||
extern qbs *i2string(int16 v);
|
||||
extern qbs *ui2string(int16 v);
|
||||
extern qbs *l2string(int32 v);
|
||||
extern qbs *ul2string(uint32 v);
|
||||
extern qbs *i642string(int64 v);
|
||||
extern qbs *ui642string(uint64 v);
|
||||
extern qbs *s2string(float v);
|
||||
extern qbs *d2string(double v);
|
||||
extern qbs *f2string(long double v);
|
||||
extern qbs *o2string(ptrszint v);
|
||||
extern qbs *uo2string(uptrszint v);
|
||||
extern char string2b(qbs *str);
|
||||
extern uint8 string2ub(qbs *str);
|
||||
extern int16 string2i(qbs *str);
|
||||
extern uint16 string2ui(qbs *str);
|
||||
extern int32 string2l(qbs *str);
|
||||
extern uint32 string2ul(qbs *str);
|
||||
extern int64 string2i64(qbs *str);
|
||||
extern uint64 string2ui64(qbs *str);
|
||||
extern float string2s(qbs *str);
|
||||
extern double string2d(qbs *str);
|
||||
extern long double string2f(qbs *str);
|
||||
extern ptrszint string2o(qbs *str);
|
||||
extern uptrszint string2uo(qbs *str);
|
||||
// Cobalt(aka Dave) added the next 2 lines
|
||||
uint64 func__shr(uint64 a1, int b1);
|
||||
uint64 func__shl(uint64 a1, int b1);
|
||||
|
|
Loading…
Reference in a new issue