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authorStefan Krah <skrah@bytereef.org>2012-03-21 19:21:20 (GMT)
committerStefan Krah <skrah@bytereef.org>2012-03-21 19:21:20 (GMT)
commit7cc5521d402316cd4faaa9442f323b3a946ad44b (patch)
treec43b3fce3eb9f5a5a13d7f94ad2ea90b7973069f /Modules/_decimal/libmpdec/context.c
parent851a07e5c25e9ae12695524f2d022c1638478138 (diff)
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Diffstat (limited to 'Modules/_decimal/libmpdec/context.c')
-rw-r--r--Modules/_decimal/libmpdec/context.c236
1 files changed, 118 insertions, 118 deletions
diff --git a/Modules/_decimal/libmpdec/context.c b/Modules/_decimal/libmpdec/context.c
index dc77a32..159f88c 100644
--- a/Modules/_decimal/libmpdec/context.c
+++ b/Modules/_decimal/libmpdec/context.c
@@ -35,7 +35,7 @@
void
mpd_dflt_traphandler(mpd_context_t *ctx UNUSED)
{
- raise(SIGFPE);
+ raise(SIGFPE);
}
void (* mpd_traphandler)(mpd_context_t *) = mpd_dflt_traphandler;
@@ -48,239 +48,239 @@ void (* mpd_traphandler)(mpd_context_t *) = mpd_dflt_traphandler;
void
mpd_setminalloc(mpd_ssize_t n)
{
- static int minalloc_is_set = 0;
-
- if (minalloc_is_set) {
- mpd_err_warn("mpd_setminalloc: ignoring request to set "
- "MPD_MINALLOC a second time\n");
- return;
- }
- if (n < MPD_MINALLOC_MIN || n > MPD_MINALLOC_MAX) {
- mpd_err_fatal("illegal value for MPD_MINALLOC"); /* GCOV_NOT_REACHED */
- }
- MPD_MINALLOC = n;
- minalloc_is_set = 1;
+ static int minalloc_is_set = 0;
+
+ if (minalloc_is_set) {
+ mpd_err_warn("mpd_setminalloc: ignoring request to set "
+ "MPD_MINALLOC a second time\n");
+ return;
+ }
+ if (n < MPD_MINALLOC_MIN || n > MPD_MINALLOC_MAX) {
+ mpd_err_fatal("illegal value for MPD_MINALLOC"); /* GCOV_NOT_REACHED */
+ }
+ MPD_MINALLOC = n;
+ minalloc_is_set = 1;
}
void
mpd_init(mpd_context_t *ctx, mpd_ssize_t prec)
{
- mpd_ssize_t ideal_minalloc;
+ mpd_ssize_t ideal_minalloc;
- mpd_defaultcontext(ctx);
+ mpd_defaultcontext(ctx);
- if (!mpd_qsetprec(ctx, prec)) {
- mpd_addstatus_raise(ctx, MPD_Invalid_context);
- return;
- }
+ if (!mpd_qsetprec(ctx, prec)) {
+ mpd_addstatus_raise(ctx, MPD_Invalid_context);
+ return;
+ }
- ideal_minalloc = 2 * ((prec+MPD_RDIGITS-1) / MPD_RDIGITS);
- if (ideal_minalloc < MPD_MINALLOC_MIN) ideal_minalloc = MPD_MINALLOC_MIN;
- if (ideal_minalloc > MPD_MINALLOC_MAX) ideal_minalloc = MPD_MINALLOC_MAX;
+ ideal_minalloc = 2 * ((prec+MPD_RDIGITS-1) / MPD_RDIGITS);
+ if (ideal_minalloc < MPD_MINALLOC_MIN) ideal_minalloc = MPD_MINALLOC_MIN;
+ if (ideal_minalloc > MPD_MINALLOC_MAX) ideal_minalloc = MPD_MINALLOC_MAX;
- mpd_setminalloc(ideal_minalloc);
+ mpd_setminalloc(ideal_minalloc);
}
void
mpd_maxcontext(mpd_context_t *ctx)
{
- ctx->prec=MPD_MAX_PREC;
- ctx->emax=MPD_MAX_EMAX;
- ctx->emin=MPD_MIN_EMIN;
- ctx->round=MPD_ROUND_HALF_EVEN;
- ctx->traps=MPD_Traps;
- ctx->status=0;
- ctx->newtrap=0;
- ctx->clamp=0;
- ctx->allcr=1;
+ ctx->prec=MPD_MAX_PREC;
+ ctx->emax=MPD_MAX_EMAX;
+ ctx->emin=MPD_MIN_EMIN;
+ ctx->round=MPD_ROUND_HALF_EVEN;
+ ctx->traps=MPD_Traps;
+ ctx->status=0;
+ ctx->newtrap=0;
+ ctx->clamp=0;
+ ctx->allcr=1;
}
void
mpd_defaultcontext(mpd_context_t *ctx)
{
- ctx->prec=2*MPD_RDIGITS;
- ctx->emax=MPD_MAX_EMAX;
- ctx->emin=MPD_MIN_EMIN;
- ctx->round=MPD_ROUND_HALF_UP;
- ctx->traps=MPD_Traps;
- ctx->status=0;
- ctx->newtrap=0;
- ctx->clamp=0;
- ctx->allcr=1;
+ ctx->prec=2*MPD_RDIGITS;
+ ctx->emax=MPD_MAX_EMAX;
+ ctx->emin=MPD_MIN_EMIN;
+ ctx->round=MPD_ROUND_HALF_UP;
+ ctx->traps=MPD_Traps;
+ ctx->status=0;
+ ctx->newtrap=0;
+ ctx->clamp=0;
+ ctx->allcr=1;
}
void
mpd_basiccontext(mpd_context_t *ctx)
{
- ctx->prec=9;
- ctx->emax=MPD_MAX_EMAX;
- ctx->emin=MPD_MIN_EMIN;
- ctx->round=MPD_ROUND_HALF_UP;
- ctx->traps=MPD_Traps|MPD_Clamped;
- ctx->status=0;
- ctx->newtrap=0;
- ctx->clamp=0;
- ctx->allcr=1;
+ ctx->prec=9;
+ ctx->emax=MPD_MAX_EMAX;
+ ctx->emin=MPD_MIN_EMIN;
+ ctx->round=MPD_ROUND_HALF_UP;
+ ctx->traps=MPD_Traps|MPD_Clamped;
+ ctx->status=0;
+ ctx->newtrap=0;
+ ctx->clamp=0;
+ ctx->allcr=1;
}
int
mpd_ieee_context(mpd_context_t *ctx, int bits)
{
- if (bits <= 0 || bits > MPD_IEEE_CONTEXT_MAX_BITS || bits % 32) {
- return -1;
- }
-
- ctx->prec = 9 * (bits/32) - 2;
- ctx->emax = 3 * ((mpd_ssize_t)1<<(bits/16+3));
- ctx->emin = 1 - ctx->emax;
- ctx->round=MPD_ROUND_HALF_EVEN;
- ctx->traps=0;
- ctx->status=0;
- ctx->newtrap=0;
- ctx->clamp=1;
- ctx->allcr=1;
-
- return 0;
+ if (bits <= 0 || bits > MPD_IEEE_CONTEXT_MAX_BITS || bits % 32) {
+ return -1;
+ }
+
+ ctx->prec = 9 * (bits/32) - 2;
+ ctx->emax = 3 * ((mpd_ssize_t)1<<(bits/16+3));
+ ctx->emin = 1 - ctx->emax;
+ ctx->round=MPD_ROUND_HALF_EVEN;
+ ctx->traps=0;
+ ctx->status=0;
+ ctx->newtrap=0;
+ ctx->clamp=1;
+ ctx->allcr=1;
+
+ return 0;
}
mpd_ssize_t
mpd_getprec(const mpd_context_t *ctx)
{
- return ctx->prec;
+ return ctx->prec;
}
mpd_ssize_t
mpd_getemax(const mpd_context_t *ctx)
{
- return ctx->emax;
+ return ctx->emax;
}
mpd_ssize_t
mpd_getemin(const mpd_context_t *ctx)
{
- return ctx->emin;
+ return ctx->emin;
}
int
mpd_getround(const mpd_context_t *ctx)
{
- return ctx->round;
+ return ctx->round;
}
uint32_t
mpd_gettraps(const mpd_context_t *ctx)
{
- return ctx->traps;
+ return ctx->traps;
}
uint32_t
mpd_getstatus(const mpd_context_t *ctx)
{
- return ctx->status;
+ return ctx->status;
}
int
mpd_getclamp(const mpd_context_t *ctx)
{
- return ctx->clamp;
+ return ctx->clamp;
}
int
mpd_getcr(const mpd_context_t *ctx)
{
- return ctx->allcr;
+ return ctx->allcr;
}
int
mpd_qsetprec(mpd_context_t *ctx, mpd_ssize_t prec)
{
- if (prec <= 0 || prec > MPD_MAX_PREC) {
- return 0;
- }
- ctx->prec = prec;
- return 1;
+ if (prec <= 0 || prec > MPD_MAX_PREC) {
+ return 0;
+ }
+ ctx->prec = prec;
+ return 1;
}
int
mpd_qsetemax(mpd_context_t *ctx, mpd_ssize_t emax)
{
- if (emax < 0 || emax > MPD_MAX_EMAX) {
- return 0;
- }
- ctx->emax = emax;
- return 1;
+ if (emax < 0 || emax > MPD_MAX_EMAX) {
+ return 0;
+ }
+ ctx->emax = emax;
+ return 1;
}
int
mpd_qsetemin(mpd_context_t *ctx, mpd_ssize_t emin)
{
- if (emin > 0 || emin < MPD_MIN_EMIN) {
- return 0;
- }
- ctx->emin = emin;
- return 1;
+ if (emin > 0 || emin < MPD_MIN_EMIN) {
+ return 0;
+ }
+ ctx->emin = emin;
+ return 1;
}
int
mpd_qsetround(mpd_context_t *ctx, int round)
{
- if (!(0 <= round && round < MPD_ROUND_GUARD)) {
- return 0;
- }
- ctx->round = round;
- return 1;
+ if (!(0 <= round && round < MPD_ROUND_GUARD)) {
+ return 0;
+ }
+ ctx->round = round;
+ return 1;
}
int
mpd_qsettraps(mpd_context_t *ctx, uint32_t traps)
{
- if (traps > MPD_Max_status) {
- return 0;
- }
- ctx->traps = traps;
- return 1;
+ if (traps > MPD_Max_status) {
+ return 0;
+ }
+ ctx->traps = traps;
+ return 1;
}
int
mpd_qsetstatus(mpd_context_t *ctx, uint32_t flags)
{
- if (flags > MPD_Max_status) {
- return 0;
- }
- ctx->status = flags;
- return 1;
+ if (flags > MPD_Max_status) {
+ return 0;
+ }
+ ctx->status = flags;
+ return 1;
}
int
mpd_qsetclamp(mpd_context_t *ctx, int c)
{
- if (c != 0 && c != 1) {
- return 0;
- }
- ctx->clamp = c;
- return 1;
+ if (c != 0 && c != 1) {
+ return 0;
+ }
+ ctx->clamp = c;
+ return 1;
}
int
mpd_qsetcr(mpd_context_t *ctx, int c)
{
- if (c != 0 && c != 1) {
- return 0;
- }
- ctx->allcr = c;
- return 1;
+ if (c != 0 && c != 1) {
+ return 0;
+ }
+ ctx->allcr = c;
+ return 1;
}
void
mpd_addstatus_raise(mpd_context_t *ctx, uint32_t flags)
{
- ctx->status |= flags;
- if (flags&ctx->traps) {
- ctx->newtrap = (flags&ctx->traps);
- mpd_traphandler(ctx);
- }
+ ctx->status |= flags;
+ if (flags&ctx->traps) {
+ ctx->newtrap = (flags&ctx->traps);
+ mpd_traphandler(ctx);
+ }
}