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add __isinfl as rcognized non-GCing primitive for xform, and streamline infinity tests while we're at it

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svn: r9109
This commit is contained in:
Matthew Flatt 2008-03-29 12:48:59 +00:00
parent 6b2cd19c9f
commit e1b493ee19
4 changed files with 17 additions and 17 deletions
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3
collects/compiler/private/xform.ss
View File

@ -835,7 +835,8 @@
;; So we can ignore them:
strlen cos sin exp pow log sqrt atan2
isnan isinf fpclass _fpclass _isnan __isfinited __isnanl __isinfl isnanf isinff
isnan isinf fpclass _fpclass _isnan __isfinited __isnanl
__isinff __isinfl isnanf isinff
floor ceil round fmod fabs __maskrune _errno __errno
isalpha isdigit isspace tolower toupper
fread fwrite socket fcntl setsockopt connect send recv close

22
src/mzscheme/src/number.c
View File

@ -657,15 +657,13 @@ int scheme_minus_zero_p(double d)
#ifdef MZ_USE_SINGLE_FLOATS
static int rational_flt_p(float f) {
return !(MZ_IS_NAN(f)
|| MZ_IS_POS_INFINITY(f)
|| MZ_IS_NEG_INFINITY(f));
|| MZ_IS_INFINITY(f));
}
#endif
static int rational_dbl_p(double f) {
return !(MZ_IS_NAN(f)
|| MZ_IS_POS_INFINITY(f)
|| MZ_IS_NEG_INFINITY(f));
|| MZ_IS_INFINITY(f));
}
#ifdef DEFEAT_FP_COMP_OPTIMIZATION
@ -777,8 +775,7 @@ int scheme_is_integer(const Scheme_Object *o)
if (MZ_IS_NAN(d))
return 0;
# endif
if (MZ_IS_POS_INFINITY(d)
|| MZ_IS_NEG_INFINITY(d))
if (MZ_IS_INFINITY(d))
return 0;
if (floor(d) == d)
return 1;
@ -933,7 +930,7 @@ scheme_odd_p (int argc, Scheme_Object *argv[])
if (scheme_is_integer(v)) {
double d = SCHEME_FLOAT_VAL(v);
if (MZ_IS_POS_INFINITY(d) || MZ_IS_NEG_INFINITY(d))
if (MZ_IS_INFINITY(d))
return scheme_true;
return (fmod(d, 2.0) == 0.0) ? scheme_false : scheme_true;
}
@ -955,7 +952,7 @@ even_p (int argc, Scheme_Object *argv[])
if (scheme_is_integer(v)) {
double d = SCHEME_FLOAT_VAL(v);
if (MZ_IS_POS_INFINITY(d) || MZ_IS_NEG_INFINITY(d))
if (MZ_IS_INFINITY(d))
return scheme_true;
return (fmod(d, 2.0) == 0.0) ? scheme_true : scheme_false;
}
@ -1351,8 +1348,7 @@ static Scheme_Object *get_frac(char *name, int low_p,
double d = SCHEME_FLOAT_VAL(n);
if (MZ_IS_NAN(d)
|| MZ_IS_POS_INFINITY(d)
|| MZ_IS_NEG_INFINITY(d)) {
|| MZ_IS_INFINITY(d)) {
scheme_wrong_type(name, "rational number", 0, argc, argv);
ESCAPED_BEFORE_HERE;
}
@ -1700,8 +1696,7 @@ atan_prim (int argc, Scheme_Object *argv[])
}
#ifdef ATAN2_DOESNT_WORK_WITH_INFINITIES
if ((MZ_IS_POS_INFINITY(v) || MZ_IS_NEG_INFINITY(v))
&& (MZ_IS_POS_INFINITY(v2) || MZ_IS_NEG_INFINITY(v2))) {
if (MZ_IS_INFINITY(v) && MZ_IS_INFINITY(v2)) {
v = MZ_IS_POS_INFINITY(v) ? 1.0 : -1.0;
v2 = MZ_IS_POS_INFINITY(v2) ? 1.0 : -1.0;
}
@ -2028,8 +2023,7 @@ scheme_expt(int argc, Scheme_Object *argv[])
d2 = SCHEME_FLOAT_VAL(e);
if ((d2 == 0.0)
|| MZ_IS_POS_INFINITY(d2)
|| MZ_IS_NEG_INFINITY(d2)
|| MZ_IS_INFINITY(d2)
|| MZ_IS_NAN(d2))
norm = 1;
}

3
src/mzscheme/src/numstr.c
View File

@ -1595,8 +1595,7 @@ char *scheme_number_to_string(int radix, Scheme_Object *obj)
int scheme_check_double(const char *where, double d, const char *dest)
{
if (MZ_IS_POS_INFINITY(d)
|| MZ_IS_NEG_INFINITY(d)
if (MZ_IS_INFINITY(d)
|| MZ_IS_NAN(d)) {
if (where)
scheme_raise_exn(MZEXN_FAIL_CONTRACT,

6
src/mzscheme/src/schpriv.h
View File

@ -1493,6 +1493,7 @@ extern int scheme_is_nan(double);
# define MZ_IS_NAN(d) isnan(d)
# else
# ifdef USE_CARBON_FP_PREDS
# define MZ_IS_INFINITY(d) (!__isfinited(d))
# define MZ_IS_POS_INFINITY(d) (!__isfinited(d) && (d > 0))
# define MZ_IS_NEG_INFINITY(d) (!__isfinited(d) && (d < 0))
# define MZ_IS_NAN(d) __isnand(d)
@ -1504,6 +1505,7 @@ extern int scheme_is_nan(double);
# define MZ_IS_NAN(d) _isnan(d)
# else
/* USE_IEEE_FP_PREDS */
# define MZ_IS_INFINITY(d) (isinf(d))
# define MZ_IS_POS_INFINITY(d) (isinf(d) && (d > 0))
# define MZ_IS_NEG_INFINITY(d) (isinf(d) && (d < 0))
# define MZ_IS_NAN(d) isnan(d)
@ -1514,6 +1516,10 @@ extern int scheme_is_nan(double);
# endif
#endif
#ifndef MZ_IS_INFINITY
# define MZ_IS_INFINITY(d) (MZ_IS_POS_INFINITY(d) || MZ_IS_NEG_INFINITY(d))
#endif
#define IZI_REAL_PART(n) (((Scheme_Complex *)(n))->r)
extern double scheme_infinity_val, scheme_minus_infinity_val;