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Copy pathGMPq.xs
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GMPq.xs
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#ifdef __MINGW32__
#ifndef __USE_MINGW_ANSI_STDIO
#define __USE_MINGW_ANSI_STDIO 1
#endif
#endif
#define PERL_NO_GET_CONTEXT 1
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "math_gmpq_include.h"
#include "math_gmpq_unused.h"
int _is_infstring(char * s) {
int sign = 1;
if(s[0] == '-') {
sign = -1;
s++;
}
else {
if(s[0] == '+') s++;
}
if((s[0] == 'i' || s[0] == 'I') && (s[1] == 'n' || s[1] == 'N') && (s[2] == 'f' || s[2] == 'F'))
return sign;
#ifdef _WIN32_BIZARRE_INFNAN /* older Win32 perls stringify infinities as(-)1.#INF */
if(!strcmp(s, "1.#INF")) return sign;
#endif
return 0;
}
void Rmpq_canonicalize (mpq_t * p) {
mpq_canonicalize(*p);
}
SV * Rmpq_init(pTHX) {
mpq_t * mpq_t_obj;
SV * obj_ref, * obj;
New(1, mpq_t_obj, 1, mpq_t);
if(mpq_t_obj == NULL) croak("Failed to allocate memory in Rmpq_init function");
obj_ref = newSV(0);
obj = newSVrv(obj_ref, "Math::GMPq");
mpq_init (*mpq_t_obj);
sv_setiv(obj, INT2PTR(IV, mpq_t_obj));
SvREADONLY_on(obj);
return obj_ref;
}
SV * Rmpq_init_nobless(pTHX) {
mpq_t * mpq_t_obj;
SV * obj_ref, * obj;
New(1, mpq_t_obj, 1, mpq_t);
if(mpq_t_obj == NULL) croak("Failed to allocate memory in Rmpq_init_nobless function");
obj_ref = newSV(0);
obj = newSVrv(obj_ref, NULL);
mpq_init (*mpq_t_obj);
sv_setiv(obj, INT2PTR(IV, mpq_t_obj));
SvREADONLY_on(obj);
return obj_ref;
}
void DESTROY(pTHX_ mpq_t * p) {
/* printf("Destroying mpq "); */
mpq_clear(*p);
Safefree(p);
/* printf("...destroyed\n"); */
}
void Rmpq_clear(pTHX_ mpq_t * p) {
mpq_clear(*p);
Safefree(p);
}
void Rmpq_clear_mpq(mpq_t * p) {
mpq_clear(*p);
}
void Rmpq_clear_ptr(pTHX_ mpq_t * p) {
Safefree(p);
}
void Rmpq_set(mpq_t * p1, mpq_t * p2) {
mpq_set(*p1, *p2);
}
void Rmpq_swap(mpq_t * p1, mpq_t * p2) {
mpq_swap(*p1, *p2);
}
void Rmpq_set_z(mpq_t * p1, mpz_t * p2) {
mpq_set_z(*p1, *p2);
}
void Rmpq_set_ui(mpq_t * p1, unsigned long p2, unsigned long p3) {
mpq_set_ui(*p1, p2, p3);
}
void Rmpq_set_si(mpq_t * p1, long p2, long p3) {
mpq_set_si(*p1, p2, p3);
}
void _Rmpq_set_str(pTHX_ mpq_t * p1, SV * p2, SV * base) {
unsigned long b = (unsigned long)SvUV(base);
if(b == 1 || b > 62) croak ("%u is not a valid base in Rmpq_set_str", (int)b);
if(mpq_set_str(*p1, SvPV_nolen(p2), (int)SvIV(base)))
croak("String supplied to Rmpq_set_str function is not a valid base %u number", (int)SvUV(base));
}
double Rmpq_get_d(mpq_t * p) {
return mpq_get_d(*p);
}
void Rmpq_set_d(mpq_t * p, double d){
if(d != d) croak ("In Rmpq_set_d, cannot coerce a NaN to a Math::GMPq value");
if(d != 0 && d / d != 1) croak ("In Rmpq_set_d, cannot coerce an Inf to a Math::GMPq value");
mpq_set_d(*p, d);
}
void _mpf_set_doubledouble(mpf_t * q, SV * p) {
#if defined(USE_LONG_DOUBLE) && REQUIRED_LDBL_MANT_DIG == 2098
double msd; /* Most Significant Double */
mpf_t t, d;
long double lsd; /* Will be assigned the Least Siginficant Double */
msd = (double)SvNV(p);
if(msd != 0.0) {
if(msd != msd) croak("In _mpf_set_doubledouble (called from Rmpq_set_NV), cannot coerce a NaN to a Math::GMPf object");
if(msd / msd != 1.0) croak("In _mpf_set_doubledouble (called from Rmpq_set_NV), cannot coerce an Inf to a Math::GMPf object");
}
lsd = SvNV(p) - (long double)msd;
mpf_init2(t, 2098);
mpf_init2(d, 53);
mpf_set_d(t, msd);
mpf_set_d(d, (double)lsd);
mpf_add(t, t, d);
mpf_clear(d);
mpf_set(*q, t);
mpf_clear(t);
#else
PERL_UNUSED_ARG2(q, p);
croak("_mpf_set_doubledouble not implemented because NV is not a doubledouble");
#endif
}
void Rmpq_set_NV(pTHX_ mpq_t * copy, SV * original) {
#if defined(USE_QUADMATH)
char * buffer;
int exp, exp2 = 0;
__float128 ld, buffer_size;
int returned;
if(!SV_IS_NOK(original))
croak("In Rmpq_set_NV, 2nd argument is not an NV");
ld = (__float128)SvNV(original);
if(ld != ld) croak("In Rmpq_set_NV, cannot coerce a NaN to a Math::GMPq value");
if(ld != 0 && (ld / ld != 1))
croak("In Rmpq_set_NV, cannot coerce an Inf to a Math::GMPq value");
ld = frexpq((__float128)SvNV(original), &exp);
while(ld != floorq(ld)) {
ld *= 2;
exp2 += 1;
}
buffer_size = ld < 0.0Q ? ld * -1.0Q : ld;
buffer_size = ceill(logq(buffer_size + 1) / 2.30258509299404568401799145468436418Q);
Newxz(buffer, (int)buffer_size + 5, char);
returned = quadmath_snprintf(buffer, (size_t)buffer_size + 5, "%.0Qf", ld);
if(returned < 0) croak("In Rmpq_set_NV, encoding error in quadmath_snprintf function");
if(returned >= buffer_size + 5) croak("In Rmpq_set_NV, buffer given to quadmath_snprintf function was too small");
mpq_set_str(*copy, buffer, 10);
Safefree(buffer);
if (exp2 > exp) mpq_div_2exp(*copy, *copy, exp2 - exp);
else mpq_mul_2exp(*copy, *copy, exp - exp2);
#elif defined(USE_LONG_DOUBLE)
# if REQUIRED_LDBL_MANT_DIG == 2098
mpf_t t;
if(!SV_IS_NOK(original))
croak("In Rmpq_set_NV, 2nd argument is not an NV");
mpf_init2(t, 2098);
_mpf_set_doubledouble(&t, original);
mpq_set_f(*copy, t);
mpf_clear(t);
# else
char * buffer;
int exp, exp2 = 0;
long double ld, buffer_size;
if(!SV_IS_NOK(original))
croak("In Rmpq_set_NV, 2nd argument is not an NV");
ld = (long double)SvNV(original);
if(ld != ld) croak("In Rmpq_set_NV, cannot coerce a NaN to a Math::GMPq value");
if(ld != 0 && (ld / ld != 1))
croak("In Rmpq_set_NV, cannot coerce an Inf to a Math::GMPq value");
ld = frexpl((long double)SvNV(original), &exp);
while(ld != floorl(ld)) {
ld *= 2;
exp2 += 1;
}
buffer_size = ld < 0.0L ? ld * -1.0L : ld;
buffer_size = ceill(logl(buffer_size + 1) / 2.30258509299404568401799145468436418L);
Newxz(buffer, (int)buffer_size + 5, char);
if(sprintf(buffer, "%.0Lf", ld) >= (int)buffer_size + 5) croak("In Rmpq_set_NV, buffer overflow in sprintf function");
mpq_set_str(*copy, buffer, 10);
Safefree(buffer);
if (exp2 > exp) mpq_div_2exp(*copy, *copy, exp2 - exp);
else mpq_mul_2exp(*copy, *copy, exp - exp2);
# endif
#else
double d;
if(!SV_IS_NOK(original))
croak("In Rmpq_set_NV, 2nd argument is not an NV");
d = SvNV(original);
if(d != d) croak("In Rmpq_set_NV, cannot coerce a NaN to a Math::GMPq value");
if(d != 0 && (d / d != 1))
croak("In Rmpq_set_NV, cannot coerce an Inf to a Math::GMPq value");
mpq_set_d(*copy, d);
#endif
}
int Rmpq_cmp_NV(pTHX_ mpq_t * a, SV * b) {
mpq_t t;
int returned;
if(!SvNOK(b))
croak("In Rmpq_cmp_NV, 2nd argument is not an NV");
#if defined(USE_QUADMATH)
char * buffer;
int exp, exp2 = 0;
__float128 ld, buffer_size;
ld = (__float128)SvNV(b);
if(ld != ld) croak("In Rmpq_cmp_NV, cannot compare a NaN to a Math::GMPq value");
if(ld != 0 && (ld / ld != 1)) {
if(ld > 0) return -1;
return 1;
}
ld = frexpq((__float128)SvNV(b), &exp);
while(ld != floorq(ld)) {
ld *= 2;
exp2 += 1;
}
buffer_size = ld < 0.0Q ? ld * -1.0Q : ld;
buffer_size = ceilq(logq(buffer_size + 1) / 2.30258509299404568401799145468436418Q);
Newxz(buffer, (int)buffer_size + 5, char);
returned = quadmath_snprintf(buffer, (size_t)buffer_size + 5, "%.0Qf", ld);
if(returned < 0) croak("In Rmpq_cmp_NV, encoding error in quadmath_snprintf function");
if(returned >= buffer_size + 5) croak("In Rmpq_cmp_NV, buffer given to quadmath_snprintf function was too small");
mpq_init(t);
mpq_set_str(t, buffer, 10);
Safefree(buffer);
if (exp2 > exp) mpq_div_2exp(t, t, exp2 - exp);
else mpq_mul_2exp(t, t, exp - exp2);
#elif defined(USE_LONG_DOUBLE)
# if REQUIRED_LDBL_MANT_DIG == 2098
mpf_t temp;
long double ld = (long double)SvNV(b);
if(ld != ld) croak("In Rmpq_cmp_NV, cannot compare a NaN to a Math::GMPq value");
if(ld != 0 && ld / ld != 1) {
if(ld > 0) return -1;
return 1;
}
mpq_init(t);
mpf_init2(temp, 2098);
_mpf_set_doubledouble(&temp, b);
mpq_set_f(t, temp);
mpf_clear(temp);
# else
char * buffer;
int exp, exp2 = 0;
long double ld, buffer_size;
ld = (long double)SvNV(b);
if(ld != ld) croak("In Rmpq_cmp_NV, cannot compare a NaN to a Math::GMPq value");
if(ld != 0 && (ld / ld != 1)) {
if(ld > 0) return -1;
return 1;
}
ld = frexpl((long double)SvNV(b), &exp);
while(ld != floorl(ld)) {
ld *= 2;
exp2 += 1;
}
buffer_size = ld < 0.0L ? ld * -1.0L : ld;
buffer_size = ceill(logl(buffer_size + 1) / 2.30258509299404568401799145468436418L);
Newxz(buffer, (int)buffer_size + 5, char);
if(sprintf(buffer, "%.0Lf", ld) >= (int)buffer_size + 5) croak("In Rmpq_cmp_NV, buffer overflow in sprintf function");
mpq_init(t);
mpq_set_str(t, buffer, 10);
Safefree(buffer);
if (exp2 > exp) mpq_div_2exp(t, t, exp2 - exp);
else mpq_mul_2exp(t, t, exp - exp2);
# endif
#else
double d = SvNV(b);
if(d != d) croak("In Rmpq_cmp_NV, cannot compare a NaN to a Math::GMPq value");
if(d != 0 && (d / d != 1)) {
if(d > 0) return -1;
return 1;
}
mpq_init(t);
mpq_set_d(t, d);
#endif
returned = mpq_cmp(*a, t);
mpq_clear(t);
return returned;
}
void Rmpq_set_f(mpq_t * p, mpf_t * f) {
mpq_set_f(*p, *f);
}
SV * Rmpq_get_str(pTHX_ mpq_t * p, SV * base){
char * out;
SV * outsv;
unsigned long b = (unsigned long)SvUV(base);
New(123, out, mpz_sizeinbase(mpq_numref(*p), b) + mpz_sizeinbase(mpq_denref(*p), b) + 3, char);
if(out == NULL) croak ("Failed to allocate memory in Rmpq_get_str function");
mpq_get_str(out, b, *p);
outsv = newSVpv(out, 0);
Safefree(out);
return outsv;
}
int Rmpq_cmp(mpq_t * p1, mpq_t * p2) {
return mpq_cmp(*p1, *p2);
}
int Rmpq_cmp_ui(mpq_t * p1, unsigned long n, unsigned long d) {
return mpq_cmp_ui(*p1, n, d);
}
int Rmpq_cmp_si(mpq_t * p1, long n, unsigned long d) {
return mpq_cmp_si(*p1, n, d);
}
int Rmpq_cmp_z(mpq_t * p, mpz_t * z) {
#if __GNU_MP_RELEASE >= 60099
return mpq_cmp_z(*p, *z);
#else
int ret;
mpz_t temp;
mpz_init_set(temp, *z);
mpz_mul(temp, temp, mpq_denref(*p));
ret = mpz_cmp(mpq_numref(*p), temp);
mpz_clear(temp);
return ret;
#endif
}
int Rmpq_sgn(mpq_t * p) {
return mpq_sgn(*p);
}
int Rmpq_equal(mpq_t * p1, mpq_t * p2) {
return mpq_equal(*p1, *p2);
}
void Rmpq_add(mpq_t * p1, mpq_t * p2, mpq_t * p3) {
mpq_add(*p1, *p2, *p3);
}
void Rmpq_sub(mpq_t * p1, mpq_t * p2, mpq_t * p3) {
mpq_sub(*p1, *p2, *p3);
}
void Rmpq_mul(mpq_t * p1, mpq_t * p2, mpq_t * p3) {
mpq_mul(*p1, *p2, *p3);
}
void Rmpq_div(mpq_t * p1, mpq_t * p2, mpq_t * p3) {
if(!mpq_cmp_ui(*p3, 0, 1))
croak("Division by 0 not allowed in Math::GMPq::Rmpq_div");
mpq_div(*p1, *p2, *p3);
}
void Rmpq_mul_2exp(pTHX_ mpq_t * p1, mpq_t * p2, SV * p3) {
mpq_mul_2exp(*p1, *p2, (mp_bitcnt_t)SvUV(p3));
}
void Rmpq_div_2exp(pTHX_ mpq_t * p1, mpq_t * p2, SV * p3) {
mpq_div_2exp(*p1, *p2, (mp_bitcnt_t)SvUV(p3));
}
void Rmpq_neg(mpq_t * p1, mpq_t * p2) {
mpq_neg(*p1, *p2);
}
void Rmpq_abs(mpq_t * p1, mpq_t * p2) {
mpq_abs(*p1, *p2);
}
void Rmpq_inv(mpq_t * p1, mpq_t * p2) {
mpq_inv(*p1, *p2);
}
SV * _Rmpq_out_str(pTHX_ mpq_t * p, int base){
size_t ret;
if(base < 2 || base > 36)
croak("2nd argument supplied to Rmpq_out_str is out of allowable range (must be between 2 and 36 inclusive)");
ret = mpq_out_str(NULL, base, *p);
fflush(stdout);
return newSVuv(ret);
}
SV * _Rmpq_out_strS(pTHX_ mpq_t * p, int base, SV * suff) {
size_t ret;
if(base < 2 || base > 36)
croak("2nd argument supplied to Rmpq_out_str is out of allowable range (must be between 2 and 36 inclusive)");
ret = mpq_out_str(NULL, base, *p);
printf("%s", SvPV_nolen(suff));
fflush(stdout);
return newSVuv(ret);
}
SV * _Rmpq_out_strP(pTHX_ SV * pre, mpq_t * p, int base) {
size_t ret;
if(base < 2 || base > 36)
croak("2nd argument supplied to Rmpq_out_str is out of allowable range (must be between 2 and 36 inclusive)");
printf("%s", SvPV_nolen(pre));
ret = mpq_out_str(NULL, base, *p);
fflush(stdout);
return newSVuv(ret);
}
SV * _Rmpq_out_strPS(pTHX_ SV * pre, mpq_t * p, int base, SV * suff) {
size_t ret;
if(base < 2 || base > 36)
croak("2nd argument supplied to Rmpq_out_str is out of allowable range (must be between 2 and 36 inclusive)");
printf("%s", SvPV_nolen(pre));
ret = mpq_out_str(NULL, base, *p);
printf("%s", SvPV_nolen(suff));
fflush(stdout);
return newSVuv(ret);
}
SV * _TRmpq_out_str(pTHX_ FILE * stream, int base, mpq_t * p) {
size_t ret;
ret = mpq_out_str(stream, base, *p);
fflush(stream);
return newSVuv(ret);
}
SV * _TRmpq_out_strS(pTHX_ FILE * stream, int base, mpq_t * p, SV * suff) {
size_t ret;
ret = mpq_out_str(stream, base, *p);
fflush(stream);
fprintf(stream, "%s", SvPV_nolen(suff));
fflush(stream);
return newSVuv(ret);
}
SV * _TRmpq_out_strP(pTHX_ SV * pre, FILE * stream, int base, mpq_t * p) {
size_t ret;
fprintf(stream, "%s", SvPV_nolen(pre));
fflush(stream);
ret = mpq_out_str(stream, base, *p);
fflush(stream);
return newSVuv(ret);
}
SV * _TRmpq_out_strPS(pTHX_ SV * pre, FILE * stream, int base, mpq_t * p, SV * suff) {
size_t ret;
fprintf(stream, "%s", SvPV_nolen(pre));
fflush(stream);
ret = mpq_out_str(stream, base, *p);
fflush(stream);
fprintf(stream, "%s", SvPV_nolen(suff));
fflush(stream);
return newSVuv(ret);
}
SV * TRmpq_inp_str(pTHX_ mpq_t * p, FILE * stream, SV * base) {
size_t ret;
ret = mpq_inp_str(*p, stream, (int)SvIV(base));
/* fflush(stream); */
return newSVuv(ret);
}
SV * Rmpq_inp_str(pTHX_ mpq_t * p, int base){
size_t ret;
ret = mpq_inp_str(*p, NULL, base);
/* fflush(stdin); */
return newSVuv(ret);
}
void Rmpq_numref(mpz_t * z, mpq_t * r) {
mpz_set(*z, mpq_numref(*r));
}
void Rmpq_denref(mpz_t * z, mpq_t * r) {
mpz_set(*z, mpq_denref(*r));
}
void Rmpq_get_num(mpz_t * z, mpq_t * r) {
mpq_get_num(*z, *r);
}
void Rmpq_get_den(mpz_t * z, mpq_t * r) {
mpq_get_den(*z, *r);
}
void Rmpq_set_num(mpq_t * r, mpz_t * z) {
mpq_set_num(*r, *z);
}
void Rmpq_set_den(mpq_t * r, mpz_t * z) {
mpq_set_den(*r, *z);
}
SV * get_refcnt(pTHX_ SV * s) {
return newSVuv(SvREFCNT(s));
}
void Rmpq_add_z(mpq_t * rop, mpq_t * op, mpz_t * z) {
if(rop != op) mpq_set(*rop, *op);
mpz_addmul(mpq_numref(*rop), mpq_denref(*rop), *z);
}
void Rmpq_sub_z(mpq_t * rop, mpq_t * op, mpz_t * z) {
if(rop != op) mpq_set(*rop, *op);
mpz_submul(mpq_numref(*rop), mpq_denref(*rop), *z);
}
void Rmpq_z_sub(mpq_t * rop, mpz_t * z, mpq_t * op) {
if(rop != op) mpq_set(*rop, *op);
mpz_submul(mpq_numref(*rop), mpq_denref(*rop), *z);
mpz_neg(mpq_numref(*rop), mpq_numref(*rop));
}
void Rmpq_mul_z(mpq_t * rop, mpq_t * op, mpz_t * z) {
if(rop != op) mpq_set(*rop, *op);
mpz_mul(mpq_numref(*rop), mpq_numref(*rop), *z);
mpq_canonicalize(*rop);
}
void Rmpq_div_z(mpq_t * rop, mpq_t * op, mpz_t * z) {
if(!mpz_cmp_ui(*z, 0))
croak("Division by 0 not allowed in Math::GMPq::Rmpq_div_z");
if(rop != op) mpq_set(*rop, *op);
mpz_mul(mpq_denref(*rop), mpq_denref(*rop), *z);
mpq_canonicalize(*rop);
}
void Rmpq_z_div(mpq_t * rop, mpz_t * z, mpq_t * op) {
if(!mpq_cmp_ui(*op, 0, 1))
croak("Division by 0 not allowed in Math::GMPq::Rmpq_z_div");
if(rop != op) mpq_set(*rop, *op);
mpq_inv(*rop, *rop);
mpz_mul(mpq_numref(*rop), mpq_numref(*rop), *z);
mpq_canonicalize(*rop);
}
void Rmpq_pow_ui(mpq_t * rop, mpq_t * op, unsigned long ui) {
mpz_pow_ui(mpq_numref(*rop), mpq_numref(*op), ui);
mpz_pow_ui(mpq_denref(*rop), mpq_denref(*op), ui);
}
/* Also handles UV values */
void Rmpq_set_IV(pTHX_ mpq_t * a, SV * my_iv1, SV * my_iv2) {
mpq_t temp;
if(SV_IS_IOK(my_iv1) && SV_IS_IOK(my_iv2)) {
mpq_init(temp);
#ifdef MATH_GMPQ_NEED_LONG_LONG_INT
mpq_set_str(*a, SvPV_nolen(my_iv1), 10);
mpq_set_str(temp, SvPV_nolen(my_iv2), 10);
mpq_div(*a, *a, temp);
#else
if(SvUOK(my_iv1)) mpq_set_ui(*a, SvUVX(my_iv1), SvUV(my_iv2));
else mpq_set_si(*a, SvIVX(my_iv1), SvUV(my_iv2));
#endif
mpq_clear(temp);
}
else croak("Arg provided to Rmpq_set_IV not an IV");
}
int Rmpq_cmp_IV(pTHX_ mpq_t * q, SV * iv1, SV * iv2) {
mpq_t temp;
int ret;
if(!SvIOK(iv1) || !SvIOK(iv2))
croak("Arg provided to Rmpq_cmp_IV is not an IV");
mpq_init(temp);
Rmpq_set_IV(aTHX_ &temp, iv1, iv2);
ret = mpq_cmp(*q, temp);
mpq_clear(temp);
return ret;
}
/* Finish typemapping - typemap 1st arg only */
SV * _overload_mul(pTHX_ SV * a, SV * b, SV * third) {
mpq_t * mpq_t_obj;
SV * obj_ref, * obj;
const char * h;
int object = 0;
PERL_UNUSED_ARG(third);
if(sv_isobject(b)) {
object = 1;
h = HvNAME(SvSTASH(SvRV(b)));
if(strEQ(h, "Math::MPFR")) { /* will return */
_overload_callback("Math::MPFR::overload_mul", "Math::GMPq::overload_mul", newSViv(0));
}
}
/* create new object */
New(1, mpq_t_obj, 1, mpq_t);
if(mpq_t_obj == NULL) croak("Failed to allocate memory in overload_mul function");
obj_ref = newSV(0);
obj = newSVrv(obj_ref, "Math::GMPq");
mpq_init(*mpq_t_obj);
sv_setiv(obj, INT2PTR(IV, mpq_t_obj));
SvREADONLY_on(obj);
if(SV_IS_IOK(b)) {
Rmpq_set_IV(aTHX_ mpq_t_obj, b, newSViv(1));
mpq_mul(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
#if defined(GMPQ_PV_NV_BUG)
if( (SV_IS_POK(b) && !SV_IS_NOK(b))
||
(SV_IS_POK(b) && SV_IS_NOK(b) && SvIOKp(b)) ) {
#else
if(SV_IS_POK(b)) {
#endif
if(mpq_set_str(*mpq_t_obj, SvPV_nolen(b), 0))
croak("Invalid string supplied to Math::GMPq::overload_mul");
mpq_canonicalize(*mpq_t_obj);
mpq_mul(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(SV_IS_NOK(b)) {
Rmpq_set_NV(aTHX_ mpq_t_obj, b);
mpq_mul(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(object) {
if(strEQ(h, "Math::GMPq")) {
mpq_mul(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *(INT2PTR(mpq_t *, SvIVX(SvRV(b)))));
return obj_ref;
}
if(strEQ(h, "Math::GMPz") || strEQ(h, "Math::GMP")) {
Rmpq_mul_z(mpq_t_obj, INT2PTR(mpq_t *, SvIVX(SvRV(a))), INT2PTR(mpz_t *, SvIVX(SvRV(b))));
return obj_ref;
}
}
croak("Invalid argument supplied to Math::GMPq::overload_mul");
}
void Rmpq_and (mpq_t * rop, mpq_t * a, mpq_t * b) {
mpz_t az, bz;
mpz_init(az);
mpz_init(bz);
mpz_set_q( az, *a );
mpz_set_q( bz, *b );
mpz_and ( az, az, bz );
mpq_set_z(*rop, az);
mpz_clear(az);
mpz_clear(bz);
}
void Rmpq_ior (mpq_t * rop, mpq_t * a, mpq_t * b) {
mpz_t az, bz;
mpz_init(az);
mpz_init(bz);
mpz_set_q( az, *a );
mpz_set_q( bz, *b );
mpz_ior ( az, az, bz );
mpq_set_z(*rop, az);
mpz_clear(az);
mpz_clear(bz);
}
void Rmpq_xor (mpq_t * rop, mpq_t * a, mpq_t * b) {
mpz_t az, bz;
mpz_init(az);
mpz_init(bz);
mpz_set_q( az, *a );
mpz_set_q( bz, *b );
mpz_xor ( az, az, bz );
mpq_set_z(*rop, az);
mpz_clear(az);
mpz_clear(bz);
}
void Rmpq_com (mpq_t * rop, mpq_t * a) {
mpz_t az;
mpz_init(az);
mpz_set_q( az, *a );
mpz_com (az, az);
mpq_set_z(*rop, az);
mpz_clear(az);
}
SV * _overload_add(pTHX_ SV * a, SV * b, SV * third) {
mpq_t * mpq_t_obj;
SV * obj_ref, * obj;
const char *h;
int object = 0;
PERL_UNUSED_ARG(third);
if(sv_isobject(b)) {
object = 1;
h = HvNAME(SvSTASH(SvRV(b)));
if(strEQ(h, "Math::MPFR")) { /* will return */
_overload_callback("Math::MPFR::overload_add", "Math::GMPq::overload_add", newSViv(0));
}
}
/* create new object */
New(1, mpq_t_obj, 1, mpq_t);
if(mpq_t_obj == NULL) croak("Failed to allocate memory in overload_add function");
obj_ref = newSV(0);
obj = newSVrv(obj_ref, "Math::GMPq");
mpq_init(*mpq_t_obj);
sv_setiv(obj, INT2PTR(IV, mpq_t_obj));
SvREADONLY_on(obj);
if(SV_IS_IOK(b)) {
Rmpq_set_IV(aTHX_ mpq_t_obj, b, newSViv(1));
mpq_add(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
#if defined(GMPQ_PV_NV_BUG)
if( (SV_IS_POK(b) && !SV_IS_NOK(b))
||
(SV_IS_POK(b) && SV_IS_NOK(b) && SvIOKp(b)) ) {
#else
if(SV_IS_POK(b)) {
#endif
if(mpq_set_str(*mpq_t_obj, SvPV_nolen(b), 0))
croak("Invalid string supplied to Math::GMPq::overload_add");
mpq_canonicalize(*mpq_t_obj);
mpq_add(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(SV_IS_NOK(b)) {
Rmpq_set_NV(aTHX_ mpq_t_obj, b);
mpq_add(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(object) {
if(strEQ(h, "Math::GMPq")) {
mpq_add(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *(INT2PTR(mpq_t *, SvIVX(SvRV(b)))));
return obj_ref;
}
if(strEQ(h, "Math::GMPz") || strEQ(h, "Math::GMP")) {
Rmpq_add_z(mpq_t_obj, INT2PTR(mpq_t *, SvIVX(SvRV(a))), INT2PTR(mpz_t *, SvIVX(SvRV(b))));
return obj_ref;
}
}
croak("Invalid argument supplied to Math::GMPq::overload_add");
}
SV * _overload_sub(pTHX_ SV * a, SV * b, SV * third) {
mpq_t * mpq_t_obj;
SV * obj_ref, * obj;
const char *h;
int object = 0;
if(sv_isobject(b)) {
object = 1;
h = HvNAME(SvSTASH(SvRV(b)));
if(strEQ(h, "Math::MPFR")) { /* will return */
_overload_callback("Math::MPFR::overload_sub", "Math::GMPq::overload_sub", &PL_sv_yes);
}
}
/* create new object */
New(1, mpq_t_obj, 1, mpq_t);
if(mpq_t_obj == NULL) croak("Failed to allocate memory in overload_sub function");
obj_ref = newSV(0);
obj = newSVrv(obj_ref, "Math::GMPq");
mpq_init(*mpq_t_obj);
sv_setiv(obj, INT2PTR(IV, mpq_t_obj));
SvREADONLY_on(obj);
if(SV_IS_IOK(b)) {
Rmpq_set_IV(aTHX_ mpq_t_obj, b, newSViv(1));
if(SWITCH_ARGS) mpq_sub(*mpq_t_obj, *mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))));
else mpq_sub(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
#if defined(GMPQ_PV_NV_BUG)
if( (SV_IS_POK(b) && !SV_IS_NOK(b))
||
(SV_IS_POK(b) && SV_IS_NOK(b) && SvIOKp(b)) ) {
#else
if(SV_IS_POK(b)) {
#endif
if(mpq_set_str(*mpq_t_obj, SvPV_nolen(b), 0))
croak("Invalid string supplied to Math::GMPq::overload_sub");
mpq_canonicalize(*mpq_t_obj);
if(SWITCH_ARGS) mpq_sub(*mpq_t_obj, *mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))));
else mpq_sub(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(SV_IS_NOK(b)) {
Rmpq_set_NV(aTHX_ mpq_t_obj, b);
if(SWITCH_ARGS) mpq_sub(*mpq_t_obj, *mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))));
else mpq_sub(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(object) {
if(strEQ(h, "Math::GMPq")) {
mpq_sub(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *(INT2PTR(mpq_t *, SvIVX(SvRV(b)))));
return obj_ref;
}
if(strEQ(h, "Math::GMPz") || strEQ(h, "Math::GMP")) {
if(SWITCH_ARGS) {
Rmpq_z_sub(mpq_t_obj, INT2PTR(mpz_t *, SvIVX(SvRV(b))), INT2PTR(mpq_t *, SvIVX(SvRV(a))));
}
else {
Rmpq_sub_z(mpq_t_obj, INT2PTR(mpq_t *, SvIVX(SvRV(a))), INT2PTR(mpz_t *, SvIVX(SvRV(b))));
}
return obj_ref;
}
}
croak("Invalid argument supplied to Math::GMPq::overload_sub function");
}
SV * _overload_div(pTHX_ SV * a, SV * b, SV * third) {
mpq_t * mpq_t_obj;
SV * obj_ref, * obj;
const char *h;
int object = 0;
if(sv_isobject(b)) {
object = 1;
h = HvNAME(SvSTASH(SvRV(b)));
if(strEQ(h, "Math::MPFR")) { /* will return */
/* divby0 is allowed here */
_overload_callback("Math::MPFR::overload_div", "Math::GMPq::overload_div", &PL_sv_yes);
}
}
/* create new object */
New(1, mpq_t_obj, 1, mpq_t);
if(mpq_t_obj == NULL) croak("Failed to allocate memory in overload_div function");
obj_ref = newSV(0);
obj = newSVrv(obj_ref, "Math::GMPq");
mpq_init(*mpq_t_obj);
sv_setiv(obj, INT2PTR(IV, mpq_t_obj));
SvREADONLY_on(obj);
if(SV_IS_IOK(b)) {
if(SvIV(b) == 0)
croak("Division by 0 not allowed in Math::GMPq::overload_div");
Rmpq_set_IV(aTHX_ mpq_t_obj, b, newSViv(1));
if(SWITCH_ARGS) mpq_div(*mpq_t_obj, *mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))));
else mpq_div(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
#if defined(GMPQ_PV_NV_BUG)
if( (SV_IS_POK(b) && !SV_IS_NOK(b))
||
(SV_IS_POK(b) && SV_IS_NOK(b) && SvIOKp(b)) ) {
#else
if(SV_IS_POK(b)) {
#endif
if(mpq_set_str(*mpq_t_obj, SvPV_nolen(b), 0))
croak("Invalid string supplied to Math::GMPq::overload_div");
mpq_canonicalize(*mpq_t_obj);
if(!mpq_cmp_ui(*mpq_t_obj, 0, 1))
croak("Division by 0 not allowed in Math::GMPq::overload_div");
if(SWITCH_ARGS) mpq_div(*mpq_t_obj, *mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))));
else mpq_div(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(SV_IS_NOK(b)) {
if(SvNV(b) == 0)
croak("Division by 0 not allowed in Math::GMPq::overload_div");
/* If SvNV(b) is Inf or Nan, this will be caught by Rmpq_set_NV */
Rmpq_set_NV(aTHX_ mpq_t_obj, b);
if(SWITCH_ARGS) mpq_div(*mpq_t_obj, *mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))));
else mpq_div(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *mpq_t_obj);
return obj_ref;
}
if(object) {
if(strEQ(h, "Math::GMPq")) {
if(!mpq_cmp_ui(*(INT2PTR(mpq_t *, SvIVX(SvRV(b)))), 0, 1))
croak("Division by 0 not allowed in Math::GMPq::overload_div");
mpq_div(*mpq_t_obj, *(INT2PTR(mpq_t *, SvIVX(SvRV(a)))), *(INT2PTR(mpq_t *, SvIVX(SvRV(b)))));