// CHECK-LABEL: define void @bar( void bar() { float f; double d; long double ld; // LLVM's hex representation of float constants is really unfortunate; // basically it does a float-to-double "conversion" and then prints the // hex form of that. That gives us weird artifacts like exponents // that aren't numerically similar to the original exponent and // significand bit-patterns that are offset by three bits (because // the exponent was expanded from 8 bits to 11). // // 0xAE98 == 1010111010011000 // 0x15D3 == 1010111010011 f = __builtin_huge_valf(); // CHECK: float 0x7FF0000000000000 d = __builtin_huge_val(); // CHECK: double 0x7FF0000000000000 ld = __builtin_huge_vall(); // CHECK: x86_fp80 0xK7FFF8000000000000000 f = __builtin_nanf(""); // CHECK: float 0x7FF8000000000000 d = __builtin_nan(""); // CHECK: double 0x7FF8000000000000 ld = __builtin_nanl(""); // CHECK: x86_fp80 0xK7FFFC000000000000000 f = __builtin_nanf("0xAE98"); // CHECK: float 0x7FF815D300000000 d = __builtin_nan("0xAE98"); // CHECK: double 0x7FF800000000AE98 ld = __builtin_nanl("0xAE98"); // CHECK: x86_fp80 0xK7FFFC00000000000AE98 f = __builtin_nansf(""); // CHECK: float 0x7FF4000000000000 d = __builtin_nans(""); // CHECK: double 0x7FF4000000000000 ld = __builtin_nansl(""); // CHECK: x86_fp80 0xK7FFFA000000000000000 f = __builtin_nansf("0xAE98"); // CHECK: float 0x7FF015D300000000 d = __builtin_nans("0xAE98"); // CHECK: double 0x7FF000000000AE98 ld = __builtin_nansl("0xAE98");// CHECK: x86_fp80 0xK7FFF800000000000AE98 }
int main () { double nan = __builtin_nan (""); float nanf = __builtin_nanf (""); long double nanl = __builtin_nanl (""); double pinf = __builtin_inf (); float pinff = __builtin_inff (); long double pinfl = __builtin_infl (); if (__builtin_finite (pinf)) link_error (); if (__builtin_finitef (pinff)) link_error (); if (__builtin_finitel (pinfl)) link_error (); if (__builtin_finite (nan)) link_error (); if (__builtin_finitef (nanf)) link_error (); if (__builtin_finitel (nanl)) link_error (); if (!__builtin_finite (4.0)) link_error (); if (!__builtin_finitef (4.0)) link_error (); if (!__builtin_finitel (4.0)) link_error (); }
int main() { volatile float a = __builtin_nanf(""); if (__builtin_isfinite(a)) { return 1; } volatile float b = __builtin_inff(); if (__builtin_isfinite(b)) { return 1; } volatile double c = __builtin_nan(""); if (__builtin_isfinite(c)) { return 1; } volatile double d = __builtin_inf(); if (__builtin_isfinite(d)) { return 1; } #ifdef __clang__ // TODO: dragonegg uses native calls which do not work with X86_FP80 volatile long double e = __builtin_nanl(""); if (__builtin_isfinite(e)) { return 1; } volatile long double f = __builtin_infl(); if (__builtin_isfinite(f)) { return 1; } #endif volatile float g = 0; if (!__builtin_isfinite(g)) { return 1; } volatile double h = 0; if (!__builtin_isfinite(h)) { return 1; } #ifdef __clang__ // TODO: dragonegg uses native calls which do not work with X86_FP80 volatile long double i = 0; if (!__builtin_isfinite(i)) { return 1; } #endif return 0; }
int main() { volatile float a = __builtin_nanf(""); if (!__builtin_isnan(a)) { return 1; } volatile float b = __builtin_nansf(""); if (!__builtin_isnan(b)) { return 1; } volatile double c = __builtin_nan(""); if (!__builtin_isnan(c)) { return 1; } volatile double d = __builtin_nans(""); if (!__builtin_isnan(d)) { return 1; } volatile long double e = __builtin_nanl(""); if (!__builtin_isnan(e)) { return 1; } volatile long double f = __builtin_nansl(""); if (!__builtin_isnan(f)) { return 1; } volatile float g = 0; if (__builtin_isnan(g)) { return 1; } volatile double h = 0; if (__builtin_isnan(h)) { return 1; } volatile long double i = 0; if (__builtin_isnan(i)) { return 1; } return 0; }
// RUN: %clang_cc1 -fsyntax-only -verify %s // Math stuff double g0 = __builtin_huge_val(); float g1 = __builtin_huge_valf(); long double g2 = __builtin_huge_vall(); double g3 = __builtin_inf(); float g4 = __builtin_inff(); long double g5 = __builtin_infl(); double g6 = __builtin_nan(""); float g7 = __builtin_nanf(""); long double g8 = __builtin_nanl(""); // GCC constant folds these too (via native strtol): //double g6_1 = __builtin_nan("1"); //float g7_1 = __builtin_nanf("1"); //long double g8_1 = __builtin_nanl("1"); // APFloat doesn't have signalling NaN functions. //double g9 = __builtin_nans(""); //float g10 = __builtin_nansf(""); //long double g11 = __builtin_nansl(""); //int g12 = __builtin_abs(-12); double g13 = __builtin_fabs(-12.); double g13_0 = __builtin_fabs(-0.); double g13_1 = __builtin_fabs(-__builtin_inf());
void bar() { /* An argument of NaN is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_exp2f (__builtin_nanf(""))); #endif foo (__builtin_exp2 (__builtin_nan(""))); fool (__builtin_exp2l (__builtin_nanl(""))); /* An argument of Inf/-Inf is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_exp2f (__builtin_inff())); #endif foo (__builtin_exp2 (__builtin_inf())); fool (__builtin_exp2l (__builtin_infl())); #ifndef __SPU__ foof (__builtin_exp2f (-__builtin_inff())); #endif foo (__builtin_exp2 (-__builtin_inf())); fool (__builtin_exp2l (-__builtin_infl())); /* Result overflows MPFR, which in version 2.2.x has 30 exponent bits. */ TESTIT (exp2, 0x1p50); /* Result underflows MPFR, which in version 2.2.x has 30 exponent bits. */ TESTIT (exp2, -0x1p50); /* Result overflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits. */ TESTIT (exp2, 0x1p28); /* Result underflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits. */ TESTIT (exp2, -0x1p28); /* Result overflows (even an extended) C double's mode. */ TESTIT (exp2, 0x1p24); /* Result underflows (even an extended) C double's mode. */ TESTIT (exp2, -0x1p24); /* Ensure that normal arguments/results are folded. */ TESTIT (exp2, 1.5); TESTIT (exp2, -1.5); /* The asin arg must be [-1 ... 1] inclusive. */ TESTIT (asin, -1.5); TESTIT (asin, 1.5); /* The acos arg must be [-1 ... 1] inclusive. */ TESTIT (acos, -1.5); TESTIT (acos, 1.5); /* The acosh arg must be [1 ... Inf] inclusive. */ TESTIT (acosh, 0.5); /* The atanh arg must be [-1 ... 1] EXclusive. */ TESTIT (atanh, -1.0); TESTIT (atanh, 1.0); /* The log* arg must be [0 ... Inf] EXclusive. */ TESTIT (log, -1.0); TESTIT (log, 0.0); TESTIT (log, -0.0); TESTIT (log2, -1.0); TESTIT (log2, 0.0); TESTIT (log2, -0.0); TESTIT (log10, -1.0); TESTIT (log10, 0.0); TESTIT (log10, -0.0); /* The log1p arg must be [-1 ... Inf] EXclusive. */ TESTIT (log1p, -2.0); TESTIT (log1p, -1.0); /* The tgamma arg errors with zero or negative integers. */ TESTIT (tgamma, 0.0); TESTIT (tgamma, -0.0); TESTIT (tgamma, -1.0); TESTIT (tgamma, -2.0); TESTIT (tgamma, -3.0); /* An argument of NaN is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_powf (__builtin_nanf(""), 2.5F)); #endif foo (__builtin_pow (__builtin_nan(""), 2.5)); fool (__builtin_powl (__builtin_nanl(""), 2.5L)); #ifndef __SPU__ foof (__builtin_powf (2.5F, __builtin_nanf(""))); #endif foo (__builtin_pow (2.5, __builtin_nan(""))); fool (__builtin_powl (2.5L, __builtin_nanl(""))); /* An argument of Inf/-Inf is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_powf (__builtin_inff(), 2.5F)); #endif foo (__builtin_pow (__builtin_inf(), 2.5)); fool (__builtin_powl (__builtin_infl(), 2.5L)); #ifndef __SPU__ foof (__builtin_powf (-__builtin_inff(), 2.5F)); #endif foo (__builtin_pow (-__builtin_inf(), 2.5)); fool (__builtin_powl (-__builtin_infl(), 2.5L)); #ifndef __SPU__ foof (__builtin_powf (2.5F, __builtin_inff())); #endif foo (__builtin_pow (2.5, __builtin_inf())); fool (__builtin_powl (2.5L, __builtin_infl())); #ifndef __SPU__ foof (__builtin_powf (2.5F, -__builtin_inff())); #endif foo (__builtin_pow (2.5, -__builtin_inf())); fool (__builtin_powl (2.5L, -__builtin_infl())); /* Check for Inv/NaN return values. */ TESTIT2 (pow, -0.0, -4.5); /* Returns Inf */ TESTIT2 (pow, 0.0, -4.5); /* Returns Inf */ TESTIT2 (pow, -3.0, -4.5); /* Returns NaN */ /* Check for overflow/underflow. */ foof (__builtin_powf (__FLT_MAX__, 3.5F)); foo (__builtin_pow (__DBL_MAX__, 3.5)); fool (__builtin_powl (__LDBL_MAX__, 3.5L)); TESTIT2 (pow, 2.0, 0x1p50); foof (__builtin_powf (__FLT_MAX__, -3.5F)); foo (__builtin_pow (__DBL_MAX__, -3.5)); fool (__builtin_powl (__LDBL_MAX__, -3.5L)); TESTIT2 (pow, 2.0, -0x1p50); /* The sqrt arg must be [0 ... Inf] inclusive. */ TESTIT (sqrt, -0.5); TESTIT (sqrt, -0.0); TESTIT (sqrt, 0.0); /* Check for overflow/underflow. */ /* These adjustments are too big. */ #define FLT_EXP_ADJ (2*(__FLT_MAX_EXP__-__FLT_MIN_EXP__)+1) #define DBL_EXP_ADJ (2*(__DBL_MAX_EXP__-__DBL_MIN_EXP__)+1) #define LDBL_EXP_ADJ (2*(__LDBL_MAX_EXP__-__LDBL_MIN_EXP__)+1) TESTIT2_I2 (ldexp, 1.0, __INT_MAX__); TESTIT2_I2 (ldexp, 1.0, -__INT_MAX__-1); TESTIT2_I2 (ldexp, -1.0, __INT_MAX__); TESTIT2_I2 (ldexp, -1.0, -__INT_MAX__-1); TESTIT2_I2ALL (ldexp, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__, DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ); TESTIT2_I2ALL (ldexp, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__, -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ); TESTIT2_I2ALL (ldexp, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__, __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__); TESTIT2_I2ALL (ldexp, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__, __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__); TESTIT2_I2 (scalbn, 1.0, __INT_MAX__); TESTIT2_I2 (scalbn, 1.0, -__INT_MAX__-1); TESTIT2_I2 (scalbn, -1.0, __INT_MAX__); TESTIT2_I2 (scalbn, -1.0, -__INT_MAX__-1); TESTIT2_I2ALL (scalbn, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__, DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ); TESTIT2_I2ALL (scalbn, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__, -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ); TESTIT2_I2ALL (scalbn, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__, __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__); TESTIT2_I2ALL (scalbn, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__, __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__); TESTIT2_I2 (scalbln, 1.0, __LONG_MAX__); TESTIT2_I2 (scalbln, 1.0, -__LONG_MAX__-1); TESTIT2_I2 (scalbln, -1.0, __LONG_MAX__); TESTIT2_I2 (scalbln, -1.0, -__LONG_MAX__-1); TESTIT2_I2ALL (scalbln, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__, DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ); TESTIT2_I2ALL (scalbln, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__, -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ); TESTIT2_I2ALL (scalbln, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__, __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__); TESTIT2_I2ALL (scalbln, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__, __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__); TESTIT (logb, 0.0); TESTIT (logb, -0.0); TESTIT (ilogb, 0.0); TESTIT (ilogb, -0.0); #ifndef __SPU__ foof (__builtin_ilogbf (__builtin_inff())); #endif foo (__builtin_ilogb (__builtin_inf())); fool (__builtin_ilogbl (__builtin_infl())); #ifndef __SPU__ foof (__builtin_ilogbf (-__builtin_inff())); #endif foo (__builtin_ilogb (-__builtin_inf())); fool (__builtin_ilogbl (-__builtin_infl())); #ifndef __SPU__ foof (__builtin_ilogbf (__builtin_nanf(""))); #endif foo (__builtin_ilogb (__builtin_nan(""))); fool (__builtin_ilogbl (__builtin_nanl(""))); #ifndef __SPU__ foof (__builtin_ilogbf (-__builtin_nanf(""))); #endif foo (__builtin_ilogb (-__builtin_nan(""))); fool (__builtin_ilogbl (-__builtin_nanl(""))); /* The y* arg must be [0 ... Inf] EXclusive. */ TESTIT (y0, -1.0); TESTIT (y0, 0.0); TESTIT (y0, -0.0); TESTIT (y1, -1.0); TESTIT (y1, 0.0); TESTIT (y1, -0.0); TESTIT2_I1 (yn, 2, -1.0); TESTIT2_I1 (yn, 2, 0.0); TESTIT2_I1 (yn, 2, -0.0); TESTIT2_I1 (yn, -3, -1.0); TESTIT2_I1 (yn, -3, 0.0); TESTIT2_I1 (yn, -3, -0.0); /* The second argument of remquo/remainder/drem must not be 0. */ TESTIT_REMQUO (1.0, 0.0); TESTIT_REMQUO (1.0, -0.0); TESTIT2 (remainder, 1.0, 0.0); TESTIT2 (remainder, 1.0, -0.0); TESTIT2 (drem, 1.0, 0.0); TESTIT2 (drem, 1.0, -0.0); /* The argument to lgamma* cannot be zero or a negative integer. */ TESTIT_REENT (lgamma, -4.0); /* lgamma_r */ TESTIT_REENT (lgamma, -3.0); /* lgamma_r */ TESTIT_REENT (lgamma, -2.0); /* lgamma_r */ TESTIT_REENT (lgamma, -1.0); /* lgamma_r */ TESTIT_REENT (lgamma, -0.0); /* lgamma_r */ TESTIT_REENT (lgamma, 0.0); /* lgamma_r */ TESTIT_REENT (gamma, -4.0); /* gamma_r */ TESTIT_REENT (gamma, -3.0); /* gamma_r */ TESTIT_REENT (gamma, -2.0); /* gamma_r */ TESTIT_REENT (gamma, -1.0); /* gamma_r */ TESTIT_REENT (gamma, -0.0); /* gamma_r */ TESTIT_REENT (gamma, 0.0); /* gamma_r */ }
int convert_infnan (st_parameter_dt *dtp, void *dest, const char *buffer, int length) { const char *s = buffer; int is_inf, plus = 1; if (*s == '+') s++; else if (*s == '-') { s++; plus = 0; } is_inf = *s == 'i'; switch (length) { case 4: if (is_inf) *((GFC_REAL_4*) dest) = plus ? __builtin_inff () : -__builtin_inff (); else *((GFC_REAL_4*) dest) = plus ? __builtin_nanf ("") : -__builtin_nanf (""); break; case 8: if (is_inf) *((GFC_REAL_8*) dest) = plus ? __builtin_inf () : -__builtin_inf (); else *((GFC_REAL_8*) dest) = plus ? __builtin_nan ("") : -__builtin_nan (""); break; #if defined(HAVE_GFC_REAL_10) case 10: if (is_inf) *((GFC_REAL_10*) dest) = plus ? __builtin_infl () : -__builtin_infl (); else *((GFC_REAL_10*) dest) = plus ? __builtin_nanl ("") : -__builtin_nanl (""); break; #endif #if defined(HAVE_GFC_REAL_16) # if defined(GFC_REAL_16_IS_FLOAT128) case 16: *((GFC_REAL_16*) dest) = __qmath_(strtoflt128) (buffer, NULL); break; # else case 16: if (is_inf) *((GFC_REAL_16*) dest) = plus ? __builtin_infl () : -__builtin_infl (); else *((GFC_REAL_16*) dest) = plus ? __builtin_nanl ("") : -__builtin_nanl (""); break; # endif #endif default: internal_error (&dtp->common, "Unsupported real kind during IO"); } return 0; }
void bar() { /* An argument of NaN is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_csqrtf (__builtin_nanf(""))); #endif foo (__builtin_csqrt (__builtin_nan(""))); fool (__builtin_csqrtl (__builtin_nanl(""))); /* An argument of Inf/-Inf is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_csqrtf (__builtin_inff())); #endif foo (__builtin_csqrt (__builtin_inf())); fool (__builtin_csqrtl (__builtin_infl())); #ifndef __SPU__ foof (__builtin_csqrtf (-__builtin_inff())); #endif foo (__builtin_csqrt (-__builtin_inf())); fool (__builtin_csqrtl (-__builtin_infl())); /* Check for overflow/underflow. */ TESTIT (cexp, 1e20); TESTIT (cexp, -1e20); /* An argument of NaN is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_cpowf (__builtin_nanf(""), 2.5F)); #endif foo (__builtin_cpow (__builtin_nan(""), 2.5)); fool (__builtin_cpowl (__builtin_nanl(""), 2.5L)); #ifndef __SPU__ foof (__builtin_cpowf (2.5F, __builtin_nanf(""))); #endif foo (__builtin_cpow (2.5, __builtin_nan(""))); fool (__builtin_cpowl (2.5L, __builtin_nanl(""))); /* An argument of Inf/-Inf is not evaluated at compile-time. */ #ifndef __SPU__ foof (__builtin_cpowf (__builtin_inff(), 2.5F)); #endif foo (__builtin_cpow (__builtin_inf(), 2.5)); fool (__builtin_cpowl (__builtin_infl(), 2.5L)); #ifndef __SPU__ foof (__builtin_cpowf (-__builtin_inff(), 2.5F)); #endif foo (__builtin_cpow (-__builtin_inf(), 2.5)); fool (__builtin_cpowl (-__builtin_infl(), 2.5L)); #ifndef __SPU__ foof (__builtin_cpowf (2.5F, __builtin_inff())); #endif foo (__builtin_cpow (2.5, __builtin_inf())); fool (__builtin_cpowl (2.5L, __builtin_infl())); #ifndef __SPU__ foof (__builtin_cpowf (2.5F, -__builtin_inff())); #endif foo (__builtin_cpow (2.5, -__builtin_inf())); fool (__builtin_cpowl (2.5L, -__builtin_infl())); /* Check for Inv/NaN return values. */ TESTIT2 (cpow, -0.0, -4.5); /* Returns Inf */ TESTIT2 (cpow, 0.0, -4.5); /* Returns Inf */ /* Check for overflow/underflow. */ foof (__builtin_cpowf (__FLT_MAX__, 3.5F)); foof (__builtin_cpowf (__FLT_MAX__ * 1.FI, 3.5F)); foo (__builtin_cpow (__DBL_MAX__, 3.5)); foo (__builtin_cpow (__DBL_MAX__ * 1.I, 3.5)); fool (__builtin_cpowl (__LDBL_MAX__, 3.5L)); fool (__builtin_cpowl (__LDBL_MAX__ * 1.LI, 3.5L)); TESTIT2 (cpow, 2.0, 0x1p50); TESTIT2 (cpow, 2.0, 0x1p28); TESTIT2 (cpow, 2.0, 0x1p24); foof (__builtin_cpowf (__FLT_MAX__, -3.5F)); foof (__builtin_cpowf (__FLT_MAX__ * 1.FI, -3.5F)); foo (__builtin_cpow (__DBL_MAX__, -3.5)); foo (__builtin_cpow (__DBL_MAX__ * 1.I, -3.5)); fool (__builtin_cpowl (__LDBL_MAX__, -3.5L)); fool (__builtin_cpowl (__LDBL_MAX__ * 1.LI, -3.5L)); TESTIT2 (cpow, 2.0, -0x1p50); TESTIT2 (cpow, 2.0, -0x1p28); TESTIT2 (cpow, 2.0, -0x1p24); }