Standard library header <tgmath.h> (C99)

 

C

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Variadic function support

Error handling

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Numerics

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Input/output support

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Concurrency support (C11)

Technical Specifications

Symbol index

 

Standard Library headers

<assert.h> <complex.h> (C99) <ctype.h> <errno.h> <fenv.h> (C99) <float.h> <inttypes.h> (C99)     <iso646.h> (C95) <limits.h> <locale.h> <math.h>

<setjmp.h> <signal.h> <stdalign.h> (C11*) <stdarg.h> <stdatomic.h> (C11)     <stdbit.h> (C23) <stdbool.h> (C99*) <stdckdint.h> (C23) <stddef.h> <stdint.h> (C99) <stdio.h>

<stdlib.h> <stdmchar.h> (C29) <stdnoreturn.h> (C11*) <string.h> <tgmath.h> (C99) <threads.h> (C11) <time.h> <uchar.h> (C11) <wchar.h> (C95) <wctype.h> (C95)

 

This header is part of numeric library and provides type-generic macros that determine which real or, when applicable, complex function to call based on the types of the arguments.

Includes

<math.h>

<complex.h>

Synopsis

#include <math.h>
#include <complex.h>
 
#define __STDC_VERSION_TGMATH_H__ 202311L
#define acos              /* see description */
#define acosh             /* see description */
#define acospi            /* see description */
#define asin              /* see description */
#define asinh             /* see description */
#define asinpi            /* see description */
#define atan              /* see description */
#define atan2             /* see description */
#define atan2pi           /* see description */
#define atanh             /* see description */
#define atanpi            /* see description */
#define cbrt              /* see description */
#define ceil              /* see description */
#define compoundn         /* see description */
#define copysign          /* see description */
#define cos               /* see description */
#define cosh              /* see description */
#define cospi             /* see description */
#define dadd              /* see description */
#define ddiv              /* see description */
#define dfma              /* see description */
#define dmul              /* see description */
#define dsqrt             /* see description */
#define dsub              /* see description */
#define erf               /* see description */
#define erfc              /* see description */
#define exp               /* see description */
#define exp10             /* see description */
#define exp10m1           /* see description */
#define exp2              /* see description */
#define exp2m1            /* see description */
#define expm1             /* see description */
#define fabs              /* see description */
#define fadd              /* see description */
#define fdim              /* see description */
#define fdiv              /* see description */
#define ffma              /* see description */
#define floor             /* see description */
#define fma               /* see description */
#define fmax              /* see description */
#define fmaximum          /* see description */
#define fmaximum_mag      /* see description */
#define fmaximum_mag_num  /* see description */
#define fmaximum_num      /* see description */
#define fmin              /* see description */
#define fminimum          /* see description */
#define fminimum_mag      /* see description */
#define fminimum_mag_num  /* see description */
#define fminimum_num      /* see description */
#define fmod              /* see description */
#define fmul              /* see description */
#define frexp             /* see description */
#define fromfp            /* see description */
#define fromfpx           /* see description */
#define fsqrt             /* see description */
#define fsub              /* see description */
#define hypot             /* see description */
#define ilogb             /* see description */
#define ldexp             /* see description */
#define lgamma            /* see description */
#define llogb             /* see description */
#define llrint            /* see description */
#define llround           /* see description */
#define log               /* see description */
#define log10             /* see description */
#define log10p1           /* see description */
#define log1p             /* see description */
#define log2              /* see description */
#define log2p1            /* see description */
#define logb              /* see description */
#define logp1             /* see description */
#define lrint             /* see description */
#define lround            /* see description */
#define nearbyint         /* see description */
#define nextafter         /* see description */
#define nextdown          /* see description */
#define nexttoward        /* see description */
#define nextup            /* see description */
#define pow               /* see description */
#define pown              /* see description */
#define powr              /* see description */
#define remainder         /* see description */
#define remquo            /* see description */
#define rint              /* see description */
#define rootn             /* see description */
#define round             /* see description */
#define roundeven         /* see description */
#define rsqrt             /* see description */
#define scalbln           /* see description */
#define scalbn            /* see description */
#define sin               /* see description */
#define sinh              /* see description */
#define sinpi             /* see description */
#define sqrt              /* see description */
#define tan               /* see description */
#define tanh              /* see description */
#define tanpi             /* see description */
#define tgamma            /* see description */
#define trunc             /* see description */
#define ufromfp           /* see description */
#define ufromfpx          /* see description */

Only if the implementation does not define __STDC_NO_COMPLEX__:

#ifndef __STDC_WANT_LIB_EXT1__
#define carg  /* see description */
#define cimag /* see description */
#define conj  /* see description */
#define cproj /* see description */
#define creal /* see description */
#endif

Only if the implementation defines __STDC_IEC_60559_DFP__:

#define d32add      /* see description */
#define d32div      /* see description */
#define d32fma      /* see description */
#define d32mul      /* see description */
#define d32sqrt     /* see description */
#define d32sub      /* see description */
#define d64add      /* see description */
#define d64div      /* see description */
#define d64fma      /* see description */
#define d64mul      /* see description */
#define d64sqrt     /* see description */
#define d64sub      /* see description */
#define llquantexp  /* see description */
#define quantize    /* see description */
#define quantum     /* see description */
#define samequantum /* see description */

Only if the implementation defines __STDC_IEC_60559_TYPES__ and additionally the user code defines __STDC_WANT_IEC_60559_TYPES_EXT__ before any inclusion of <tgmath.h>:

#ifdef __STDC_WANT_IEC_60559_TYPES_EXT__
#define /*dMadd*/   /* see description */
#define /*dMdiv*/   /* see description */
#define /*dMfma*/   /* see description */
#define /*dMmul*/   /* see description */
#define /*dMsqrt*/  /* see description */
#define /*dMsub*/   /* see description */
#define /*dMxadd*/  /* see description */
#define /*dMxdiv*/  /* see description */
#define /*dMxfma*/  /* see description */
#define /*dMxmul*/  /* see description */
#define /*dMxsqrt*/ /* see description */
#define /*dMxsub*/  /* see description */
#define /*fMadd*/   /* see description */
#define /*fMdiv*/   /* see description */
#define /*fMfma*/   /* see description */
#define /*fMmul*/   /* see description */
#define /*fMsqrt*/  /* see description */
#define /*fMsub*/   /* see description */
#define /*fMxadd*/  /* see description */
#define /*fMxdiv*/  /* see description */
#define /*fMxfma*/  /* see description */
#define /*fMxmul*/  /* see description */
#define /*fMxsqrt*/ /* see description */
#define /*fMxsub*/  /* see description */