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author | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
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committer | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
commit | a6c1ed4716cf02626ea035beb6dd4a921642ba80 (patch) | |
tree | ef582c1b52819e27bdd16097ec03b69799d04ede /newlib/libc/machine/necv70/necv70.tex | |
parent | f6c9a624fa8a6878a7fb2b02f55e4990a20feb59 (diff) |
Use libc from agbcc instead of standalone newlib\nYou must have AGBCC commit 80d029caec189587f8b9294b6c8a5a489b8f5f88 in order to compile pmd_red.gbalibc
Diffstat (limited to 'newlib/libc/machine/necv70/necv70.tex')
-rw-r--r-- | newlib/libc/machine/necv70/necv70.tex | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/newlib/libc/machine/necv70/necv70.tex b/newlib/libc/machine/necv70/necv70.tex deleted file mode 100644 index be5397f..0000000 --- a/newlib/libc/machine/necv70/necv70.tex +++ /dev/null @@ -1,99 +0,0 @@ -@node machine,,syscalls,Top -@chapter NEC V70 Specific Functions - -The NEC V70 has machine instructions for fast IEEE floating point, -including operations normally provided by the library. - -When you use the @file{/usr/include/fastmath.h} header file, the -names of several library math functions are redefined to call the -@code{fastmath} routine (using the corresponding V70 machine instructions) -whenever possible. - -For example, -@example - -#include <fastmath.h> - -double sqsin(x) -double x; -@{ - return sin(x*x); -@} - -@end example -expands into the code -@example - -@dots{} -double sqsin(x) -double x; -@{ - return fast_sin(x*x); -@} - -@end example - -The library has an entry @code{fast_sin} which uses the machine -instruction @code{fsin.l} to perform the operation. Note that the -built-in instructions cannot call @code{matherr} or set @code{errno} -in the same way that the C coded functions do. Refer to a V70 -instruction manual to see how errors are generated and handled. - -Also, the library provides true @code{float} entry points. The -@code{fast_sinf} entry point really performs a @code{fsin.s} -operation. Because of this, the instructions are only useful when -using code compiled with an ANSI C compiler. The prototypes -and definitions for the floating point versions of the math library -routines are only defined if compiling a module with an ANSI C -compiler. - -@page -@section Entry points -The functions provided by @file{fastmath.h} are -@example - - double fast_sin(double); /* fsin.l */ - double fast_cos(double); /* fcos.l */ - double fast_tan(double); /* ftan.l */ - double fast_asin(double); /* fasin.l */ - double fast_acos(double); /* facos.l */ - double fast_atan(double); /* fatan.l */ - double fast_sinh(double); /* fsinh.l */ - double fast_cosh(double); /* fcosh.l */ - double fast_tanh(double); /* ftanh.l */ - double fast_asinh(double); /* fasinh.l */ - double fast_acosh(double); /* facosh.l */ - double fast_atanh(double); /* fatanh.l */ - double fast_fabs(double); /* fabs.l */ - double fast_sqrt(double); /* fsqrt.l */ - double fast_exp2(double); /* fexp2.l */ - double fast_exp10(double); /* fexp10.l */ - double fast_expe(double); /* fexpe.l */ - double fast_log10(double); /* flog10.l */ - double fast_log2(double); /* flog2.l */ - double fast_loge(double); /* floge.l */ - - float fast_sinf(float); /* fsin.s */ - float fast_cosf(float); /* fcos.s */ - float fast_tanf(float); /* ftan.s */ - float fast_asinf(float); /* fasin.s */ - float fast_acosf(float); /* facos.s */ - float fast_atanf(float); /* fatan.s */ - float fast_sinhf(float); /* fsinh.s */ - float fast_coshf(float); /* fcosh.s */ - float fast_tanhf(float); /* ftanh.s */ - float fast_asinhf(float); /* fasinh.s */ - float fast_acoshf(float); /* facosh.s */ - float fast_atanhf(float); /* fatanh.s */ - float fast_fabsf(float); /* fabs.s */ - float fast_sqrtf(float); /* fsqrt.s */ - float fast_exp2f(float); /* fexp2.s */ - float fast_exp10f(float); /* fexp10.s */ - float fast_expef(float); /* fexpe.s */ - float fast_log10f(float); /* flog10.s */ - float fast_log2f(float); /* flog2.s */ - float fast_logef(float); /* floge.s */ - -@end example - - |