From 01c798c31a94a50ad0c4a022fc21c1a31553be21 Mon Sep 17 00:00:00 2001 From: Yegappan Lakshmanan Date: Wed, 2 Jun 2021 17:07:18 +0200 Subject: patch 8.2.2928: the evalfunc.c file is too big Problem: The evalfunc.c file is too big. Solution: Move float related functionality to a separate file. (Yegappan Lakshmanan, closes #8287) --- src/float.c | 477 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 477 insertions(+) create mode 100644 src/float.c (limited to 'src/float.c') diff --git a/src/float.c b/src/float.c new file mode 100644 index 0000000000..1361a36d50 --- /dev/null +++ b/src/float.c @@ -0,0 +1,477 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * float.c: Floating point functions + */ +#define USING_FLOAT_STUFF + +#include "vim.h" + +#if (defined(FEAT_EVAL) && defined(FEAT_FLOAT)) || defined(PROTO) + +#ifdef VMS +# include +#endif + +/* + * Convert the string "text" to a floating point number. + * This uses strtod(). setlocale(LC_NUMERIC, "C") has been used to make sure + * this always uses a decimal point. + * Returns the length of the text that was consumed. + */ + int +string2float( + char_u *text, + float_T *value) // result stored here +{ + char *s = (char *)text; + float_T f; + + // MS-Windows does not deal with "inf" and "nan" properly. + if (STRNICMP(text, "inf", 3) == 0) + { + *value = INFINITY; + return 3; + } + if (STRNICMP(text, "-inf", 3) == 0) + { + *value = -INFINITY; + return 4; + } + if (STRNICMP(text, "nan", 3) == 0) + { + *value = NAN; + return 3; + } + f = strtod(s, &s); + *value = f; + return (int)((char_u *)s - text); +} + +/* + * Get the float value of "argvars[0]" into "f". + * Returns FAIL when the argument is not a Number or Float. + */ + static int +get_float_arg(typval_T *argvars, float_T *f) +{ + if (argvars[0].v_type == VAR_FLOAT) + { + *f = argvars[0].vval.v_float; + return OK; + } + if (argvars[0].v_type == VAR_NUMBER) + { + *f = (float_T)argvars[0].vval.v_number; + return OK; + } + emsg(_("E808: Number or Float required")); + return FAIL; +} + +/* + * "abs(expr)" function + */ + void +f_abs(typval_T *argvars, typval_T *rettv) +{ + if (argvars[0].v_type == VAR_FLOAT) + { + rettv->v_type = VAR_FLOAT; + rettv->vval.v_float = fabs(argvars[0].vval.v_float); + } + else + { + varnumber_T n; + int error = FALSE; + + n = tv_get_number_chk(&argvars[0], &error); + if (error) + rettv->vval.v_number = -1; + else if (n > 0) + rettv->vval.v_number = n; + else + rettv->vval.v_number = -n; + } +} + +/* + * "acos()" function + */ + void +f_acos(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = acos(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "asin()" function + */ + void +f_asin(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = asin(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "atan()" function + */ + void +f_atan(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = atan(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "atan2()" function + */ + void +f_atan2(typval_T *argvars, typval_T *rettv) +{ + float_T fx = 0.0, fy = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &fx) == OK + && get_float_arg(&argvars[1], &fy) == OK) + rettv->vval.v_float = atan2(fx, fy); + else + rettv->vval.v_float = 0.0; +} + +/* + * "ceil({float})" function + */ + void +f_ceil(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = ceil(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "cos()" function + */ + void +f_cos(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = cos(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "cosh()" function + */ + void +f_cosh(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = cosh(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "exp()" function + */ + void +f_exp(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = exp(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "float2nr({float})" function + */ + void +f_float2nr(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + if (get_float_arg(argvars, &f) == OK) + { + if (f <= (float_T)-VARNUM_MAX + DBL_EPSILON) + rettv->vval.v_number = -VARNUM_MAX; + else if (f >= (float_T)VARNUM_MAX - DBL_EPSILON) + rettv->vval.v_number = VARNUM_MAX; + else + rettv->vval.v_number = (varnumber_T)f; + } +} + +/* + * "floor({float})" function + */ + void +f_floor(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = floor(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "fmod()" function + */ + void +f_fmod(typval_T *argvars, typval_T *rettv) +{ + float_T fx = 0.0, fy = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &fx) == OK + && get_float_arg(&argvars[1], &fy) == OK) + rettv->vval.v_float = fmod(fx, fy); + else + rettv->vval.v_float = 0.0; +} + +# if defined(HAVE_MATH_H) || defined(PROTO) +/* + * "isinf()" function + */ + void +f_isinf(typval_T *argvars, typval_T *rettv) +{ + if (argvars[0].v_type == VAR_FLOAT && isinf(argvars[0].vval.v_float)) + rettv->vval.v_number = argvars[0].vval.v_float > 0.0 ? 1 : -1; +} + +/* + * "isnan()" function + */ + void +f_isnan(typval_T *argvars, typval_T *rettv) +{ + rettv->vval.v_number = argvars[0].v_type == VAR_FLOAT + && isnan(argvars[0].vval.v_float); +} +# endif + +/* + * "log()" function + */ + void +f_log(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = log(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "log10()" function + */ + void +f_log10(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = log10(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "pow()" function + */ + void +f_pow(typval_T *argvars, typval_T *rettv) +{ + float_T fx = 0.0, fy = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &fx) == OK + && get_float_arg(&argvars[1], &fy) == OK) + rettv->vval.v_float = pow(fx, fy); + else + rettv->vval.v_float = 0.0; +} + + +/* + * round() is not in C90, use ceil() or floor() instead. + */ + float_T +vim_round(float_T f) +{ + return f > 0 ? floor(f + 0.5) : ceil(f - 0.5); +} + +/* + * "round({float})" function + */ + void +f_round(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = vim_round(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "sin()" function + */ + void +f_sin(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = sin(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "sinh()" function + */ + void +f_sinh(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = sinh(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "sqrt()" function + */ + void +f_sqrt(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = sqrt(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "str2float()" function + */ + void +f_str2float(typval_T *argvars, typval_T *rettv) +{ + char_u *p = skipwhite(tv_get_string(&argvars[0])); + int isneg = (*p == '-'); + + if (*p == '+' || *p == '-') + p = skipwhite(p + 1); + (void)string2float(p, &rettv->vval.v_float); + if (isneg) + rettv->vval.v_float *= -1; + rettv->v_type = VAR_FLOAT; +} + +/* + * "tan()" function + */ + void +f_tan(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = tan(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "tanh()" function + */ + void +f_tanh(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + rettv->vval.v_float = tanh(f); + else + rettv->vval.v_float = 0.0; +} + +/* + * "trunc({float})" function + */ + void +f_trunc(typval_T *argvars, typval_T *rettv) +{ + float_T f = 0.0; + + rettv->v_type = VAR_FLOAT; + if (get_float_arg(argvars, &f) == OK) + // trunc() is not in C90, use floor() or ceil() instead. + rettv->vval.v_float = f > 0 ? floor(f) : ceil(f); + else + rettv->vval.v_float = 0.0; +} + +#endif -- cgit v1.2.3