{"id":6773,"date":"2022-12-20T19:33:37","date_gmt":"2022-12-20T22:33:37","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/tcl_doubleobj-man3\/"},"modified":"2022-12-20T19:33:37","modified_gmt":"2022-12-20T22:33:37","slug":"tcl_doubleobj-man3","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/tcl_doubleobj-man3\/","title":{"rendered":"Tcl_DoubleObj (man3)"},"content":{"rendered":"

Tcl_DoubleObj<\/h1>\n

NAME<\/a>
SYNOPSIS<\/a>
ARGUMENTS<\/a>
DESCRIPTION<\/a>
SEE ALSO<\/a>
KEYWORDS<\/a> <\/p>\n

\n

______________________________________________________________________________<\/p>\n

NAME <\/a> <\/h2>\n

Tcl_NewDoubleObj, Tcl_SetDoubleObj, Tcl_GetDoubleFromObj \u2212 manipulate Tcl values as floating-point values<\/p>\n

SYNOPSIS <\/a> <\/h2>\n

#include <\/b><\/p>\n

Tcl_Obj bodies manpages.csv script_extrae_body.sh script.sh usr
Tcl_NewDoubleObj<\/b>(doubleValue<\/i>)<\/p>\n

Tcl_SetDoubleObj<\/b>(objPtr, doubleValue<\/i>)<\/p>\n

int
Tcl_GetDoubleFromObj<\/b>(interp, objPtr, doublePtr<\/i>)<\/p>\n

ARGUMENTS <\/a> <\/h2>\n\n\n\n\n\n
<\/td>\n\n

double doubleValue<\/i> (in)<\/p>\n<\/td>\n

<\/td>\n\n

A double-precision floating-point value used to initialize or set a Tcl value.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

Tcl_Obj *objPtr<\/i> (in\/out)<\/p>\n<\/td>\n

<\/td>\n\n

For Tcl_SetDoubleObj<\/b>, this points to the value in which to store a double value. For Tcl_GetDoubleFromObj<\/b>, this refers to the value from which to retrieve a double value.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

Tcl_Interp *interp<\/i> (in\/out)<\/p>\n<\/td>\n

<\/td>\n\n

When non-NULL, an error message is left here when double value retrieval fails.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

double *doublePtr<\/i> (out)<\/p>\n<\/td>\n

<\/td>\n\n

Points to place to store the double value obtained from objPtr<\/i>.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

______________________________________________________________________________<\/p>\n

DESCRIPTION <\/a> <\/h2>\n

These procedures are used to create, modify, and read Tcl values that hold double-precision floating-point values.<\/p>\n

Tcl_NewDoubleObj<\/b> creates and returns a new Tcl value initialized to the double value doubleValue<\/i>. The returned Tcl value is unshared.<\/p>\n

Tcl_SetDoubleObj<\/b> sets the value of an existing Tcl value pointed to by objPtr<\/i> to the double value doubleValue<\/i>. The objPtr<\/i> argument must point to an unshared Tcl value. Any attempt to set the value of a shared Tcl value violates Tcl\u2019s copy-on-write policy. Any existing string representation or internal representation in the unshared Tcl value will be freed as a consequence of setting the new value.<\/p>\n

Tcl_GetDoubleFromObj<\/b> attempts to retrieve a double value from the Tcl value objPtr<\/i>. If the attempt succeeds, then TCL_OK<\/b> is returned, and the double value is written to the storage pointed to by doublePtr<\/i>. If the attempt fails, then TCL_ERROR<\/b> is returned, and if interp<\/i> is non-NULL, an error message is left in interp<\/i>. The Tcl_ObjType<\/b> of objPtr<\/i> may be changed to make subsequent calls to Tcl_GetDoubleFromObj<\/b> more efficient.<\/p>\n

SEE ALSO <\/a> <\/h2>\n

Tcl_NewObj, Tcl_DecrRefCount, Tcl_IncrRefCount, Tcl_GetObjResult<\/p>\n

KEYWORDS <\/a> <\/h2>\n

double, double value, double type, internal representation, value, value type, string representation<\/p>\n

\n","protected":false},"excerpt":{"rendered":"

Tcl_NewDoubleObj, Tcl_SetDoubleObj, Tcl_GetDoubleFromObj \u2212 manipulate Tcl values as floating-point values <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2536],"tags":[2538,3007,3144],"class_list":["post-6773","post","type-post","status-publish","format-standard","hentry","category-3-llamadas-de-bibliotecas","tag-2538","tag-man3","tag-tcl_setdoubleobj"],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/6773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/comments?post=6773"}],"version-history":[{"count":0,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/6773\/revisions"}],"wp:attachment":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/media?parent=6773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/categories?post=6773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/tags?post=6773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}