Tcl Source Code

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Overview
Comment:Merge 8.6
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | core-8-branch
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SHA3-256: acb2aadd83f6a73cc8e510087cba0d99e3ce10305cb2ad669a88ca5d3ea48062
User & Date: jan.nijtmans 2019-06-15 22:33:10.854
Context
2019-06-16
09:42
TIP 521: Float classification functions check-in: d465e9717d user: dkf tags: core-8-branch
2019-06-15
22:33
Merge 8.6 check-in: acb2aadd83 user: jan.nijtmans tags: core-8-branch
22:31
Merge 8.5 check-in: 7a96d24542 user: jan.nijtmans tags: core-8-6-branch
17:49
TIP 461: text comparison operators for [expr] check-in: 7b13a290cc user: dkf tags: core-8-branch
Changes
Unified Diff Ignore Whitespace Patch
Changes to generic/tclStrToD.c.
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    /*
     * b = bw * 2**b2 * 5**b5
     * mminus = 5**m5
     */

    TclInitBignumFromWideUInt(&b, bw);
    mp_init_set_int(&mminus, 1);
    MulPow5(&b, b5, &b);
    mp_mul_2d(&b, b2, &b);

    /*
     * Adjust if the logarithm was guessed wrong.
     */








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    /*
     * b = bw * 2**b2 * 5**b5
     * mminus = 5**m5
     */

    TclInitBignumFromWideUInt(&b, bw);
    mp_init_set(&mminus, 1);
    MulPow5(&b, b5, &b);
    mp_mul_2d(&b, b2, &b);

    /*
     * Adjust if the logarithm was guessed wrong.
     */

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    /*
     * b = bw * 2**b2 * 5**b5
     * S = 2**s2 * 5*s5
     */

    TclInitBignumFromWideUInt(&b, bw);
    mp_mul_2d(&b, b2, &b);
    mp_init_set_int(&S, 1);
    MulPow5(&S, s5, &S); mp_mul_2d(&S, s2, &S);

    /*
     * Handle the case where we guess the position of the decimal point wrong.
     */

    if (mp_cmp_mag(&b, &S) == MP_LT) {
	mp_mul_d(&b, 10, &b);
	minit = 10;
	ilim =ilim1;
	--k;
    }

    /*
     * mminus = 2**m2minus * 5**m5
     */

    mp_init_set_int(&mminus, minit);
    mp_mul_2d(&mminus, m2minus, &mminus);
    if (m2plus > m2minus) {
	mp_init_copy(&mplus, &mminus);
	mp_mul_2d(&mplus, m2plus-m2minus, &mplus);
    }

    /*







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    /*
     * b = bw * 2**b2 * 5**b5
     * S = 2**s2 * 5*s5
     */

    TclInitBignumFromWideUInt(&b, bw);
    mp_mul_2d(&b, b2, &b);
    mp_init_set(&S, 1);
    MulPow5(&S, s5, &S); mp_mul_2d(&S, s2, &S);

    /*
     * Handle the case where we guess the position of the decimal point wrong.
     */

    if (mp_cmp_mag(&b, &S) == MP_LT) {
	mp_mul_d(&b, 10, &b);
	minit = 10;
	ilim =ilim1;
	--k;
    }

    /*
     * mminus = 2**m2minus * 5**m5
     */

    mp_init_set(&mminus, minit);
    mp_mul_2d(&mminus, m2minus, &mminus);
    if (m2plus > m2minus) {
	mp_init_copy(&mplus, &mminus);
	mp_mul_2d(&mplus, m2plus-m2minus, &mplus);
    }

    /*
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     * b = bw * 2**b2 * 5**b5
     * S = 2**s2 * 5*s5
     */

    mp_init_multi(&dig, NULL);
    TclInitBignumFromWideUInt(&b, bw);
    mp_mul_2d(&b, b2, &b);
    mp_init_set_int(&S, 1);
    MulPow5(&S, s5, &S); mp_mul_2d(&S, s2, &S);

    /*
     * Handle the case where we guess the position of the decimal point wrong.
     */

    if (mp_cmp_mag(&b, &S) == MP_LT) {







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     * b = bw * 2**b2 * 5**b5
     * S = 2**s2 * 5*s5
     */

    mp_init_multi(&dig, NULL);
    TclInitBignumFromWideUInt(&b, bw);
    mp_mul_2d(&b, b2, &b);
    mp_init_set(&S, 1);
    MulPow5(&S, s5, &S); mp_mul_2d(&S, s2, &S);

    /*
     * Handle the case where we guess the position of the decimal point wrong.
     */

    if (mp_cmp_mag(&b, &S) == MP_LT) {