diff options
| author | mbkma <[email protected]> | 2020-03-05 13:06:45 +0100 |
|---|---|---|
| committer | raveit65 <[email protected]> | 2020-03-08 21:40:41 +0100 |
| commit | b0117b1d5ae73916c6f0d289be1f693bb5f46824 (patch) | |
| tree | 4751c73751ed9951ae5a1c5b93f04c84593c6974 /src/financial.c | |
| parent | 91962719d06ce16d8bc3523872b83fae4d151e10 (diff) | |
| download | mate-calc-b0117b1d5ae73916c6f0d289be1f693bb5f46824.tar.bz2 mate-calc-b0117b1d5ae73916c6f0d289be1f693bb5f46824.tar.xz | |
Port to GNU MPFR/MPC Library
For further information please visit:
https://www.mpfr.org/
http://www.multiprecision.org/mpc
Diffstat (limited to 'src/financial.c')
| -rw-r--r-- | src/financial.c | 68 |
1 files changed, 56 insertions, 12 deletions
diff --git a/src/financial.c b/src/financial.c index fa0e33d..9552cc1 100644 --- a/src/financial.c +++ b/src/financial.c @@ -24,13 +24,18 @@ calc_ctrm(MathEquation *equation, MPNumber *t, MPNumber *pint, MPNumber *fv, MPN * * RESULT = log(fv / pv) / log(1 + pint) */ - MPNumber MP1, MP2, MP3, MP4; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); + MPNumber MP3 = mp_new(); + MPNumber MP4 = mp_new(); mp_divide(fv, pv, &MP1); mp_ln(&MP1, &MP2); mp_add_integer(pint, 1, &MP3); mp_ln(&MP3, &MP4); mp_divide(&MP2, &MP4, t); + + mp_clear(&MP1); mp_clear(&MP2); mp_clear(&MP3); mp_clear(&MP4); } @@ -54,10 +59,12 @@ calc_ddb(MathEquation *equation, MPNumber *t, MPNumber *cost, MPNumber *life, MP int i; int len; - MPNumber MPbv, MP1, MP2; + MPNumber MPbv = mp_new(); + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); mp_set_from_integer(0, &MPbv); - len = mp_cast_to_int(period); + len = mp_to_integer(period); for (i = 0; i < len; i++) { mp_subtract(cost, &MPbv, &MP1); mp_multiply_integer(&MP1, 2, &MP2); @@ -70,6 +77,8 @@ calc_ddb(MathEquation *equation, MPNumber *t, MPNumber *cost, MPNumber *life, MP math_equation_set_status (equation, _("Error: the number of periods must be positive")); mp_set_from_integer(0, t); } + + mp_clear(&MPbv); mp_clear(&MP1); mp_clear(&MP2); } @@ -84,13 +93,18 @@ calc_fv(MathEquation *equation, MPNumber *t, MPNumber *pmt, MPNumber *pint, MPNu * RESULT = pmt * (pow(1 + pint, n) - 1) / pint */ - MPNumber MP1, MP2, MP3, MP4; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); + MPNumber MP3 = mp_new(); + MPNumber MP4 = mp_new(); mp_add_integer(pint, 1, &MP1); mp_xpowy(&MP1, n, &MP2); mp_add_integer(&MP2, -1, &MP3); mp_multiply(pmt, &MP3, &MP4); mp_divide(&MP4, pint, t); + + mp_clear(&MP1); mp_clear(&MP2); mp_clear(&MP3); mp_clear(&MP4); } @@ -104,11 +118,14 @@ calc_gpm(MathEquation *equation, MPNumber *t, MPNumber *cost, MPNumber *margin) * RESULT = cost / (1 - margin) */ - MPNumber MP1, MP2; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); mp_set_from_integer(1, &MP1); mp_subtract(&MP1, margin, &MP2); mp_divide(cost, &MP2, t); + + mp_clear(&MP1); mp_clear(&MP2); } @@ -123,7 +140,10 @@ calc_pmt(MathEquation *equation, MPNumber *t, MPNumber *prin, MPNumber *pint, MP * RESULT = prin * (pint / (1 - pow(pint + 1, -1 * n))) */ - MPNumber MP1, MP2, MP3, MP4; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); + MPNumber MP3 = mp_new(); + MPNumber MP4 = mp_new(); mp_add_integer(pint, 1, &MP1); mp_multiply_integer(n, -1, &MP2); @@ -132,6 +152,8 @@ calc_pmt(MathEquation *equation, MPNumber *t, MPNumber *prin, MPNumber *pint, MP mp_add_integer(&MP4, 1, &MP1); mp_divide(pint, &MP1, &MP2); mp_multiply(prin, &MP2, t); + + mp_clear(&MP1); mp_clear(&MP2); mp_clear(&MP3); mp_clear(&MP4); } @@ -146,7 +168,10 @@ calc_pv(MathEquation *equation, MPNumber *t, MPNumber *pmt, MPNumber *pint, MPNu * RESULT = pmt * (1 - pow(1 + pint, -1 * n)) / pint */ - MPNumber MP1, MP2, MP3, MP4; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); + MPNumber MP3 = mp_new(); + MPNumber MP4 = mp_new(); mp_add_integer(pint, 1, &MP1); mp_multiply_integer(n, -1, &MP2); @@ -155,6 +180,8 @@ calc_pv(MathEquation *equation, MPNumber *t, MPNumber *pmt, MPNumber *pint, MPNu mp_add_integer(&MP4, 1, &MP1); mp_divide(&MP1, pint, &MP2); mp_multiply(pmt, &MP2, t); + + mp_clear(&MP1); mp_clear(&MP2); mp_clear(&MP3); mp_clear(&MP4); } @@ -169,13 +196,18 @@ calc_rate(MathEquation *equation, MPNumber *t, MPNumber *fv, MPNumber *pv, MPNum * RESULT = pow(fv / pv, 1 / n) - 1 */ - MPNumber MP1, MP2, MP3, MP4; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); + MPNumber MP3 = mp_new(); + MPNumber MP4 = mp_new(); mp_divide(fv, pv, &MP1); mp_set_from_integer(1, &MP2); mp_divide(&MP2, n, &MP3); mp_xpowy(&MP1, &MP3, &MP4); mp_add_integer(&MP4, -1, t); + + mp_clear(&MP1); mp_clear(&MP2); mp_clear(&MP3); mp_clear(&MP4); } @@ -190,9 +222,10 @@ calc_sln(MathEquation *equation, MPNumber *t, MPNumber *cost, MPNumber *salvage, * RESULT = (cost - salvage) / life */ - MPNumber MP1; + MPNumber MP1 = mp_new(); mp_subtract(cost, salvage, &MP1); mp_divide(&MP1, life, t); + mp_clear(&MP1); } @@ -209,7 +242,10 @@ calc_syd(MathEquation *equation, MPNumber *t, MPNumber *cost, MPNumber *salvage, * (life * (life + 1)) / 2 */ - MPNumber MP1, MP2, MP3, MP4; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); + MPNumber MP3 = mp_new(); + MPNumber MP4 = mp_new(); mp_subtract(life, period, &MP2); mp_add_integer(&MP2, 1, &MP3); @@ -220,6 +256,8 @@ calc_syd(MathEquation *equation, MPNumber *t, MPNumber *cost, MPNumber *salvage, mp_divide(&MP3, &MP1, &MP2); mp_subtract(cost, salvage, &MP1); mp_multiply(&MP1, &MP2, t); + + mp_clear(&MP1); mp_clear(&MP2); mp_clear(&MP3); mp_clear(&MP4); } @@ -234,7 +272,10 @@ calc_term(MathEquation *equation, MPNumber *t, MPNumber *pmt, MPNumber *fv, MPNu * RESULT = log(1 + (fv * pint / pmt)) / log(1 + pint) */ - MPNumber MP1, MP2, MP3, MP4; + MPNumber MP1 = mp_new(); + MPNumber MP2 = mp_new(); + MPNumber MP3 = mp_new(); + MPNumber MP4 = mp_new(); mp_add_integer(pint, 1, &MP1); mp_ln(&MP1, &MP2); @@ -243,13 +284,15 @@ calc_term(MathEquation *equation, MPNumber *t, MPNumber *pmt, MPNumber *fv, MPNu mp_add_integer(&MP3, 1, &MP4); mp_ln(&MP4, &MP1); mp_divide(&MP1, &MP2, t); + + mp_clear(&MP1); mp_clear(&MP2); mp_clear(&MP3); mp_clear(&MP4); } void do_finc_expression(MathEquation *equation, int function, MPNumber *arg1, MPNumber *arg2, MPNumber *arg3, MPNumber *arg4) { - MPNumber result; + MPNumber result = mp_new(); switch (function) { case FINC_CTRM_DIALOG: calc_ctrm(equation, &result, arg1, arg2, arg3); @@ -283,4 +326,5 @@ do_finc_expression(MathEquation *equation, int function, MPNumber *arg1, MPNumbe break; } math_equation_set_number(equation, &result); + mp_clear(&result); } |